Le Chatelier's

Le Chatelier's

10th - 12th Grade

25 Qs

quiz-placeholder

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Le Chatelier's

Le Chatelier's

Assessment

Quiz

Chemistry

10th - 12th Grade

Hard

NGSS
HS-PS1-5, HS-PS1-6, HS-PS1-4

Standards-aligned

Created by

Charles Martinez

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An equilibrium constant with a large magnitude indicates…
A very fast reaction
More products at equilibrium
More reactants at equilibrium
nothing, without considering the stoichiometry of the reaction

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why is equilibrium called a dynamic state?
Chemists try to convert as much reactants as possible into products.
The reactions at equilibrium continue to take place once equilibrium is established.
The products of a forward reaction are favored, so equilibrium lies to the right.
All chemical reactions are considered to be reversible under suitable conditions.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
At what time (in seconds) is equilibrium established?
0 seconds
1 second
5 seconds
10 seconds

4.

MULTIPLE CHOICE QUESTION

20 sec • 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

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When writing an endothermic reaction, heat energy is stated as
product
catalyst
reactant

Tags

NGSS.HS-PS1-4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An exothermic reaction is allowed to reach equilibrium. If heat energy is then removed, the equilibrium will shift
toward the middle
toward the reactant side
toward the product side

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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