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)
provide an explanation, as well, you!