Q321
Open questionHess's law of constant heat summation is based on conservation of mass. It deals with
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Stoichiometry
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Q322
Open questionExcept for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.
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Q323
Open questionAddition of a non-volatile solute to a solvent produces a __________ in its solvent.
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Q324
Open questionThe temperature at which a real gas obeys Boyle's law is termed as the
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Q325
Open questionA vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor.
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Q326
Open questionThe osmotic pressure of a solution is directly proportional to the
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Q327
Open questionAt a temperature of 0°K, the molecules of a gas have only __________ energy.
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Q328
Open questionRaoult's law is not applicable to the
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Q329
Open questionWhich of the following is not a colligative property?
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Q330
Open questionThe value of Trouton's ratio for a number of substances is 21 (where, = molal that of vaporisation of a substance at its normal boiling point, kcal/kg.mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids.
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Q331
Open questionThe total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes. This is the __________ law.
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Q332
Open questionS.T.P. corresponds to
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Q333
Open questionThe vapor pressures of benzene and toluene are 3 and atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is
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Q334
Open questionRaoult's law states that 'the equilibrium vapor pressure that is exerted by a component in a solution is proportional to the mole fraction of that component'. This generalisation is based on the assumption that the
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Q335
Open questionKopp's rule is useful for the determination of
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Q336
Open questionHeat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 × 10-3 T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to -100°C is
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Q337
Open questionA sugar solution containing __________ percent sugar is equivalent to 1 Brix.
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Q338
Open questionMethane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is
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Q339
Open questionThe heat of solution depends upon the
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Q340
Open questionA butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be
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