When water of mass m and specific heat c is heated from absolute temperature T1 to absolute temperature T2, its change in entropy is

a. cm ln(T2/T1)
b. cm (T2/T1)
c. cm (T2 ? T1)/T1
d. cm (T2 ? T1)/T2
e. cm (T2 ? T1)/(T2 + T1)


a

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