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At temperatures above 0°c, solid ice undergoes a spontaneous change to liquid water according to the following equation:
H2O + heat = H2O(l)
the changes in H2O(s) involve
a) a release of heat and a decrease in entropy
b) a release of heat and an increase in entropy
c) an absorption of heat and an increase in entropy
d) an absorption of heat and a decrease in entropy
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