Thermodynamics Quiz

What is the first law of thermodynamics?

• Entropy is the inherent disorder of a system.

• Heat will spontaneously flow from something hotter to something colder.

• The internal energy of a closed system is equal to the heat transfer to the system minus the work done on or by the system.

• The change in internal energy is equal to the change in work plus heat.

Which type of thermodynamic process involves holding the volume constant?

• Isovolumetric

• Adiabatic

• Isobaric

• Isothermal

What is the equation for work done during an isobaric process?

• Work = Pressure x Area x Distance

• Work = Pressure x Change in Volume

• Work = Heat - Work

• Work = Force x Distance

In an isothermal process, what happens to the internal energy of the ideal gas?

• It decreases

• It increases

• It remains constant

• It depends on the heat added or removed

What is the second law of thermodynamics?

• The change in internal energy is equal to the change in work plus heat.

• Entropy is the inherent disorder of a system.

• Heat will spontaneously flow from something hotter to something colder.

• The internal energy of a closed system is equal to the heat transfer to the system minus the work done on or by the system.

What is entropy?

• The internal energy of a closed system is equal to the heat transfer to the system minus the work done on or by the system.

• Heat will spontaneously flow from something hotter to something colder.

• The change in internal energy is equal to the change in work plus heat.

• Entropy is the inherent disorder of a system.

Why does heat flow from warmer systems to cooler ones?

• To decrease the internal energy of the warmer system

• To decrease the entropy of the warmer system

• To increase the entropy of the cooler system

• To increase the internal energy of the cooler system

What happens to the gas in an adiabatic process?

• It expands and does work

• It contracts and does work

• It depends on the heat added or removed

• It remains constant

What is the relationship between heat flow and entropy?

• Entropy determines the direction of heat flow

• Heat flow decreases entropy

• Heat flow increases entropy

• Heat flow has no effect on entropy

What is the main goal of thermodynamics?

• To study the behavior of gases

• To determine the laws of physics

• To create perpetual motion machines

• To describe the transfer of energy