Le Chatelier's Principle
Authored by Badrinath Dhakal
Chemistry
University
NGSS covered
Used 14+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following factors does NOT affect the position of equilibrium in a chemical reaction?
Temperature
Pressure
Catalyst
Concentration
Tags
NGSS.HS-PS1-6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the concentration of a reactant is increased in a system at equilibrium, what will happen according to Le Chatelier's principle?
The equilibrium will shift to the right.
The equilibrium will shift to the left.
The equilibrium will remain unchanged.
The reaction will stop.
Tags
NGSS.HS-PS1-6
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Shift to the right
Shift to the left
No change
Reaction stops
Tags
NGSS.HS-PS1-6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain why increasing the temperature of an exothermic reaction shifts the equilibrium to the left.
Because it increases the concentration of reactants.
Because it decreases the concentration of products.
Because it favors the endothermic reverse reaction.
Because it increases the rate of the forward reaction.
Tags
NGSS.HS-PS1-6
NGSS.HS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The equilibrium will shift to the right.
The equilibrium will shift to the left.
The equilibrium will remain unchanged.
The reaction will stop.
Tags
NGSS.HS-PS1-6
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tags
NGSS.HS-PS1-6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe how a catalyst affects the rate of a reaction and the position of equilibrium.
Increases the rate of reaction and shifts equilibrium to the right.
Increases the rate of reaction but does not affect the position of equilibrium.
Decreases the rate of reaction and shifts equilibrium to the left.
Decreases the rate of reaction but does not affect the position of equilibrium.
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