Q. The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are

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Q. Cᵨ - Cᵥ = R is valid for __________ gases.

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Q. At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure.

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Q. Which is an example of closed system ?

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Q. "Dry ice" is

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Q. Which of the following non-flow reversible compression processes require maximum work ?

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Q. Pick out the correct statement.

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Q. "When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change." This is called the

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Q. Third law of thermodynamics is helpful in

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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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