Predict the spontaneity of a reaction (and the temperature dependence of the spo
ID: 836886 • Letter: P
Question
Predict the spontaneity of a reaction (and the temperature dependence of the spontaneity) for each possible combination of signs for ?H and ?S (for the system).
1) ?H negative, ?S positive
2) ?H positive, ?S negative
3)?H negative, ?S negative
4)?H positive, ?S positive
a)The reaction will be nonspontaneous at low temperature, but spontaneous at high temperature.
b)The reaction will be spontaneous at all temperatures.
c)The reaction will be nonspontaneous at all temperatures.
d)The reaction will be spontaneous at low temperature, but nonspontaneous at high temperature.
Explanation / Answer
1) b
2) c
3)d
4)a