The molar heat capacity `(C_(P))` of `CD_(2)O` is 10 cals at 1000 K. The change in entropy associated with cooling of 32 g of `CD_(2)O` vapour form 1000 K to 100 K at constant pressure will be : (D= deuterium, at mass =2u)A. `23.03" cal deg"^(-1)`B. `-23.03" cal deg"^(-1)`C. `2.303" cal deg"^(-1)`D. `-2.303" cal deg"^(-1)`

The molar heat capacity `(C_(P))` of `CD_(2)O` is 10 cals at 1000 K. T

1.	The molar heat capacity `(C_(P))` of `CD_(2)O` is 10 cals at 1000 K. The change in entropy associated with cooling of 32 g of `CD_(2)O` vapour form 1000 K to 100 K at constant pressure will be : (D= deuterium, at mass =2u)A. `23.03" cal deg"^(-1)`B. `-23.03" cal deg"^(-1)`C. `2.303" cal deg"^(-1)`D. `-2.303" cal deg"^(-1)`
Answer» Correct Answer - B `DeltaS=2.303 nC_(p)"log" T_(2)/T_(1)`

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