Thermodynamics for Chemical Mcqs


Q.  In a working refrigerator, the value of COP is always__________________?

a. 0
b. 0
c. < 1
d. > 1


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  _____________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low?
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MCQs:  The necessary condition for phase equilibrium in a multiphase system of N components is that the____________________?
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MCQs:  The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by_________________?
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MCQs:  Entropy of a substance remains constant during a/an ____________ change?
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MCQs:  With increase in compression ratio, the efficiency of the otto engine________________?
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MCQs:  When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is__________________?
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MCQs:  In case of a close thermodynamic system, there is ______________ across the boundaries?
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MCQs:  A refrigerator may be termed as a____________________?
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MCQs:  Adiabatic compression of a saturated water vapour makes it ____________________ ?
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MCQs:  In case of an _______________ process, the temperature of the system increases?
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MCQs:  Free energy change of mixing two liquid substances is a function of the__________________?
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MCQs:  Gibbs-Helmholtz equation is__________________?
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MCQs:  The equation, PV = nRT, is best obeyed by gases at____________________?
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MCQs:  Heat of reaction at constant volume is identified with _____________ change?
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MCQs:  The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?
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MCQs:  Which of the following is not an intensive property ?
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MCQs:  Van Laar equation deals with the activity co-efficients in___________________?
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MCQs:  The extensive properties are____________________?
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MCQs:  In an ideal gas mixture, fugacity of a species is equal to its___________________?
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MCQs:  A large iceberg melts at the base, but not at the top, because of the reason that_________________?
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