Thermodynamics I

Which of the following is a state function?

• Work

• Heat

• Internal Energy

• Heat Capacity

The first law of thermodynamics is a statement of the conservation of:

• Mass

• Momentum

• Energy

• Angular Momentum

In an isothermal process, the temperature of the system:

• Increases

• Decreases

• Remains Constant

• Fluctuates

Which of the following equations represents the ideal gas law?

• PV=nRT

• PV=mRT

• PV=nKT

• PV=mKT

The efficiency of a Carnot engine depends on:

• The nature of the working substance

• The temperature of the source only

• The temperature of the sink only

• The temperatures of both the source and sink

Entropy of an isolated system always increases.

• True

• False

The change in enthalpy (ΔH) for an isobaric process is equal to the heat added or removed from the system.

• True

• False

For a reversible adiabatic process, the product of pressure and volume remains constant.

• True

• False

In a cyclic process, the net work done by the system is equal to the net heat added to the system.

• True

• False

The second law of thermodynamics states that the total entropy of an isolated system can never decrease over time.

• True

• False