Q 34

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

Q 35

The change in entropy of a mass m of a solid substance which has a latent heat of fusion L and melts at a temperature T is
A)LT/m
B)mL ln(T)
C)mLT
D)mL/T
E)L/mT

Q 36

Since L_{ice} = 333 J/g,the change in entropy (in cal/K)when 1.00 kg of ice melts is
A)144
B)291
C)312
D)516
E)80