Question

predict the sign for entropy change for the following changes of state:
Hg(l) --------- Hg(g)
AgNo3(s) ------------AgNo3(aq)​

Answer 1

Answer:

1st one +, 2nd one +

Explanation:

liq to gas means more randomness and 2nd one construction of Born Haber cycle it found that it's a spontaneous process so (dG/dT) p=-dS so S=+