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CHEMICAL EQUILIBRIUM

Authored by Vinarti Mahmud

Chemistry

12th Grade

NGSS covered

Used 158+ times

CHEMICAL EQUILIBRIUM
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This symbol indicates that a reaction is ____________

reversible
irreversible

Tags

NGSS.HS-PS1-6

2.

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

3.

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-PS1-6

NGSS.HS-PS1-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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?

N2

H2

N2 and H2

NH3

Tags

NGSS.HS-PS1-6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the effect of increasing the pressure on the following equilibrium: 2NO(g) + O2 (g) ⇌2NO2(g)?

The yield of NO2 increases

The yield of NO2 decreases

The reaction is slower

The concentration of O2 increases.

Tags

NGSS.HS-PS1-6

6.

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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT true at equilibrium?

The forward and reverse reactions proceed at the same rate.
The concentrations of reactants and products do not change.
The concentration of the reactants is equal to the concentration of the products.
The forward and reverse reactions continue to occur.

Tags

NGSS.HS-PS1-6

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