Thermodynamics for Chemical Mcqs

Q.  The enthalpy change when ammonia gas is dissolved in water is called the heat of___________________?

a. Solution
b. Formation
c. Dilution
d. Combustion


ANSWER: See Answer
 
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MCQs:  In any spontaneous process, the ______________ free energy decreases ?
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MCQs:  At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is__________________?
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MCQs:  What is the value of Joule-Thomson co-efficient for an ideal gas ?
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MCQs:  If atmospheric temperature and dew point are nearly equal, then the relative humidity is_______________?
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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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