Q. During a reversible isothermal expansion of an ideal gas, the entropy change is

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Q. The equation, Cᵨ - Cᵥ = R, is true for __________ gas.

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Q. In a homogeneous solution, the activity co-efficient of a component depends upon the

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Q. Pick out the wrong statement:

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Q. With increase in compression ratio, the efficiency of the otto engine

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Q. The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

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Q. Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour.

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Q. At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.)

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Q. The kinetic energy of gas molecule is zero at

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Q. Which of the following is not an intensive property ?

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Q. The necessary and sufficient condition for equilibrium between two phases is

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Q. The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in

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Q. Heat is added at constant temperature in an ideal __________ cycle.

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Q. Pick out the correct equation relating 'F' and 'A'.

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Q. In a reversible process

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Q. Cᵥ for an ideal gas

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Q. The amount of heat required to decompose a compound into its elements is __________ the heat of formation of that compound from its elements.

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Q. For a constant volume process

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Q. In case of the decomposition of hydroiodic acid (2HI ↔ H₂ + I₂), addition of H₂ (at equilibrium condition) will

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Q. In any spontaneous process, the __________ free energy decreases.

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