Q. Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the

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Q. For an ideal gas, the internal energy depends upon its __________ only.

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Q. In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂?

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Q. For a constant volume process __________ by the system is used only to increase the internal energy.

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Q. When a system is in equilibrium for all possible processes, the differential or finite change of entropy is

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Q. A system is said to be at equilibrium, if the entropy of the system has reached __________ value.

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Q. In the equation, PVⁿ = constant, if the value of n = ± ∞, then it represents a reversible __________ process.

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Q. The variation of heat of reaction with temperature at constant pressure is given by the __________ law.

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Q. At absolute zero temperature, the __________ of the gas is zero.

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Q. Which of the following equations is used for the prediction of activity co-efficient from experiments ?

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Q. Entropy of a substance remains constant during a/an __________ change.

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Q. Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.

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Q. PVʸ = constant, holds good for an isentropic process, which is

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Q. Which of the following behaves most closely like an ideal gas ?

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Q. Compound having large heat of formation is

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Q. Second law of thermodynamics is concerned with the

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Q. The third law of thermodynamics states that the

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Q. Consider the reaction, C + O₂ ↔ CO₂ ;ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂ ?

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Q. Which is a state function ?

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Q. For an ideal liquid solution, which of the following is unity ?

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