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Effect of Temperature on Equilibrium and Keq

Effect of Temperature on Equilibrium and Keq

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Easy

Created by

Saha Rahim

Used 2+ times

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What happens to the equilibrium position when heat is added to an exothermic reaction?

Back

The equilibrium shifts to the left.

2.

FLASHCARD QUESTION

Front

Why does the equilibrium shift to the left when heat is added to an exothermic reaction?

Back

The reaction tries to use up the added heat by making more reactants (H2 and Cl2), thus using up HCl and heat.

3.

FLASHCARD QUESTION

Front

What happens to the Keq value when heat is added to an exothermic reaction?

Back

The Keq value decreases.

4.

FLASHCARD QUESTION

Front

What is the Keq expression for the reaction H2(g) + Cl2(g) ⇌ 2HCl(g)?

Back

Keq = [HCl]^2 / ([H2] [Cl2])

5.

FLASHCARD QUESTION

Front

What happens to the equilibrium position when heat is added to an endothermic reaction?

Back

The equilibrium shifts to the right.

6.

FLASHCARD QUESTION

Front

Why does the equilibrium shift to the right when heat is added to an endothermic reaction?

Back

The reaction uses up the added heat by making more products (NO2) at the expense of reactants (N2O4).

7.

FLASHCARD QUESTION

Front

What happens to the Keq value when heat is added to an endothermic reaction?

Back

The Keq value increases.

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