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Thermo and Equilibrium

Authored by Courteney Hinkson

Chemistry

9th - 12th Grade

NGSS covered

Used 24+ times

Thermo and Equilibrium
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35 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following does not decrease the rate of reaction?

Decrease concentration

Decrease temperature

Add a catalyst

Add an inhibitor

Tags

NGSS.HS-PS1-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will happen if heat is added to an exothermic reaction?

Reaction will shift towards reactants

Reaction will shift toward products

No shift will occur

Increase the rate of reaction in both directions

Tags

NGSS.HS-PS1-6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT true about chemical equilibrium?

Amount of reactants equals the amount of products

Rate of the forward reaction equals the rate of the reverse reaction

Concentration of reactants and products in constant

It is dynamic and continuously reacting

Tags

NGSS.HS-PS1-6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following will cause a shift in equilibrium?

Adding a catalyst

Adding a pure solid

Adding a pure liquid

Adding a gas

Tags

NGSS.HS-PS1-6

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following is true about endothermic reactions? Select all that apply.

The reaction feels cold

The reaction feels warm

ΔH is negative

ΔH is postive

Tags

NGSS.HS-PS1-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2SO2(g)+O2(g)⇌2SO3(g)
Adding O2(g) will

shift equilibrium right
shift equilibrium left
decrease pressure
have no change

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2SO2(g)+O2(g)⇌2SO3(g)

Increasing the pressure

shift equilibrium right

shift equilibrium left

slow rate of reaction

have no change

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