Thermodynamics for Chemical Mcqs

Q.  In case of a close thermodynamic system, there is ______________ across the boundaries?

a. No heat and mass transfer
b. No mass transfer but heat transfer
c. Mass and energy transfer
d. None of these


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by____________________?
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MCQs:  In the decomposition of PCl5 represented by, PCl5 ⇌ PCl3 + Cl2, decrease in the pressure of the system will _____________ the degree of dissociation of PCl5?
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MCQs:  Pick out the correct equation relating ‘F’ and ‘A’___________________?
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MCQs:  A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be _____________ litres?
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MCQs:  For an ideal gas, the activity co-efficient is_________________?
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MCQs:  In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible _____________ process?
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MCQs:  “If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them”. This is ______________ law?
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MCQs:  A gas can be liquefied by pressure alone only, when its temperature is _____________ its critical temperature?
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MCQs:  Heat is added at constant temperature in an ideal ______________ cycle?
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MCQs:  Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of______________?
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MCQs:  Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the_______________?
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MCQs:  Which of the following has the least thermal efficiency ?
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MCQs:  The point at which all the three (solid, liquid and gas) phases co-exist, is known as the ____________ point?
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MCQs:  Specific volume of an ideal gas is____________________?
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MCQs:  Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture ______________ calorimeter is not used for measuring the dryness fraction of steam?
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MCQs:  The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of _____________ and COP are the same?
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MCQs:  The specific heat of saturated water vapour at 100°C is__________________?
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MCQs:  An isentropic process is carried out at constant____________________?
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MCQs:  Entropy is a measure of the _____________ of a system?
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MCQs:  If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as__________________?
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