Thermodynamics

What does the first law of thermodynamics state about internal energy?

• It is independent of heat and work.

• It only changes with temperature adjustments.

• It equals the heat added to the system minus the work done by the system.

• It remains constant regardless of heat or work.

Which process involves heat addition or removal without changing the volume?

• Adiabatic process

• Isovolumetric process

• Isothermal process

• Isobaric process

In which type of process is the temperature kept constant?

• Isothermal

• Isovolumetric

• Adiabatic

• Isobaric

What happens to the internal energy in an adiabatic process?

• It is converted entirely into work.

• It changes by the negative of the work done.

• It does not change.

• It increases as heat is added.

What does the second law of thermodynamics state about entropy?

• Entropy of a system always decreases.

• Entropy in the universe tends to increase.

• Entropy can only decrease in a closed system.

• Entropy is not related to heat flow.