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Equilibrium Constant, Kc

Authored by Vanessa Gray

Chemistry

2nd - 12th Grade

NGSS covered

Used 267+ times

Equilibrium Constant, Kc
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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the reaction/equation for this Kc expression

2N2 + O2 ⇌ 2NO

N2 + O2 ⇌ NO

NO ⇌ 2NO

N2 + O2 ⇌ 2NO

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the equation/reaction for this Kc expression?

O3 ⇌ 3O2

2O3 ⇌ 3O2

2O3 ⇌ O2

3O2 ⇌ 2O3

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If Kc is large that means the concentration of the __________ is high and therefore the concencentration of the __________ is low.

reactants, products

species, products

products, reactants

species, reactants

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If Kc is small that means the concentration of the __________ is high and therefore the concencentration of the __________ is low.

reactants, products

species, products

products, reactants

species, reactants

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The Kc expression for the reaction 2NH3 ⇌ N2 + 3H2

Media Image
Media Image
Media Image
Media Image

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kc = ?

products / reactants

reactants /products

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The square brackets in a Kc expression represent ?

concentration

concentration in mol L-1

concentration in g L-1

the same as round brackets

Tags

NGSS.HS-PS1-5

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