Q. A change in state involving a decrease in entropy can be spontaneous, only if

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Q. __________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low.

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Q. Specific volume of an ideal gas is

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Q. Pick out the extensive property out of the following.

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Q. Entropy change of the reaction, H₂O(liquid) → H₂O(gas), is termed as the enthalpy of

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Q. Which law of the thermodynamics provids basis for measuring the thermodynamic property ?

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Q. Gibbs free energy per mole for a pure substance is equal to the

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Q. Free energy change of mixing two liquid substances is a function of the

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Q. Pick out the wrong statement.

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Q. The total change in the enthalpy of a system is independent of the

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Q. Number of phases in a colloidal system are

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Q. Free energy changes for two reaction mechanism 'X' and 'Y' are respectively - 15 and - 5 units. It implies that X is

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Q. The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is

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Q. The unit of fugacity is the same as that of the

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Q. Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

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Q. A large iceberg melts at the base, but not at the top, because of the reason that

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Q. At the critical point of a substance

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Q. A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then(where, Δ S₁ and Δ Sʀ are the entropy changes of the system for the irreversible and reversible processes respectively)

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Q. What is the value of Joule-Thomson co-efficient for an ideal gas ?

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Q. A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P1 and P2.(where, P1 and P2 are initial and final pressures respectively)

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