Thermodynamics for Chemical Mcqs


Q.  Entropy is a measure of the _____________ of a system?

a. Disorder
b. Orderly behaviour
c. Temperature changes only
d. None of these


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Degrees of freedom at triple point will be______________?
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MCQs:  Free energy___________________?
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MCQs:  Answer: Option B 392. Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to _____________ °C?
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MCQs:  The change in Gibbs free energy for vaporisation of a pure substance is___________________?
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MCQs:  In any spontaneous process, ?
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MCQs:  The partial pressure of each constituent present in an alloy is _____________ the total vapor pressure exerted by the alloy?
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MCQs:  In which of the following reaction equilibrium, the value of equilibrium constant Kp will be more than is Kc ?
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MCQs:  In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when_______________?
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MCQs:  A/an ____________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor?
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MCQs:  Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor) ?
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MCQs:  (∂E/∂T)V is the mathematical expression for____________________?
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MCQs:  Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and temperature ____________ as its mole fraction increases?
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MCQs:  Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants) ?
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MCQs:  dW and dq are not the exact differential, because q and W are__________________?
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MCQs:  The expression for entropy change given by, ΔS = – nR ln (P2/P1), holds good for___________________?
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MCQs:  PVγ = Constant (where, γ = Cp/Cv) is valid for a/an ______________ process?
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MCQs:  Heat is added at constant pressure in an ideal _____________ cycle?
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MCQs:  For the reversible exothermic reaction, N2 + 3H2 ⇌ 2NH3, increase of pressure would________________?
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MCQs:  The free energy change for a chemical reaction is given by (where, K = equilibrium constant)________________?
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MCQs:  For a real gas, the chemical potential is given by_____________________?
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