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Thermodynamics Entropy Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which of the following best defines entropy in thermodynamics?

a)

The measure of disorder or randomness in a system

b)

The measure of energy in a closed system

c)

The measure of heat transfer in a system

d)

The measure of pressure exerted by a system

2.

Which law of thermodynamics is associated with entropy?

a)

Zeroth Law

b)

First Law

c)

Second Law

d)

Third Law

3.

What happens to the entropy of a closed system over time?

a)

It decreases

b)

It remains constant

c)

It fluctuates

d)

It increases

4.

Which process is considered to increase the entropy of a system?

a)

Melting of ice

b)

Condensation of steam

c)

Freezing of water

d)

Evaporation of water

5.

What unit is typically used to measure entropy?

a)

Joules (J)

b)

Kelvin (K)

c)

Joules per Kelvin (J/ K mol)

d)

Grams (g)

6.

What is the change in entropy for a reversible process at constant temperature?

a)

ΔS = 0

b)

ΔS > 0

c)

ΔS < 0

d)

ΔS = ΔH

7.

Which substance typically has higher entropy at standard conditions?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

8.

Entropy is a measure of:

a)

Energy available for work

b)

Disorder in a system

c)

Temperature change in a system

d)

Heat absorbed by a system

9.

Which factor affects the entropy of a system?

a)

Volume

b)

Temperature

c)

Pressure

d)

All of the above

10.

What does the entropy of a perfect crystal at absolute zero temperature tend to be according to the Third Law of Thermodynamics?

a)

Zero

b)

Infinite

c)

Constant

d)

Unpredictable