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1. |
The molar heat capacity \[\left( {{C}_{p}} \right)\] of \[C{{D}_{2}}O\] is 10 cals at 1000 K. The change in entropy associated with cooling of 32 g of \[C{{D}_{2}}O\] vapour from 1000 K to 100 K at constant pressure will be: (D = deuterium, atomic mass = 2 u) |
A. | \[23.03\text{ }cal\text{ }de{{g}^{-1}}\] |
B. | \[-23.03\text{ }cal\text{ }de{{g}^{-1}}\] |
C. | \[2.303\text{ }cal\text{ }de{{g}^{-1}}\] |
D. | \[-2.303\text{ }cal\text{ }de{{g}^{-1}}\] |
Answer» C. \[2.303\text{ }cal\text{ }de{{g}^{-1}}\] | |