Chemical Equilibrium Kp

Chemical Equilibrium Kp

10th Grade

40 Qs

quiz-placeholder

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Chemical Equilibrium Kp

Chemical Equilibrium Kp

Assessment

Quiz

Science

10th Grade

Practice Problem

Hard

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

+1

Standards-aligned

Created by

Charles Martinez

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nitrogen and oxygen do not react appreciably at room temperature, as illustrated by our atmosphere. But at high temperatures, the reaction below can proceed to a measurable extent.

N2(g) + O2(g) ⇌ 2NO(g)

At 3000 K, the reaction above has Kc = 0.0153. If 0.3000 mol of pure NO is injected into an evacuated 2.000 L container and heated to 3000 K, what will be the equilibrium concentration of NO?

0.0096 mol dm-3

0.0706 mol dm-3

Tags

NGSS.HS-PS1-5

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

At a particular temperature, Kc = 2.0 x 10¯6 for the reaction:

2CO2(g) ⇌ 2CO(g) + O2(g)

If 2.0 mol CO2 is initially placed into a 5.0 L vessel, calculate x?

x = 4.3 x 10¯3 M

x = 4.3 x 10-2 M

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What are the two factors to look for when determining if the reaction is at equilibrium?

Forward reaction rate is faster than the reverse and concentrations are equal

Forward and reverse reaction rates are equal and concentration is constant

Forward and revers reaction rates are equal and concentration is equal

Forward reaction rate is faster than the reverse and concentration is equal

Tags

NGSS.HS-PS1-6

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

For the reaction... SO2 + O2  <−>  SO3 If the concentration of SOis increased, the equilibrium of the reaction will shift ___________.

left

right

left and right 

neither left nor right

Tags

NGSS.HS-PS1-5

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

For the reaction... SO2 + O2 <−>  SO3 If the equilibrium shifts to the right, the concentration of O2 will ___________.

increase

decrease

remain the same

double

Tags

NGSS.HS-PS1-5

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nitrogen and oxygen do not react appreciably at room temperature, as illustrated by our atmosphere. But at high temperatures, the reaction below can proceed to a measurable extent.

N2(g) + O2(g) ⇌ 2NO(g)

At 3000 K, the reaction above has Kc = 0.0153. If 0.3000 mol of pure NO is injected into an evacuated 2.000 L container and heated to 3000 K, what will be the equilibrium concentration of NO?

0.0096 mol dm-3

0.0706 mol dm-3

Tags

NGSS.HS-PS1-5

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nitrogen and oxygen do not react appreciably at room temperature, as illustrated by our atmosphere. But at high temperatures, the reaction below can proceed to a measurable extent.

N2(g) + O2(g) ⇌ 2NO(g)

At 3000 K, the reaction above has Kc = 0.0153. If 0.3000 mol of pure NO is injected into an evacuated 2.000 L container and heated to 3000 K, what will be the equilibrium concentration of NO?

0.0096 mol dm-3

0.0706 mol dm-3

Tags

NGSS.HS-PS1-5

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