Question

Select all of the correct statements about reaction quotients and equilibrium constants from the choices below....

Select all of the correct statements about reaction quotients and equilibrium constants from the choices below.

1) A reaction quotient equals the equilibrium constant at equilibrium.

2) As a reaction progresses forward toward equilibrium K rises until it reaches Q.

3) As a reaction progresses backwards toward equilibrium K is the lowest value Q attains.

4) If Q = K the reaction is already at equilibrium.

5) As concentrations change Q changes, whereas K stays constant.

6) If Q > K the reaction must progress backward to attain equilibrium.

Homework Answers

Answer #1

correct answers :   note : all answers are correct

1) A reaction quotient equals the equilibrium constant at equilibrium.

2) As a reaction progresses forward toward equilibrium K rises until it reaches Q.

3) As a reaction progresses backwards toward equilibrium K is the lowest value Q attains

4) If Q = K the reaction is already at equilibrium.

5) As concentrations change Q changes, whereas K stays constant.

6) If Q > K the reaction must progress backward to attain equilibrium

explanation:   this relation is used to solve this problem

Q > K → system will shift left (to reactant side) to reach equilibrium
(reactants ↑ and products ↓ ⇒ Q ↓ and approaches K)
Q < K → system will shift right (to product side) to reach equilibrium
(reactants ↓ and products ↑ ⇒ Q ↑ and approaches K)
Q = K → at equilibrium (no shift)

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