When ice melts at its normal melting point, 273.16 K and 1 atm, which of the following is true for the process?
a. AH < 0, AS > 0, AV > 0
b. AH < 0, AS < 0, AV > 0
c. AH > 0, AS < 0, AV < 0
d. AH > 0, AS > 0, AV > 0
e. AH > 0, AS > 0, AV < 0