Thermodynamics for Chemical Mcqs

Q.  The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 – T2)/T1. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T1 and T2 is given by__________________?

a. T1/(T1-T2)
b. T2/(T1-T2)
c. T1/T2
d. T2/R1


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. Specific heat of block material is 0.4 kJ.kg-1. K-1. Ignoring the effect of expansion and contraction and also the heat capacity to tank, the total entropy change in kJ.kg-1, K-1 is_________________?
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MCQs:  In the reaction, H2 +I2 ⇌ 2HI, addition of an inert gas will___________________?
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MCQs:  Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas)__________________?
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MCQs:  is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions ?
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MCQs:  The four properties of a system viz. P, V, T, S are related by ______________ equation?
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MCQs:  Clausius-Clapeyron equation is applicable to _____________ equilibrium processes?
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MCQs:  During the phase transition, _______________ changes?
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MCQs:  The activity of an ideal gas is numerically ____________ its pressure?
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MCQs:  Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be___________________?
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MCQs:  Claude gas liquefaction process employs cooling___________________?
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MCQs:  Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?
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MCQs:  Change of state namely evaporation condensation, freezing and melting is an _______________ process?
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MCQs:  ________________ decreases during adiabatic throttling of a perfect gas?
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MCQs:  The first law of thermodynamics is a restatement of the law of conservation of_________________?
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MCQs:  A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?
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MCQs:  The unit of equilibrium constant of a chemical reaction is the same as that of__________________?
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MCQs:  The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is_________________?
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MCQs:  (∂H/∂T)P is the mathematical expression for____________________?
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MCQs:  With increase in temperature, the internal energy of a substance___________________?
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MCQs:  All gases above its inversion temperature, in a throttling process will show__________________?
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