Le Chatelier's Principle

Le Chatelier's Principle

12th Grade

25 Qs

quiz-placeholder

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Le Chatelier's Principle

Le Chatelier's Principle

Assessment

Quiz

Science

12th Grade

Hard

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

Standards-aligned

Created by

Lisa Thompson

FREE Resource

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

Increasing the pressure on the system will...

shift equilibrium right

shift equilibrium left

slow rate of reaction

have no change

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What would happen when H2O is added?

Position of equilibrium will shift to left (and become more blue)

Position of equilibrium will shift to right (and become more pink)

Keq will increase as H2O is added

Position of equilibrium will shift to left to reduce the added H2O

Tags

NGSS.HS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

When the pressure on the system is increased, the equilibrium position shifts to the right. Why?

To increase the amount of products

To reduce the pressure, as the right side has fewer molecules of gas

Keq will increase when it is shifted to the right

To increase the pressure, as the right side has more molecules of gas

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Le Chaltelier's Principle states that if a chemical system at equilibrium is stressed,

the system will adjust to increase the stress

the system will adjust to reduce the stress

the system will not adjust

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the effect of adding more reactant to a system at equilibrium?

It will shift the equilibrium towards the products.

It will shift the equilibrium towards the reactants.

It will not affect the equilibrium position.

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to Le Chatelier's Principle, if the concentration of a reactant is increased, the equilibrium of the reaction will:

Shift to the left, favoring the formation of reactants

Shift to the right, favoring the formation of products

Remain unchanged

Increase the overall reaction rate without shifting the equilibrium

Tags

NGSS.HS-PS1-5

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