Thermodynamics for Chemical Mcqs

Q.  Air-refrigeration cycle________________?

a. Is the most efficient of all refrigeration cycles
b. Has very low efficiency
c. Requires relatively large quantities of air to achieve a significant amount of refrigeration
d. Both B. and C


ANSWER: See Answer
 
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MCQs:  The second law of thermodynamics states that___________________?
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MCQs:  A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be _____________ c.c?
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MCQs:  The energy of activation of exothermic reaction is_________________?
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MCQs:  Which of the following is not a common refrigerant ?
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MCQs:  Sublimation temperature of dry ice (solid CO2) is ____________ °C?
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MCQs:  A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is________________?
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MCQs:  During a reversible isothermal expansion of an ideal gas, the entropy change is_________________?
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MCQs:  The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the _____________ equation?
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MCQs:  A domestic refrigerator has a/an ____________ cooled condenser?
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MCQs:  The equilibrium constant for a chemical reaction at two different temperatures is given by__________________?
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MCQs:  During Joule-Thomson expansion of gases_________________?
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MCQs:  The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is________________?
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MCQs:  Joule-Thomson co-efficient is defined as__________________?
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MCQs:  Gibbs free energy per mole for a pure substance is equal to the__________________?
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MCQs:  All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?
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MCQs:  Out of the following refrigeration cycles, which one has maximum COP ?
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MCQs:  In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v23 m3) is maximum, when the value of ‘n’ is_________________?
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MCQs:  Which of the following is true for Virial equation of state ?
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MCQs:  The gas law (PV = RT) is true for an ______________ change?
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MCQs:  The work done in isothermal compression compared to that in adiabatic compression will be__________________?
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