81. Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 ⇋ PCl3 + Cl2. Degree of dissociation of PCl5 will
82. A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system are
83. The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)
84. Air enters an adiabatic compressor at 300 K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas $$\left( {\gamma = \frac{{{{\text{C}}_{\text{p}}}}}{{{{\text{C}}_{\text{v}}}}} = \frac{7}{5}} \right)$$ and the process to be reversible, is
85. As the temperature is lowered towards the absolute zero, the value of the quantity $$\left( {\frac{{\partial \Delta {\text{F}}}}{{\partial {\text{T}}}}} \right)$$ approaches
86. Refrigeration capacity of a household refrigerator may be round about __________ tons.
87. All gases during throttling process at atmospheric temperature and pressure show a cooling effect except
88. On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will
89. The value of gas constant 'R' is
90. With increase in pressure (above atmospheric pressure), the Cp of a gas
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