Questions & Answers
Browse all 20 questions from the
Thermodynamics Fundamentals study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the SI unit of temperature?
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A
Celsius
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B
Fahrenheit
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C
Kelvin
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D
Rankine
2
Which law of thermodynamics states that energy cannot be created or destroyed, only transferred or changed from one form to another?
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A
Zeroth Law
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B
First Law
-
C
Second Law
-
D
Third Law
3
What does absolute zero represent?
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A
The temperature at which water boils
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B
The lowest possible temperature
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C
The temperature at which ice melts
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D
The temperature at which most chemical reactions stop
4
What is the process by which heat is transferred through direct contact of particles?
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A
Convection
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B
Radiation
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C
Conduction
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D
Absorption
5
Which form of energy transfer does not require a medium?
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A
Conduction
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B
Convection
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C
Radiation
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D
Evaporation
6
What is defined as the measure of the average kinetic energy of the particles in a substance?
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A
Heat
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B
Temperature
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C
Internal Energy
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D
Pressure
7
The tendency of systems to become more disordered is described by which concept?
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A
Enthalpy
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B
Entropy
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C
Gibbs Free Energy
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D
Work
8
What state of matter has a definite shape and a definite volume?
-
A
Gas
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B
Liquid
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C
Solid
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D
Plasma
9
In thermodynamics, what is 'work' generally defined as?
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A
Heat transferred
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B
Change in internal energy
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C
Force applied over a distance
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D
Mass multiplied by acceleration
10
What is the process called when a gas turns directly into a solid?
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A
Sublimation
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B
Deposition
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C
Condensation
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D
Evaporation
11
Which law of thermodynamics states that the entropy of an isolated system never decreases over time?
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A
First Law
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B
Second Law
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C
Third Law
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D
Zeroth Law
12
What is the term for the energy contained within a system due to the motion of its particles?
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A
Heat
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B
Work
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C
Internal Energy
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D
Potential Energy
13
What is the process of a solid turning directly into a gas called?
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A
Condensation
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B
Melting
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C
Sublimation
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D
Freezing
14
Which of these is a measure of how much heat a substance can absorb before its temperature changes?
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A
Thermal conductivity
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B
Specific heat capacity
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C
Latent heat
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D
Heat flux
15
What is the state of matter where particles are far apart and move randomly?
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A
Solid
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B
Liquid
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C
Gas
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D
Plasma
16
The Zeroth Law of Thermodynamics deals with the concept of:
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A
Absolute zero
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B
Heat transfer
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C
Thermal equilibrium
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D
Entropy
17
What happens to the volume of most substances when heated?
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A
They contract
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B
They expand
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C
They remain the same
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D
They decompose
18
What is the term for the energy transferred between systems due to a temperature difference?
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A
Work
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B
Heat
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C
Power
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D
Enthalpy
19
Which law of thermodynamics states that as the temperature of a perfect crystal approaches absolute zero, its entropy approaches zero?
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A
First Law
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B
Second Law
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C
Third Law
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D
Zeroth Law
20
In which state of matter do particles have a definite volume but take the shape of their container?
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A
Solid
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B
Liquid
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C
Gas
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D
Plasma
