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Le Chatelier's Principle and Solubility

Authored by Andrew Baldwin

Chemistry

10th - 12th Grade

Used 5+ times

Le Chatelier's Principle and Solubility
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

At what time (in seconds) is equilibrium established?

0 seconds
1 second
5 seconds
10 seconds

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

For the reaction...
energy +  N2(g)  +  O2(g)  <−>  2NO(g)
If  O2(g) is removed, the  concentration of N2 will _______.

increase
decrease
remain the same
double

3.

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

4.

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 

5.

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

6.

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

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Given: 2A(g) <-> 2B(g) + C(g). At a particular temperature, K = 1.6x104.
Raising the pressure by lowering the volume of the container will...

cause [A] to increase
cause [B] to increase
have no effect
cannot be determined

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