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CP - U16 Review - Equilibrium

Authored by Annmarie Heaps

Chemistry

9th - 12th Grade

NGSS covered

Used 6+ times

CP - U16 Review - Equilibrium
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25 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the equilibrium-constant expression for 
CO2(g) + H2(g) ↔ CO(g) + H2O(l)

Kc= [CO][H2O] / [CO2][H2]  
Kc= [CO2][H2] / [CO]
Kc= [CO2][H2] / [CO][H2O]
Kc= [CO] / [CO2][H2]  

Tags

NGSS.HS-PS1-6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This symbol indicates that a reaction is ____________

reversible
irreversible

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When the rate of the forward reaction is equal to the rate of backward reaction, the system is said to be in

Chemical Equilibrium
Chemical Balance
Stoichiometry
Chemical Reaction

Tags

NGSS.HS-PS1-6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

For the reaction...

SO2 + O2 ⇌ SO3

If the concentration of SO2 is increased, the equilibrium of the reaction will shift ___________.

left

right

left and right

neither left nor right

Tags

NGSS.HS-PS1-5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2SO2(g)+O2(g)⇌2SO3(g)
Removing O2(g) will

shift equilibrium right
shift equilibrium left
increase pressure
have no change

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the Keq expression for this reaction?

2 NO(g) + O2(g) ⇌ 2 NO2(g)

Keq = [NO2]2 / [NO]2 [O2]

Keq = [NO]2 [O2] / [NO2]2

Keq = [NO]2 [O2] [NO2]2

Keq = [NO2]2 / [NO]2 + [O2]

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes an effective collision?

When molecules collide.
When molecules collide with the proper orientation.
When molecules collide with proper orientation and enough kinetic energy.
High Temperature.

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