WorksheetsThermodynamics Quiz
Total questions: 15
Worksheet time: 8mins
What does the first law of thermodynamics state?
Entropy always increases.
Energy cannot be created or destroyed.
Work is independent of energy.
Heat cannot flow between systems.
What is the unit of entropy?
Joule per meter
Joule per kelvin
Newton
Pascal
In an adiabatic process, what happens to heat transfer?
Heat is transferred to the surroundings.
Heat is lost to the environment.
No heat is transferred.
Heat is absorbed from the surroundings.
What characterizes an isothermal process?
Constant pressure
Constant volume
Constant temperature
No heat exchange
What is an extensive variable?
Temperature
Volume
Pressure
Density
What is the definition of work in thermodynamics?
Change in internal energy.
Heat transfer to the surroundings.
Interchange of energy between a system and its surroundings.
Energy stored in a system.
What does the zeroth law of thermodynamics state?
Work done is independent of heat transfer.
Energy is conserved.
Systems in thermal equilibrium are in equilibrium with each other.
Entropy increases in irreversible processes.
What is a reversible process?
A process that cannot return to its original state.
A process that occurs at constant pressure.
A process that can return to its original state with no net change.
A process that always increases entropy.
What happens in an irreversible process?
The total entropy change is negative.
There are departures from uniformity.
The process is always reversible.
The system can return to its original state.
What is thermal equilibrium?
A state where all changes in coordinates have ceased.
A state of maximum entropy.
A state of constant pressure.
A state where systems can influence each other.
What is the relationship between work and heat in an isobaric process?
Work done is always negative.
Work done is equal to heat added.
Work done is zero.
Work done is independent of heat.
What does the second law of thermodynamics state?
Entropy can decrease in a closed system.
Heat cannot flow from cold to hot.
Total entropy change may never decrease.
Energy is always conserved.
What is an insulator?
A material that conducts electricity.
A material that increases entropy.
A material that does not allow heat transfer.
A material that allows heat transfer.
What is the definition of pressure?
Temperature per unit mass.
Energy per unit volume.
Work done per unit time.
Force per unit area.
What is molar mass?
Mass of a substance per unit area.
Mass of a substance at absolute zero.
Mass of one mole of a substance.
Mass of a substance per unit volume.
