Q. Hess's law of constant heat summation is based on conservation of mass. It deals with

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Q. Percentage saturation of a vapor bearing gas is always __________ the relative saturation.

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Q. Cᵨ is expressed in S.I. unit as

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Q. What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively ?

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Q. 1 kg/cm² is equal to

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Q. An azeotropic solution of two liquids has boiling point lower than either of them, when it

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Q. For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become

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Q. One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The latent heat of condensation (kJ/kg⁻¹ ) under these conditions is

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Q. Weight of 56 litres of ammonia at N.T.P. is __________ gm.

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Q. Concentration of a solution expressed in terms of __________ is independent of temperature.

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Q. The average translational kinetic energy with which a gas molecule is endowed is dependent on its

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Q. The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.

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Q. Heat of __________ of a fuel is called its calorific value.

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Q. Recycling in a chemical process facilitates

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Q. Kinetic theory of gases stipulates that, the

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Q. Solutions having the same osmotic pressure are called __________ solutions.

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Q. One micron is equal to __________ cm.

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Q. A vapor that exists above its critical temperature is termed as a __________ vapor.

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Q. Colligative properties of a dilute solution are those which depend entirely upon the

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Q. For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction).

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