Q. Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is

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Q. Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which

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Q. Enthalpy 'H' is defined as

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Q. One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one

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Q. __________ functions are exemplified by heat and work.

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Q. The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the __________ temperature.

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Q. If the molar heat capacities (Cᵨ or Cᵥ) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will

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Q. All gases above its inversion temperature, in a throttling process will show

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Q. First law of thermodynamics is mathematically stated as

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Q. Pick out the wrong statement.

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Q. Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas )

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Q. Equation which relates pressure, volume and temperature of a gas is called the

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Q. Claussius-Clayperon equation gives accurate result, when the

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Q. The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called __________ temperature.

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Q. The expression for entropy change, ΔS = n Cp . ln (T₂/T1), is valid for the __________ of a substance.

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Q. Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas.

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Q. The free energy change for a chemical reaction is given by (where, K = equilibrium constant)

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Q. Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature.

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Q. In the reaction, H₂ + I₂ ↔ 2HI, addition of an inert gas will

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Q. What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor ?

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