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Chemical Engineering · all questions

Chemical Engineering Thermodynamics
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When dilute aqueous solutions of two salts are mixed, the process is associated with

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A system is said to be isopiestic, if there is no __________ change.

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The third law of thermodynamics states that the

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Cp of a gas at its critical temperature and pressure

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Heat of reaction at constant volume is identified with __________ change.

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Change of state namely evaportation condensation, freezing and melting is an __________ process.

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The most important application of distribution law is in

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The energy of activation of exothermic reaction is

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The equation Tds = dE - PdV applies to

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In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be

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The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is

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

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If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.

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At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is

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Free energy change of mixing two liquid substances is a function of the

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For an ideal solution, the value of activity co-efficient is

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The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.

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A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.

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During Joule-Thomson expansion of gases

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The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is

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