Why do exothermic processes tend to be spontaneous at low temperatures? Why does their tendency toward spontaneity decrease with increasing temperature?
Match the items in the left column to the appropriate blanks in the sentences on the right.
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-ΔΗ,y:/T
positive
Exothermic processes
AH, y) tend to be spontaneous at low temperatures
because they significantly
the entropy of the surroundings
AS curr). Since ASgurr =
exothermicity becomes
of a determining
factor for spontaneity as temperature increases.
negative
more
decrease
less
Increase
ΔΗ,y/T