The entropy change during heating of 50 g water (sp. Heat `=4200 J kg^(-1) K^(-1)`) from `20^(@)C` to `40^(@)C` will be
A. `13.83 JK^(-1)`
B. `-13.83 JK^(-1)`
C. `27.66 JK^(-1)`
D. `55.32 JK^(-1)`
A. `13.83 JK^(-1)`
B. `-13.83 JK^(-1)`
C. `27.66 JK^(-1)`
D. `55.32 JK^(-1)`
Correct Answer – A
`DeltaS=2.303 nC_(p)”log” T_(2)/T_(1)`