The change in entropy of 1.00 kg of water that is heated from 50C to 100C is (in cal/K)
a. 516
b. 312
c. 144
d. 946
e. 391
Question 2
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)