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Le Chatelier's Principle Quiz

Authored by Ashleigh Shields

Chemistry

11th Grade

Used 1+ times

Le Chatelier's Principle Quiz
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12 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 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

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

For the reaction...
SO2(g) + O2(g) <−>  SO3(g)
If the concentration of 
SO2(g)  is increased, the equilibrium of the reaction will ___________.

shift to the left
shift to the right
not shift

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A +  B <--> C + D   ΔH= 151kJ
Rewrite the above equation with energy as a reactant or product:

A +  B <--> C + D + energy
A +  B + energy <--> C + D 

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

For the reaction...
heat  +  N2(g)  +  O2(g)  <−>  2NO(g)
If the heat is removed to the chemical system, the equilibrium will _______.

shift to the left
shift to the right
not shift

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

For the reaction...
N2 (g) +  3 H2 (g) <−> 2 NH3 (g)

If the pressure in the system is increased, the reaction will __________________.

 shift to the left
shift to the right
not shift

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

When  ΔH  is negative it represents a(n)

exothermic reaction 
endothermic reaction 

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

  A(g) + B(aq) <> C(s) 
 ΔHrxn= -453 kJ/mol
If the [B] is decreased then the reaction is will shift to the _______. 

Left
Right
Stays the same 
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