ThermodynamicsHard

Question

ᐃSsurr for an exothermic reaction is

Options

A.always positive
B.always negative
C.zero
D.may be positive or negative

Solution

Heat is released in an exothermic process which increases the entropy ofsurroundings.When entropy of the system is positive, overall entropy change is alsopositive. In some exothermic reaction, entropy of system may decrease.

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