Le Chatelier and Equilibrium

Le Chatelier and Equilibrium

11th Grade

25 Qs

quiz-placeholder

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Le Chatelier and Equilibrium

Le Chatelier and Equilibrium

Assessment

Quiz

Science

11th Grade

Practice Problem

Hard

NGSS
HS-PS1-5, HS-PS1-6

Standards-aligned

Created by

Lisa Thompson

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2SO2(g)+O2(g) ⇌ 2SO3(g) + Heat


Adding SO2(g) will

shift equilibrium right

shift equilibrium left

increase rate of reaction

have no change

Tags

NGSS.HS-PS1-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2SO2(g) + O2(g) ⇌ 2SO3(g) + Heat


Removing O2(g) will

shift equilibrium right

shift equilibrium left

increase pressure

have no change

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What happens to the equilibrium if we add methane (CH4)?

It shifts left, towards the reactants

It shifts right, towards the products

It does not shift

Tags

NGSS.HS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What happens to the equilibrium if we remove water (H2O)?

It shifts left, towards the reactants

It shifts right, towards the products

It does not shift

Tags

NGSS.HS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does Le Chatelier's Principle state about a system at equilibrium when it is subjected to a change in concentration, temperature, or pressure?

The system will shift in the direction that increases the change.

The system will remain unchanged.

The system will shift in the direction that opposes the change.

The system will shift in random directions until a new equilibrium is established.

Tags

NGSS.HS-PS1-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following statements is TRUE regarding the effect of pressure on the equilibrium of a gaseous reaction?

Increasing pressure always shifts the equilibrium to the side with more gas molecules

Decreasing pressure always shifts the equilibrium to the side with fewer gas molecules

Increasing pressure shifts the equilibrium to the side with fewer gas molecules

Pressure has no effect on the equilibrium of a gaseous reaction

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT true at equilibrium?

The forward and reverse reactions proceed at the same rate.

The concentrations of reactants and products do not change.

The concentration of the reactants is equal to the concentration of the products.

The forward and reverse reactions continue to occur.

Tags

NGSS.HS-PS1-6

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