Predict whether ΔSsystem is + (favorable) or - (unfavorable) for each of the following:

a. Water vapor condensing

b. Dissolving sugar in tea

c. 2PbO2(s) → 2PbO(s) + O2(g)

d. 2NH3(g) → N2(g) + 3H2(g)

e. Ag+(aq) + Cl-(aq) → AgCl(s)

Please provide an explanation, as well, thank you!