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.

There are more products than reactants when the reaction reached equilibrium.

There are more reactant than products when the reaction reached equilibrium.

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

What type of reaction can obtain equilibrium?

Reactions with low activation energy

Le Chaltelier's Principle states that if a chemical system at equilibrium is stressed,

the system will adjust to reduce the stress

the system will adjust to increase the stress

Consider the following reaction. What would be the equilibrium constant expression? 4Br 2 (g) + CH 4 (g) ↔ 4HBr(g) + CBr 4 (g)

[HBr] 4 [CBr 4 ]/ [Br 2 ] 4 [CH 4 ]

[Br 2 ] 4 [CH 4 ]/ [HBr] 4 [CBr 4 ]

[HBr] 4 [CBr 4 ]/ [Br 2 ] 4 [CH] 4

What is the correct equilibrium expression for the following reaction: 2H 2 O 2 (aq) ↔ 2H 2 O(l) + O 2 (g)

[H 2 O] 2 [O 2 ] / [H 2 O 2 ] 2

[H 2 O 2 ] 2 / [H 2 O] 2 [O 2 ]

Equilibrium

Quiz

•

Chemistry

•

10th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS1-6, HS-PS1-5, HS-PS1-7

Standards-aligned

Amy Zalevskiy

Used 70+ times

FREE Resource

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 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

2.

MULTIPLE CHOICE QUESTION

30 sec • 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-PS1-5

NGSS.HS-PS1-6

3.

MULTIPLE CHOICE QUESTION

30 sec • 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

4.

MULTIPLE CHOICE QUESTION

30 sec • 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

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the reaction...
heat + N₂ + O₂ ↔ 2NO
If O₂ is removed, the concentration of N₂ will _______.

increase

decrease

remain the same

double

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

6.

MULTIPLE CHOICE QUESTION

30 sec • 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

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

left

right

both left and right

neither left nor right

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

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Equilibrium

18 questions

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...
heat + N₂ + O₂ ↔ 2NO
If O₂ is removed, the concentration of N₂ 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...
H_{2 (g)} + Cl_{2 (g)}↔ 2HCl _(g) + heat
If the temperature is cooled, the _________ reaction will be favored.

For the reaction...
N_{2 (g)}+ 3 H₂ _(g) ↔ 2 NH_{3 (g)}
If the pressure in the system is increased, _______ reaction will be favored.

Define chemical equilibrium.

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Equilibrium

18 questions

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...heat + N2 + O2 ↔ 2NOIf O2 is removed, the concentration of N2 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...H2 (g) + Cl2 (g) ↔ 2HCl (g) + heatIf the temperature is cooled, the _________ reaction will be favored.

For the reaction...N2 (g) + 3 H2 (g) ↔ 2 NH3 (g)If the pressure in the system is increased, _______ reaction will be favored.

Define chemical equilibrium.

Create a free account and access millions of resources

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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...
heat + N₂ + O₂ ↔ 2NO
If O₂ is removed, the concentration of N₂ 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...
H_{2 (g)} + Cl_{2 (g)}↔ 2HCl _(g) + heat
If the temperature is cooled, the _________ reaction will be favored.

For the reaction...
N_{2 (g)}+ 3 H₂ _(g) ↔ 2 NH_{3 (g)}
If the pressure in the system is increased, _______ reaction will be favored.