Le Chatelier's Principle

Quiz
•
Science
•
12th Grade
•
Hard
Standards-aligned
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
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
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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