Q. Fugacity and pressure are numerically equal, when the gas is

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Q. Refrigerants commonly used for domestic refrigerators are

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Q. Solid and liquid phases of a substance are in equilibrium at the

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Q. Absolute zero temperature signifies the

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Q. Sound waves propagation in air exemplifies an __________ process.

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Q. For equilibrium process (i.e. reversible) in an isolated system

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Q. The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of

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Q. With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure

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Q. For an ideal gas, the enthalpy

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Q. Melting of wax is accompanied with __________ in entropy.

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Q. Work done in case of free expansion is

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Q. Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is

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Q. During adiabatic expansion of gas

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Q. For a cyclic process, a fixed ratio between heat and work

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Q. Which of the following is not a common refrigerant ?

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Q. The most important application of distribution law is in

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Q. Pick out the correct statement.

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Q. Air-refrigeration cycle

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Q. In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be

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Q. Gibbs free energy of mixing at constant pressure and temperature is always

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