What will be the result of a reaction if its enthalpy change is positive, its entropy change is negative and Gibbs free energy is positive?

A. Never spontaneous
B. Nonspontaneous, if the temperature is low
C. Spontaneous, if the temperature is high
D. Always spontaneous

1 answer

http://www.kentchemistry.com/links/Kinetics/Gibbs.htm
ΔG = ΔH - TΔS

Consider answer C, if Temp goes high, then the - TΔS goes positive, and delta G is even more positive.
Answer A looks inviting here.