Thermodynamics for Chemical Mcqs

Q.  “Law of corresponding states” says that___________________?

a. Two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same
b. The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at the critical temperature
c. No gas can be liquefied above the critical temperature, howsoever high the pressure may be.
d. The molar heat of energy of gas at constant volume should be nearly constant (about 3 calories)


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MCQs:  No work is done by the system, when a reaction occurs at constant__________________?
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MCQs:  Joule-Thomson Co-efficient at any point on the inversion curve is___________________?
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MCQs:  At absolute zero temperature, the _____________ of the gas is zero?
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MCQs:  For a constant volume process_________________?
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MCQs:  Fundamental principle of refrigeration is based on the ______________ law of thermodynamics?
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MCQs:  Entropy change in case of reversible adiabatic process is________________?
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MCQs:  Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?
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MCQs:  Gases are cooled in Joule-Thomson expansion, when it is _____________ inversion temperature?
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MCQs:  The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?
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MCQs:  In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is_______________?
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MCQs:  Which of the following is a thermodynamic property of a system ?
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MCQs:  As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches_______________________?
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MCQs:  PVy = constant, holds good for an isentropic process, which is_________________?
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MCQs:  With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?
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MCQs:  The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be _______________?
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MCQs:  Boyle’s law for gases states that____________________?
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MCQs:  Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called ____________ solutions?
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MCQs:  A system in which there is exchange of energy but not of mass, is called a/an ____________ system?
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MCQs:  In a reversible process__________________?
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MCQs:  Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a __________________?
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