Question

Under which conditions will chemical processes never be spontaneous?
a) ΔH is positive and ΔS is negative
b) ΔH is negative and ΔS is negative
c) ΔH is positive and ΔS is positive
d) ΔH is negative and ΔS is positive
e) Every reaction is different and the values of ΔH and
ΔS don’t allow you to predict spontaneity

Answer 1

Here's a hint:

\[\Delta{G} = \Delta{H} - \Delta{S}(T)\]

Answer 2

for it be spontaneous, delta G is negative. so that means A

Answer 3

Yep

Answer 4

can you help me with my other question, its also about spontaneity