Predict the sign of `DeltaG` for a reaction that is
(a) Exothermic and accompanied by an increase in entropy.
(b) Endothermic and accompanied by increase in entropy.
(c) Can a temperature change affect the sign of `DeltaG` in (a) or (b)? If so, how?

Explanation

(a)`- ve`
(b) Cannot be predicted because it depends upon the magnitude of `DeltaS, DeltaH` and T
(c)A temperature change affects the sign in (b) by changing the magnitude of the temperature `-TDeltaS`