Thermodynamics for Chemical Mcqs

Q.  _____________ law of thermodynamics ascertains the direction of a particular spontaneous process?

a. Zeroth
b. First
c. Second
d. Third


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MCQs:  The expression, nCv(T2 – T1), is for the _____________ of an ideal gas?
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MCQs:  Specific/molar Gibbs free energy for a pure substance does not change during________________?
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MCQs:  4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is_________________?
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MCQs:  One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one ________________?
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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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