6. The Carnot cycle consists of:
a) Two isothermal and two isochoric processes
b) Two isothermal and two adiabatic processes
c) Two isochoric and two adiabatic processes
d) Two isobaric and two adiabatic processes
7. The entropy of a system is a measure of:
a) Disorder or randomness
b) Energy content
c) Heat transfer
d) Pressure
8. The Gibbs free energy is defined as:
a) G = H – TS
b) G = H + TS
c) G = U + PV
d) G = U – PV
9. The equation of state for an ideal gas is given by:
a) PV = nRT
b) PV = RT
c) PV = nkT
d) PV = nT
10. The Joule-Thomson effect describes the:
a) Heating of a gas when work is done on it
b) Cooling of a gas when work is done on it
c) Heating of a gas when it does work
d) Cooling of a gas when it does work