High School Chemistry : Help with Condensation and Vaporization
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Example Question #1 : Help With Condensation And Vaporization
Distillation requires which of the following?
Vaporization and condensation
Vaporization only
Condensation only
Neither vaporization nor condensation
Either vaporization or condensation
Vaporization and condensation
Distillation is the process by which liquids are purified of impurities. Distillation first requires vaporization of liquids to become pure gases. The gases are then cooled and turned back into pure liquids via condensation into a separate container. A good distillation will remove all impurities from the liquid. This is why distilled water is used for chemical solutions; it does not contain ions or other impurities that could interfere with reaction.
Example Question #2 : Help With Condensation And Vaporization
Which of the following occurs during vaporization?
Atoms become spaced further away from each other
Atoms disappear and are destroyed
Atoms become highly organized in patterns
Atoms get closer together and form a more rigid shape
Atoms become spaced further away from each other
Vaporization refers to the phase change from liquid to gas, also known as evaporation. When becoming a gas, atoms spread out and expand to fill whatever container they are in. Conservation of mass hold that atoms are never created nor destroyed. Atoms becoming more organized and forming a more rigid shape describes a phase change toward becoming solid.
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