Thermodynamics for Chemical Mcqs


Q.  The unity of Planck’s constant ‘h’ in the equation, E = hv is____________________?

a. J/s
b. J.S
c. J/kmol
d. kmol/J


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  If an ideal solution is formed by mixing two pure liquids in any proportion, then the ___________________ of mixing is zero?
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MCQs:  The temperature at which both liquid and gas phases are identical, is called the _____________ point?
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MCQs:  Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?
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MCQs:  Joule-Thomson co-efficient for a perfect gas is_____________________?
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MCQs:  Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be__________________?
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MCQs:  In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by___________________?
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MCQs:  What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope ?
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MCQs:  What is the value of ln y (where y = activity co-efficient) for ideal gases ?
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MCQs:  Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the__________________?
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MCQs:  For a single component two phase mixture, the number of independent variable properties are_________________?
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MCQs:  When a gas in a vessel expands, its internal energy decreases. The process involved is________________?
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MCQs:  The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is__________________?
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MCQs:  Enthalpy ‘H’ is defined as___________________?
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MCQs:  A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system________________?
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MCQs:  The chemical potential for a pure substance is ____________ its partial molal free energy?
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MCQs:  The number of degrees of freedom at the triple point of water is__________________?
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MCQs:  In a turbine, the fluid expands almost_________________?
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MCQs:  Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are_______________?
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MCQs:  The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the ____________ temperature?
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MCQs:  Mollier diagram is a plot of___________________?
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