At elevated temperatures ammonium carbonate, NH 2 COONH 4 , is in equilibrium with NH 3 and CO 2 according to the equation; NH 2 COONH 4 ( s ) ↔ 2 NH 3 ( g ) + CO 2 ( g ) What is the equilibrium expression for this reaction?

K = 2 [NH 3 ][CO 2 ] [NH 2 COONH 4 ]

K = [NH 3 ] 2 [CO 2 ] [NH 2 COONH 4 ]

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

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

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

Which of the following statements is true when K eq > 1?

Products are favored at equilibrium.

The reaction is at equilibrium.

Reactants are favored at equilibrium.

The reaction has not reached equilibrium.

For the reaction: N 2 (g) + 3H 2 (g) ⇌ 2NH 3 (g), what is the effect of increasing the pressure?

Equilibrium shifts to the right.

Equilibrium shifts to the left.

Equilibrium constant increases.

At elevated temperatures ammonium carbonate, NH 2 COONH 4 , is in equilibrium with NH 3 and CO 2 according to the equation; NH 2 COONH 4 ( s ) ↔ 2 NH 3 ( g ) + CO 2 ( g ) What is the equilibrium expression for this reaction?

K = 2 [NH 3 ][CO 2 ] [NH 2 COONH 4 ]

K = [NH 3 ] 2 [CO 2 ] [NH 2 COONH 4 ]

Why are solids eliminated from equilibrium expressions?

Their concentrations do not change.

Their concentrations are always zero.

Their concentrations are always one.

Which of the following would shift an equilibrium?

Changing the amount of a solid reactant

Equilibrium

Quiz

•

Chemistry

•

11th Grade

•

Practice Problem

•

Easy

•

NGSS

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

Standards-aligned

Bryan Phillips

Used 3+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the reaction, choose the CORRECT equilibrium constant, K_c.

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

From the reaction, choose the CORRECT equilibrium constant, K_p.

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Kc expression for the reaction below:
SOCl2(g) + H2O(g) ⇌ SO2(g) + 2HCl(g)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are [A] and [B]?

concentration of reactants

concentration of products

energy of reactants

energy of products

Tags

NGSS.HS-PS1-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are [C] and [D]?

concentration of reactants

concentration of products

energy of reactants

energy of products

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

At elevated temperatures ammonium carbonate, NH₂COONH₄, is in equilibrium with NH₃ and CO₂ according to the equation;
NH₂COONH₄(s) ↔ 2 NH₃(g) + CO₂(g)
What is the equilibrium expression for this reaction?

K = 2 [NH₃][CO₂]

[NH₂COONH₄]

K = [NH₃]²[CO₂]

[NH₂COONH₄]

K = 2 [NH₃][CO₂]

K = [NH₃]²[CO₂]

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Changes in pressure will only affect substances that are in the __________ state.

gaseous

liquid

solid

plasma

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Equilibrium

25 questions

For the reaction, choose the CORRECT equilibrium constant, K_c.

From the reaction, choose the CORRECT equilibrium constant, K_p.

What is the Kc expression for the reaction below:
SOCl2(g) + H2O(g) ⇌ SO2(g) + 2HCl(g)

What are [A] and [B]?

What are [C] and [D]?

At elevated temperatures ammonium carbonate, NH₂COONH₄, is in equilibrium with NH₃ and CO₂ according to the equation;
NH₂COONH₄(s) ↔ 2 NH₃(g) + CO₂(g)
What is the equilibrium expression for this reaction?

Changes in pressure will only affect substances that are in the __________ state.

Calculate Kc for the reaction HI_(g)—> H_2(g) + I_2(g) given that the concentrations of each species at equilibrium are as follows: [HI] = 0.85 mol/L, [I₂] = 0.60 mol/L, [H₂] = 0.27mol/L.

A very high value for K indicates that

Kc = ?

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Equilibrium

25 questions

For the reaction, choose the CORRECT equilibrium constant, Kc.

From the reaction, choose the CORRECT equilibrium constant, Kp.

What is the Kc expression for the reaction below: SOCl2(g) + H2O(g) ⇌ SO2(g) + 2HCl(g)

What are [A] and [B]?

What are [C] and [D]?

At elevated temperatures ammonium carbonate, NH2COONH4, is in equilibrium with NH3 and CO2 according to the equation;NH2COONH4(s) ↔ 2 NH3(g) + CO2(g)What is the equilibrium expression for this reaction?

Changes in pressure will only affect substances that are in the __________ state.

Calculate Kc for the reaction HI(g) —> H2(g) + I2(g) given that the concentrations of each species at equilibrium are as follows: [HI] = 0.85 mol/L, [I2] = 0.60 mol/L, [H2] = 0.27mol/L.

A very high value for K indicates that

Kc = ?

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Discover more resources for Chemistry

For the reaction, choose the CORRECT equilibrium constant, K_c.

From the reaction, choose the CORRECT equilibrium constant, K_p.

What is the Kc expression for the reaction below:
SOCl2(g) + H2O(g) ⇌ SO2(g) + 2HCl(g)

At elevated temperatures ammonium carbonate, NH₂COONH₄, is in equilibrium with NH₃ and CO₂ according to the equation;
NH₂COONH₄(s) ↔ 2 NH₃(g) + CO₂(g)
What is the equilibrium expression for this reaction?

Calculate Kc for the reaction HI_(g)—> H_2(g) + I_2(g) given that the concentrations of each species at equilibrium are as follows: [HI] = 0.85 mol/L, [I₂] = 0.60 mol/L, [H₂] = 0.27mol/L.