Energy in Chemical Reactions - Middle School Physical Science
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According to the law of conservation of mass, if you start a chemical reaction with 50g of a substance, and 25g of another, you should end the reaction with: (assume this is a closed system)
According to the law of conservation of mass, if you start a chemical reaction with 50g of a substance, and 25g of another, you should end the reaction with: (assume this is a closed system)
The answer is "75 grams of whatever new substances are created."
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.
Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
The answer is "75 grams of whatever new substances are created."
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.
Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
Compare your answer with the correct one above
In the chemical equation for Carbonic Acid, you begin with the reactants carbon dioxide and water. (CO2 + H2O) How many atoms of Oxygen would you expect to find in the symbol for carbonic acid?
In the chemical equation for Carbonic Acid, you begin with the reactants carbon dioxide and water. (CO2 + H2O) How many atoms of Oxygen would you expect to find in the symbol for carbonic acid?
The answer is "3 atoms of Oxygen."
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.
Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
The answer is "3 atoms of Oxygen."
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.
Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
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The image above shows the reactants in a chemical equation. How many Oxygen atoms would you expect on the other side of this equation?
The image above shows the reactants in a chemical equation. How many Oxygen atoms would you expect on the other side of this equation?
There will be 10 Oxygen atoms in the products because there are 5 molecules of Oxygen, each with 2 bonded atoms.
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.
Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
There will be 10 Oxygen atoms in the products because there are 5 molecules of Oxygen, each with 2 bonded atoms.
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.
Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
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The equation above shows a complete chemical reaction. How does this equation violate the law of conservation of mass?
The equation above shows a complete chemical reaction. How does this equation violate the law of conservation of mass?
This equation does not violate the law of conservation of mass because there are equal numbers of atoms of each kind on each side.
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.
Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
This equation does not violate the law of conservation of mass because there are equal numbers of atoms of each kind on each side.
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.
Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
Compare your answer with the correct one above
A student puts 26.4 grams of baking soda in a balloon and ties it over the top of the bottle containing 50 grams of vinegar. After 40 minutes passes, there is only 60 grams of liquid and baking soda at the bottom of the bottle but the balloon is blown up. What is the best explanation for this?
A student puts 26.4 grams of baking soda in a balloon and ties it over the top of the bottle containing 50 grams of vinegar. After 40 minutes passes, there is only 60 grams of liquid and baking soda at the bottom of the bottle but the balloon is blown up. What is the best explanation for this?
The answer is "a chemical reaction occurred and some of the atoms were rearranged to form new substances which filled the balloon with gas."
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.
Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
The answer is "a chemical reaction occurred and some of the atoms were rearranged to form new substances which filled the balloon with gas."
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change.
Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
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You are boiling water on a stove. The water evaporates into the air. Is this an example of a closed or an open system?
You are boiling water on a stove. The water evaporates into the air. Is this an example of a closed or an open system?
This is an example of an open system because the water inside the pot is being introduced to the environment.
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change. Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
This is an example of an open system because the water inside the pot is being introduced to the environment.
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change. Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
Compare your answer with the correct one above
Is the chemical equation above an example of a closed or open system?
Is the chemical equation above an example of a closed or open system?
The answer is "a closed system because mass is conserved"
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change. Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
The answer is "a closed system because mass is conserved"
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change. Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
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In the following equation, what is the missing product?
Zn + 2HCl --> ZnCl2 +
In the following equation, what is the missing product?
Zn + 2HCl --> ZnCl2 +
The answer is H2 because there are 2 Hydrogen atoms from the reactant side that are unaccounted for in the products.
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change. Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
The answer is H2 because there are 2 Hydrogen atoms from the reactant side that are unaccounted for in the products.
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change. Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
Compare your answer with the correct one above
What reactant is missing from the beginning of the equation below?
+ 24F2 --> 8SF6
What reactant is missing from the beginning of the equation below?
+ 24F2 --> 8SF6
The answer is S8.
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change. Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
The answer is S8.
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change. Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
Compare your answer with the correct one above
What coefficient is needed in the blank before "C2H6" to balance the chemical equation below?
C2H6 + 7O2 ---> 4CO2 + 6H2O
What coefficient is needed in the blank before "C2H6" to balance the chemical equation below?
C2H6 + 7O2 ---> 4CO2 + 6H2O
The answer is "2."
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change. Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
The answer is "2."
The law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. Thus, the amount of matter cannot change. Because mass is always conserved in chemical reactions, balanced chemical equations have the same number and type of each atom on both sides of the equation. Products in chemical reactions are the result of the same number of atoms being rearranged into new substances.
The law of conservation of mass only applies in “closed systems” meaning that the mass and energy is not able to escape to the environment. For example, if you are boiling water on the stove and you put a lid on your pot, the water vapor will collect inside the pot. This is a closed system, and the amount of mass will not change, though it will be converted from liquid to gas. If you take the lid off your pot, the evaporated water will escape into your kitchen and the total amount of matter will change. You opened your system!
Compare your answer with the correct one above
Which of these is an example of conduction?
Which of these is an example of conduction?
The answer is "A spoon in a cup of hot soup gets warmer."
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
The answer is "A spoon in a cup of hot soup gets warmer."
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
Compare your answer with the correct one above
Which of these is an example of convection?
Which of these is an example of convection?
The answer is "Hot air balloons rise up"
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
The answer is "Hot air balloons rise up"
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
Compare your answer with the correct one above
Which of these is an example of radiation?
Which of these is an example of radiation?
The answer is "you feel warm around a fire."
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
The answer is "you feel warm around a fire."
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
Compare your answer with the correct one above
In conduction, heat energy always moves:
In conduction, heat energy always moves:
the answer is "from warmer objects to colder objects"
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
the answer is "from warmer objects to colder objects"
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
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At an atomic level, when an object is heated up:
At an atomic level, when an object is heated up:
The answer is "the kinetic energy of its particles increases."
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
The answer is "the kinetic energy of its particles increases."
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
Compare your answer with the correct one above
Which of these would require the most thermal energy to warm up?
Which of these would require the most thermal energy to warm up?
The answer is 100 kg of steel because more mass will require more energy to bring to a constant temperature.
The answer is 100 kg of steel because more mass will require more energy to bring to a constant temperature.
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Fill in the blank in the statement below:
If more hot water was added to a cup than cold water, the final temperature of the solution would be in comparison to a cup with equal parts cold and hot water.
Fill in the blank in the statement below:
If more hot water was added to a cup than cold water, the final temperature of the solution would be in comparison to a cup with equal parts cold and hot water.
The answer is greater than because the equilibrium temperature would be higher in the cup with more warm water.
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
The answer is greater than because the equilibrium temperature would be higher in the cup with more warm water.
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
Compare your answer with the correct one above
If a piece of iron is very hot, the average kinetic energy of the particles in the iron is:
If a piece of iron is very hot, the average kinetic energy of the particles in the iron is:
The answer is "high because the temperature is high."
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
The answer is "high because the temperature is high."
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
Compare your answer with the correct one above
You are doing an experiment where you pour different amounts of hot water into the 200mL of cold water and measure the final temperature. The purpose of a “control” in an experiment is to see what would happen if you did NOT do a test. If we are testing how the volume of warm water effects energy transfer, which cup is our control?
You are doing an experiment where you pour different amounts of hot water into the 200mL of cold water and measure the final temperature. The purpose of a “control” in an experiment is to see what would happen if you did NOT do a test. If we are testing how the volume of warm water effects energy transfer, which cup is our control?
The answer is 200 mL of cold water because no hot water was added, and the test was not performed.
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
The answer is 200 mL of cold water because no hot water was added, and the test was not performed.
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
Compare your answer with the correct one above
What is the relationship between kinetic energy and thermal energy?
What is the relationship between kinetic energy and thermal energy?
The answer is, "as thermal energy increases, kinetic energy of the particles increases."
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
The answer is, "as thermal energy increases, kinetic energy of the particles increases."
When heat energy is transferred to objects, the kinetic energy of the particles changes. Heat energy always moves towards equilibrium, meaning that hotter objects transfer their heat to colder objects, and at an atomic level kinetic energy is transferred from faster moving particles to slower moving particles.
There are three types of heat transfer, conduction, convection, and radiation.
Conduction: transfer of heat between two atoms that are touching
Radiation: transfer of heat by electromagnetic waves (light) where particles are not touching
Convection: transfer of heat by the movement of fluids (liquid or gas) where hot particles rise and cold particles sink
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