61. 1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole.K, the final temperature will be
62. When pressure is applied on the system, ice ⟷ water, then
63. If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them. This is __________ law.
64. If atmospheric temperature and dew point are nearly equal, then the relative humidity is
65. First law of thermodynamics deals with the
66. In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is
67. COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about
68. The number of degree of freedom for an azeotropic mixture of ethanol and water in vapour-liquid equilibrium, is
69. Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.
70. Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?
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