Thermodynamics Entropy Quiz

Which of the following best defines entropy in thermodynamics?

• The measure of disorder or randomness in a system

• The measure of energy in a closed system

• The measure of heat transfer in a system

• The measure of pressure exerted by a system

Which law of thermodynamics is associated with entropy?

• Zeroth Law

• First Law

• Second Law

• Third Law

Tags

NGSS.HS-PS3-4

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

• It decreases

• It remains constant

• It fluctuates

• It increases

Tags

NGSS.HS-PS3-2

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

• Melting of ice

• Condensation of steam

• Freezing of water

• Evaporation of water

What unit is typically used to measure entropy?

• Joules (J)

• Kelvin (K)

• Joules per Kelvin (J/ K mol)

• Grams (g)

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

• ΔS = 0

• ΔS > 0

• ΔS < 0

• ΔS = ΔH

Which substance typically has higher entropy at standard conditions?

• Solid

• Liquid

• Gas

• Plasma

Entropy is a measure of:

• Energy available for work

• Disorder in a system

• Temperature change in a system

• Heat absorbed by a system

Tags

NGSS.HS-PS3-4

Which factor affects the entropy of a system?

• Volume

• Temperature

• Pressure

• All of the above

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

• Zero

• Infinite

• Constant

• Unpredictable