The normal melting point of acetic acid HC2H3O2 is 16.6 C. For the process of melting acetic acid at 1 atm what is the sign for each of the following . For each choose positive or negative or zero
a. delta H
b. delta S
c. delta G at 16.6 C
d. delta G at 0 C
e. delta G at 25 C