wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

le chatelier's conc & pressure only

Total questions: 12

Worksheet time: 18mins

Name
Class
Date
1.

3. In change in pressure and volume, if the pressure decreases the system will shift to the?

a)

location of more moles

b)

shift to the left

c)

no shift

2.

4. When a system at equilibrium is subject to change the system tries to minimize the change by?

a)

dissappearing

b)

going to the direction where it will relieve the stress

c)

expand

3.

7. When heat is released, what type of reaction takes place?

a)

Exothermic

b)

Osmosis

c)

Endothermic

4.

2SO2(g)+O2(g) ⇌ 2SO3(g) + Heat


Adding SO2(g) will

a)

shift equilibrium right

b)

shift equilibrium left

c)

increase rate of reaction

d)

have no change

5.

2SO2(g) + O2(g) ⇌ 2SO3(g) + Heat


Removing O2(g) will

a)

shift equilibrium right

b)

shift equilibrium left

c)

increase pressure

d)

have no change

6.

2SO2(g)+O2(g) ⇌ 2SO3(g) + Heat


Adding SO3(g) will

a)

shift equilibrium right

b)

shift equilibrium left

c)

increase K

d)

have no change

7.

2SO2(g)+1O2(g) ⇌ 2SO3(g) + Heat


Increasing the volume of the container will...

a)

shift equilibrium right

b)

shift equilibrium left

c)

slow rate of reaction

d)

have no change

8.

2SO2(g)+1O2(g) ⇌ 2SO3(g) + Heat


Increasing the pressure on the system will...

a)

shift equilibrium right

b)

shift equilibrium left

c)

slow rate of reaction

d)

have no change

9.

What happens to the equilibrium if we add hydrogen (H2)?

a)

It shifts left, towards the reactants

b)

It shifts right, towards the products

c)

It does not shift

10.
For the reaction...
N2 (g) +  3 H2 (g) <=> 2 NH3 (g)

If the pressure in the system is increased,  which substance(s) will increase in concentration?
a)
N (as 2 mol gas  → 4 mol gas)
b)
H2 (as 2 mol gas  → 4 mol gas)
c)
N2 and H(as 2 mol gas  → 4 mol gas)
d)
NH3 (as 4 mol gas  → 2 mol gas)
11.

CoCI42- +6H2O →Co(H2O)62+ + 4CI-


What will happen when CI- ions are added?

a)

Position of equilibrium will shift to left and become more pink

b)

Color of system will turn to all pink

c)

Concentration of reactants and products remain unchanged

d)

Position of equilibrium will shift to left to reduce the added CI- ions

12.

2CrO42- + 2H+ → Cr2O72- + H2O


What will happen when H+ ions are added to the system?

a)

Position of equilibrium will shift to left and become more yellow

b)

Color of system will turn all yellow

c)

Color of system will turn all orange

d)

Equilibrium will shift to right and become more orange