Unit 11 PreTest Review

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2CH₄<--> C₂H₂ + 3 H₂
Which direction will the reaction shift when CH₄ is added to the system?

Towards the products

No change

Towards the reactants

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How does increasing temperature affect an endothermic reaction?

Shifts to products

Shifts to reactants

No change

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3H₂(g)+N₂(g)⟷2NH₃(g) ΔH=–92kJ
Which of the following actions can cause the position of equilibrium to shift to the left?

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3H₂(g)+N₂(g)⟷2NH₃(g) ΔH=–92kJ
Which of the following will cause the concentration of N₂ to increase?

Decrease NH₃

Increase NH₃

Increase H₂

Decrease temperature

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N₂(g) + O₂(g) + heat ⟷ 2NO(g)
What will happen if the temperature is decreased?

Equilibrium will shift right.

No impact on equilibrium

Equilibrium will shift left.

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N₂ + 3 H₂ <-> 2 NH₃
What impact did adding N₂at t₁have on NH₃?

Adding N₂ shifted the reaction towards the reactants increasing NH₃

Adding N₂ shifted the reaction towards the reactants decreasing NH₃

Adding N₂ shifted the reaction towards the products decreasing NH₃

Adding N₂ shifted the reaction towards the products increasing NH₃

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For the reaction: CO(g) + 2H₂(g) ⇌ CH₃OH(l), the equilibrium expression is?

[CH₃OH]

[CO][H₂]²

[CH₃OH] * [CO][H₂]²

[CH₃OH]

[COH₂]²

1

[CO][H₂]²

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What is the equilibrium expression for the reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g)?

[NH₃]²

[N₂][H₂]³

[NH₃]² * [N²][H²]³

[NH₃]

[N₂][H₂]³

[NH_³]²

[N₂H₂]³

Unit 11 PreTest Review

2CH₄<--> C₂H₂ + 3 H₂
Which direction will the reaction shift when CH₄ is added to the system?

How does increasing temperature affect an endothermic reaction?

3H₂(g)+N₂(g)⟷2NH₃(g) ΔH=–92kJ
Which of the following actions can cause the position of equilibrium to shift to the left?

3H₂(g)+N₂(g)⟷2NH₃(g) ΔH=–92kJ
Which of the following will cause the concentration of N₂ to increase?

N₂(g) + O₂(g) + heat ⟷ 2NO(g)
What will happen if the temperature is decreased?

N₂ + 3 H₂ <-> 2 NH₃
What impact did adding N₂at t₁have on NH₃?

For the reaction: CO(g) + 2H₂(g) ⇌ CH₃OH(l), the equilibrium expression is?

What is the equilibrium expression for the reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g)?

2CH₄<--> C₂H₂ + 3 H₂
Which direction will the reaction shift when CH₄ is added to the system?

How does increasing temperature affect an endothermic reaction?

3H₂(g)+N₂(g)⟷2NH₃(g) ΔH=–92kJ
Which of the following actions can cause the position of equilibrium to shift to the left?

3H₂(g)+N₂(g)⟷2NH₃(g) ΔH=–92kJ
Which of the following will cause the concentration of N₂ to increase?

N₂(g) + O₂(g) + heat ⟷ 2NO(g)
What will happen if the temperature is decreased?

N₂ + 3 H₂ <-> 2 NH₃
What impact did adding N₂at t₁have on NH₃?

N₂ + 3 H₂ <-> 2 NH₃
If heat was added at t₃, which statement is true:

For the reaction: CO(g) + 2H₂(g) ⇌ CH₃OH(l), the equilibrium expression is?

What is the equilibrium expression for the reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g)?

N₂ + 3 H₂ <-> 2 NH₃
If heat was added at t₃, which statement is true:

Unit 11 PreTest Review

Unit 11 PreTest Review

2CH4 <--> C2H2 + 3 H2Which direction will the reaction shift when CH4 is added to the system?

How does increasing temperature affect an endothermic reaction?

3H2(g)+N2(g)⟷2NH3(g) ΔH=–92kJWhich of the following actions can cause the position of equilibrium to shift to the left?

3H2(g)+N2(g)⟷2NH3(g) ΔH=–92kJWhich of the following will cause the concentration of N2 to increase?

N2(g) + O2(g) + heat ⟷ 2NO(g)What will happen if the temperature is decreased?

N2 + 3 H2 <-> 2 NH3What impact did adding N2 at t1 have on NH3?

For the reaction: CO(g) + 2H2(g) ⇌ CH3OH(l), the equilibrium expression is?

What is the equilibrium expression for the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g)?

2CH4 <--> C2H2 + 3 H2Which direction will the reaction shift when CH4 is added to the system?

How does increasing temperature affect an endothermic reaction?

3H2(g)+N2(g)⟷2NH3(g) ΔH=–92kJWhich of the following actions can cause the position of equilibrium to shift to the left?

3H2(g)+N2(g)⟷2NH3(g) ΔH=–92kJWhich of the following will cause the concentration of N2 to increase?

N2(g) + O2(g) + heat ⟷ 2NO(g)What will happen if the temperature is decreased?

N2 + 3 H2 <-> 2 NH3What impact did adding N2 at t1 have on NH3?

N2 + 3 H2 <-> 2 NH3If heat was added at t3, which statement is true:

For the reaction: CO(g) + 2H2(g) ⇌ CH3OH(l), the equilibrium expression is?

What is the equilibrium expression for the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g)?

N2 + 3 H2 <-> 2 NH3If heat was added at t3, which statement is true:

2CH₄<--> C₂H₂ + 3 H₂
Which direction will the reaction shift when CH₄ is added to the system?

3H₂(g)+N₂(g)⟷2NH₃(g) ΔH=–92kJ
Which of the following actions can cause the position of equilibrium to shift to the left?

3H₂(g)+N₂(g)⟷2NH₃(g) ΔH=–92kJ
Which of the following will cause the concentration of N₂ to increase?

N₂(g) + O₂(g) + heat ⟷ 2NO(g)
What will happen if the temperature is decreased?

N₂ + 3 H₂ <-> 2 NH₃
What impact did adding N₂at t₁have on NH₃?

For the reaction: CO(g) + 2H₂(g) ⇌ CH₃OH(l), the equilibrium expression is?

What is the equilibrium expression for the reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g)?

2CH₄<--> C₂H₂ + 3 H₂
Which direction will the reaction shift when CH₄ is added to the system?

3H₂(g)+N₂(g)⟷2NH₃(g) ΔH=–92kJ
Which of the following actions can cause the position of equilibrium to shift to the left?

3H₂(g)+N₂(g)⟷2NH₃(g) ΔH=–92kJ
Which of the following will cause the concentration of N₂ to increase?

N₂(g) + O₂(g) + heat ⟷ 2NO(g)
What will happen if the temperature is decreased?

N₂ + 3 H₂ <-> 2 NH₃
What impact did adding N₂at t₁have on NH₃?

N₂ + 3 H₂ <-> 2 NH₃
If heat was added at t₃, which statement is true:

For the reaction: CO(g) + 2H₂(g) ⇌ CH₃OH(l), the equilibrium expression is?

What is the equilibrium expression for the reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g)?

N₂ + 3 H₂ <-> 2 NH₃
If heat was added at t₃, which statement is true: