AP Chemistry Flashcards: Calculating Equilibrium Concentrations

Study Calculating Equilibrium Concentrations in AP Chemistry with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

For the reaction $CH_4(g) + 2O_2(g) \rightleftharpoons CO_2(g) + 2H_2O(g)$ , write the $K_c$ expression.

Tap card or press Space to flip

ANSWER

$K_c = \frac{[CO_2][H_2O]^2}{[CH_4][O_2]^2}$ . Products over reactants, each raised to their stoichiometric coefficients.

1 / 109

AP Chemistry: Equilibrium

You are hereCalculating Equilibrium Concentrations109 cards

Calculating the Equilibrium Constant40 cards

Common-Ion Effect37 cards

Direction of Reversible Reactions38 cards

Introduction to Equilibrium39 cards

Introduction to Le Chatelier's Principle88 cards

Introduction to Solubility Equilibria28 cards

Magnitude of the Equilibrium Constant52 cards

Properties of the Equilibrium Constant40 cards

Reaction Quotient and Equilibrium Constant40 cards

Reaction Quotient and Le Chatelier's Principle39 cards

All flashcards

109 cards

What this deck covers

This deck focuses on Calculating Equilibrium Concentrations, giving you a quick way to review the definitions, rules, and examples that matter most for AP Chemistry.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 42Practice questions for this set

At 427°C,

K_c = 55.3

for

\text{H}_2(g) + \text{Br}_2(g) \rightleftharpoons 2\text{HBr}(g)

. If the initial concentrations are

[\text{H}_2] = 0.200 \text{ M}

[\text{Br}_2] = 0.100 \text{ M}

, and

[\text{HBr}] = 0.300 \text{ M}

, what is the equilibrium concentration of

\text{Br}_2

Choose an answer

Keep your progress across every deck

Free account · cards you mark are saved to it