7. About the thermodynamic equation, which of the following is correct,
(A)T = (\( \partial \)U/\( \partial \)S)_V
(B)T = (\( \partial \)H/\( \partial \)S)_V
(C)T = (\( \partial \)A/\( \partial \)S)_V
(D)T = (\( \partial \)G/\( \partial \)S)_V
(E)none of above is correct

8. About ideal gas, (A)An ideal gas is an assemblage of volumeless noninteracting particles which obeys the ideal gas law, PV = RT. (B)The internal energy of an ideal gas arises solely from the translational motions of the gas particles and hence is a function only of temperature, (C)The enthalpy of an ideal gas is a function only of temperature, (D)The internal energy U is constant with respect to the gas volume, i.e. (dU/dV)T = 0, hence the pressure P can be expressed as P = (dS/dV)T, (E)The above are all correct.

9. The numbers of ways in which the particles can be distributed in space is related to the concept of the thermodynamic property (A)thermal entropy (B)degree of mixed-up-ness (C)enthalpy (D)configuration entropy

10. When pressure is constant, enthalpy is equivalent to (A)heat (B)internal energy (C)entropy (D)work

11. At constant pressure, when temperature increases, Gibbs free energy (A)always increases (B)always decreases (C)does not change (D)increases following by decreasing

12. When a piece of steel A with temperature of 30°C and a piece of aluminum B with temperature of 50°C were put in contact side by side, which of the following is true (A)the Al atom will diffuse into the steel A (B)configuration entropy will not change (C)total entropy will not be affected (D)thermal entropy will not increase

13. When a three-component system is in equilibrium (pressure is fixed at 1atm) with zero degree of freedom, there must coexist (A)one phase (B)two phases (C)three phases (D)four phases (E)none of the above.

14. Which relationship is correct? (A)(\( \partial \)T/\( \partial \)V)S = -(\( \partial \)P/\( \partial \)S)V (B)(\( \partial \)T/\( \partial \)P)S = -(\( \partial \)V/\( \partial \)S)P (C)(\( \partial \)S/\( \partial \)V)T = -(\( \partial \)P/\( \partial \)T)V (D)(\( \partial \)S/\( \partial \)P)T = (\( \partial \)V/\( \partial \)T)P (E)none of the above.

15. The chemical potential of species i (\( \mu_i \)) is equal to (A)(\( \partial \)G/\( \partial \)ni)T, V, nj (B)(\( \partial \)U/\( \partial \)ni)T, V, nj (C)(\( \partial \)H/\( \partial \)ni)T, V, nj (D)(\( \partial \)A/\( \partial \)ni)T, V, nj (E)none of the above

16. The heat capacity (CP) for an element Z is CP = 24+5x10-3T (J/mole K), to what temperature would you have to heat Z at constant pressure to raise its molar enthalpy by 1J? (Start with Z in the state: P = 1atm, T = 298K) (A)286.4K (B)298.04K (C)541.32K (D)785.44K (E)>1000K

17. Ni(S) + O2 = 2NiO, \( \Delta \)G0 = -471200 + 172T J 2NiO = 2Ni(L) + O2, \( \Delta \)G0 = 506180 - 192.2T J The molar entropy of melting nickel is __________ J/K. (A)0 (B)10.1 (C)23.5 (D)37.1 (E)47.5

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