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Reactions and Equilibrium Review

Reactions and Equilibrium Review

Assessment

Flashcard

Chemistry

10th - 11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is equilibrium in a chemical reaction?

Back

Equilibrium is the state in a reversible reaction where the rates of the forward and reverse reactions are equal, resulting in stable concentrations of reactants and products.

2.

FLASHCARD QUESTION

Front

What does it mean when a reaction is at equilibrium?

Back

It means that the concentrations of reactants and products remain constant over time, although both the forward and reverse reactions continue to occur.

3.

FLASHCARD QUESTION

Front

What is the effect of pressure changes on gaseous reactions?

Back

Changes in pressure will only affect substances that are in the gaseous state, as solids and liquids are incompressible.

4.

FLASHCARD QUESTION

Front

What happens to equilibrium when the concentration of a reactant is increased?

Back

The equilibrium shifts to the right, favoring the formation of products.

5.

FLASHCARD QUESTION

Front

What is activation energy?

Back

Activation energy is the minimum energy required for a chemical reaction to occur.

6.

FLASHCARD QUESTION

Front

How does cooling a system affect a reversible reaction?

Back

When the system is cooled, the reaction shifts to the right, towards the products, to produce heat.

7.

FLASHCARD QUESTION

Front

What is the equilibrium constant (K)?

Back

The equilibrium constant (K) is a numerical value that expresses the ratio of the concentrations of products to reactants at equilibrium.

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