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Equilibrium

Total questions: 34

Worksheet time: 21mins

Name
Class
Date
1.

If the reaction is ENDOTHERMIC, heat is on the reactant side.

a)

True

b)

False

2.

How many moles of GAS are on the PRODUCT side?

N2(g) + 3 H2(g) ⇄ 2 NH3(g)

a)

4

b)

2

c)

1

3.

How will equilibrium shift when NO is added?

2 NO(g) + O2(g) ⇄ 2 NO2(g)

a)

Shift Left

b)

Shift Right

c)

No Change

4.

How will equilibrium shift when Br2 is added?

2 NO(g) + Br2(g) ⇄ 2 NOBr(g)

a)

Shift Left

b)

Shift Right

c)

No Change

5.

How does equilibrium shift when SO3 is removed?

2 SO2(g) + 2 O2(g) ⇄ 2 SO3(g)

a)

Shift Left

b)

Shift Right

c)

No Change

6.

How will equilibrium shift when volume is decreased?

H2(g) + Cl2(g) ⇄ 2 HCl(g)

a)

Shift Left

b)

Shift Right

c)

No Change

7.

If the reaction is EXOTHERMIC, heat is being absorbed or put into the system.

a)

True

b)

False

8.

How will equilibrium shift if pressure is decreased?

N2(g) + 3 H2(g) ⇄ 2 NH3(g)

a)

Shift Left

b)

Shift Right

c)

No Change

9.

How will equilibrium shift when heat is added?

2 NO2(g) + HEAT ⇄ N2O4(g)

a)

Shift Left

b)

Shift Right

c)

No Change

10.

How will equilibrium shift when heat is removed?

H2(g) + I2(g) ⇄ 2 HI(g) + HEAT

a)

Shift Left

b)

Shift Right

c)

No Change

11.

How will equilibrium shift when HBr is removed?

2 HBr(g) ⇄ H2(g) + Br2(g)

a)

Shift Left

b)

Shift Right

c)

No Change

12.

For the reaction N2(g) + 3H2(g) <--> 2NH3(g) + 92 kJ;

what happens to the concentration of N2 when heating up the chamber this takes place in?

a)

concentration of nitrogen increases

b)

concentration of nitrogen decreases

c)

concentration of nitrogen stays the same

13.

For the reaction N2(g) + 3H2(g) <--> 2NH3(g) + 92 kJ;

what happens to the equilibrium position by adding a catalyst to this reaction?

a)

Shifts to the left (reactants)

b)

Shifts to the right (products)

c)

No effect

14.

Given the reaction: N2(g)+O2(g)+182.6kJ    2NO(g)N_{2\left(g\right)}+O_{2\left(g\right)}+182.6kJ\ \ ↔\ \ 2NO_{\left(g\right)}  
Which change would cause an immediate increase in the rate of the forward reaction (i.e., cause shift toward products)?

a)

increasing the concentration of NO(g)

b)

increasing the concentration of N2(g)

c)

decreasing the reaction temperature

d)

decreasing the reaction pressure

15.
Which of the two graphs reaches equilibrium?
a)
The left one.
b)
The right one.
c)
Both of them.
d)
Neither.
16.

For the reaction...

H2 (g) + Cl2 (g) <=> 2HCl (g) + heat

If the pressure in the system is increased, the equilibrium position will _______.

a)

shift to the left

b)

shift to the right

c)

not shift position at

17.

HEAT + H2CO3 --> CO2 + H2O

If the temperature is decreased, this reaction will shift...

a)

right

b)

left

c)

no change

18.

HEAT + H2CO3 --> CO2 + H2O

If heat is added, this reaction will shift...

a)

right

b)

left

c)

no change

19.

HEAT + H2CO3 --> CO2 + H2O

If carbonic acid is added, this reaction will shift...

a)

right

b)

left

c)

no change

20.

HEAT + H2CO3 --> CO2 + H2O

If carbon dioxide is added, this reaction will shift...

a)

right

b)

left

c)

no change

21.

HEAT + H2CO3 --> CO2 + H2O

If water is added, this reaction will shift...

a)

right

b)

left

c)

no change

22.

HEAT + H2CO3 --> CO2 + H2O

If water is decreased, this reaction will shift...

a)

right

b)

left

c)

no change

23.

HEAT + H2CO3 --> CO2 + H2O

If carbon dioxide is removed, this reaction will shift...

a)

right

b)

left

c)

no change

24.

HEAT + H2CO3 --> CO2 + H2O

If carbonic acid is removed, this reaction will shift...

a)

right

b)

left

c)

no change

25.

HEAT + H2CO3 --> CO2 + H2O

If the temperature is decreased, this reaction will shift...

a)

right

b)

left

c)

no change

26.

N2 (g) + 3H2 (g) <--> 2NH3 (g) + heat

if the products are increased, the reaction will shift...

a)

left

b)

right

c)

no change

27.

N2 (g) + 3H2 (g) <--> 2NH3 (g) + heat

If ammonia is increased, the reaction will shift...

a)

left

b)

right

c)

no change

28.

N2 (g) + 3H2 (g) <--> 2NH3 (g) + heat

If the temperature rises, the reaction will shift...

a)

left

b)

right

c)

no change

29.

N2 (g) + 3H2 (g) <--> 2NH3 (g) + heat

If ammonia is removed, the reaction will shift...

a)

left

b)

right

c)

no change

30.

N2 (g) + 3H2 (g) <--> 2NH3 (g) + heat

If the temperature is lowered, the reaction will shift...

a)

left

b)

right

c)

no change

31.

N2 (g) + 3H2 (g) <--> 2NH3 (g) + heat

If nitrogen gas is removed, the reaction will shift...

a)

left

b)

right

c)

no change

32.

N2 (g) + 3H2 (g) <--> 2NH3 (g) + heat

If hydrogen gas is increased, the reaction will shift...

a)

left

b)

right

c)

no change

33.

N2 (g) + 3H2 (g) <--> 2NH3 (g) + heat

If the pressure is increased, the reaction will shift...

a)

left

b)

right

c)

no change

34.

N2 (g) + 3H2 (g) <--> 2NH3 (g) + heat

If reactants and products are both increased, the reaction will shift...

a)

left

b)

right

c)

no change