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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Q. The gas law (PV = RT) is true for an __________ change.

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Q. Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.

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Q. As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is

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Q. An irreversible process

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Q. The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process.

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Q. Joule-Thomson co-efficient depends on the

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Q. Gibbs free energy at constant pressure and temperature under equilibrium conditions is

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Q. With increase in pressure (above atmospheric pressure), the Cp of a gas

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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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