Define chemical equilibrium.

The rate of a forward reaction is equal to the rate of the reverse reaction.

The concentration of the reactants is equal to the concentration of the products.

The reaction stops and no further change in concentration occurs.

Given the equation representing a chemical reaction at equilibrium in a sealed, rigid container: H 2 (g) + I 2 (g) + energy <--> 2HI(g) When the concentration of H 2 (g) is increased by adding more hydrogen gas to the container at constant temperature, the equilibrium shifts

to the right, and the concentration of HI(g) increases

to the right, and the concentration of HI(g) decreases

to the left, and the concentration of HI(g) decreases

2. In the Haber process, gaseous ammonia is produced on an industrial scale by combining nitrogen and hydrogen gases, according to this equation: N 2 (g) + 3H 2 (g) ↔ 2NH 3 (g) The process is exothermic. Which of the following actions will shift the reaction in the forward (product) direction?

Reduce ammonia concentration by removing ammonia from the reaction chamber.

Decrease the pressure of the reaction.

Increase the temperature of the reaction.

Reduce hydrogen concentration by reducing the amount of hydrogen in the reaction chamber.

Increasing the pressure on the reaction: 2NO 2 (g) ↔ N 2 O 4 (g) will:

shift the equilibrium to the right towards the products, making more of the product.

shift the reaction to the left towards the reactants, making more of the reactants.

Which of the following is NOT true at equilibrium?

The concentration of the reactants is equal to the concentration of the products.

The forward and reverse reactions proceed at the same rate.

The concentrations of reactants and products do not change.

The forward and reverse reactions continue to occur.

Equilibrium and LeChatelier's Principle

Quiz

•

Chemistry

•

10th - 11th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS1-6, HS-PS1-5, HS-PS1-4

+1

Standards-aligned

Thomas Gelsthorpe

Used 41+ times

FREE Resource

27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

For an endothermic reaction, heat can be thought of as:

a reactant

a product

either it has no effect

neither it effects both sides equally.

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of SO₂is increased, the equilibrium of the reaction will shift ___________.

left

right

left and right

neither left nor right

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of O₂ will ___________.

increase

decrease

remain the same

double

Tags

NGSS.HS-PS1-6

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of SO₃ will ___________.

increase

decrease

remain the same

double

Tags

NGSS.HS-PS1-6

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of O₂is decreased, the equilibrium of the reaction will shift ___________.

left

right

left and right

neither left nor right

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the left, the concentration of SO₃ will ___________.

increase

decrease

stay the same

triple

Tags

NGSS.HS-PS1-6

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is added to the chemical system, the equilibrium will shift _______.

left

right

left and right

neither left nor right

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

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Equilibrium and LeChatelier's Principle

27 questions

For an endothermic reaction, heat can be thought of as:

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of SO₂is increased, the equilibrium of the reaction will shift ___________.

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of O₂ will ___________.

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of SO₃ will ___________.

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of O₂is decreased, the equilibrium of the reaction will shift ___________.

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the left, the concentration of SO₃ will ___________.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is added to the chemical system, the equilibrium will shift _______.

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

For the reaction...
N_{2 (g)}+ 3 H₂ _(g) <−> 2 NH_{3 (g)}
If the pressure in the system is increased, which substance will increase in concentration?

Define chemical equilibrium.

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Equilibrium and LeChatelier's Principle

27 questions

For an endothermic reaction, heat can be thought of as:

For the reaction...SO2 + O2 <−> SO3If the concentration of SO2 is increased, the equilibrium of the reaction will shift ___________.

For the reaction...SO2 + O2 <−> SO3If the equilibrium shifts to the right, the concentration of O2 will ___________.

For the reaction...SO2 + O2 <−> SO3If the equilibrium shifts to the right, the concentration of SO3 will ___________.

For the reaction...SO2 + O2 <−> SO3If the concentration of O2 is decreased, the equilibrium of the reaction will shift ___________.

For the reaction...SO2 + O2 <−> SO3If the equilibrium shifts to the left, the concentration of SO3 will ___________.

For the reaction...heat + N2 + O2 <−> 2NOIf the heat is added to the chemical system, the equilibrium will shift _______.

For the reaction...heat + N2 + O2 <−> 2NOIf the heat is removed to the chemical system, the equilibrium will shift _______.

For the reaction...N2 (g) + 3 H2 (g) <−> 2 NH3 (g)If the pressure in the system is increased, which substance will increase in concentration?

Define chemical equilibrium.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Chemistry

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of SO₂is increased, the equilibrium of the reaction will shift ___________.

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of O₂ will ___________.

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the right, the concentration of SO₃ will ___________.

For the reaction...
SO₂ + O₂ <−> SO₃
If the concentration of O₂is decreased, the equilibrium of the reaction will shift ___________.

For the reaction...
SO₂ + O₂ <−> SO₃If the equilibrium shifts to the left, the concentration of SO₃ will ___________.

For the reaction...
heat + N₂ + O₂ <−> 2NO
If the heat is added to the chemical system, the equilibrium will shift _______.

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

For the reaction...
N_{2 (g)}+ 3 H₂ _(g) <−> 2 NH_{3 (g)}
If the pressure in the system is increased, which substance will increase in concentration?