Thermodynamics for Chemical Mcqs

Q.  The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x1. x2, where A is a constant. The corresponding equation for ln y1, where y1 is the activity co-efficient of component 1, is__________________?

a. A . x22
b. Ax1
c. Ax2
d. Ax12


ANSWER: See Answer
 
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MCQs:  For a reversible process involving only pressure-volume work____________________?
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MCQs:  Gibbs-Duhem equation relates composition in liquid phase and the _____________ at constant temperature & pressure?
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MCQs:  A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is φi yi P = Yi xifi° where, Φ is a vapor fugacity component, Yi is the liquid activity coefficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of ______________________?
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MCQs:  Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is___________________?
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MCQs:  What is the ratio of adiabatic compressibility to isothermal compressibility ?
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MCQs:  Henry’s law is closely obeyed by a gas, when its _____________ is extremely high?
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MCQs:  In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible ______________ process?
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MCQs:  Which of the following is an extensive property of a system ?
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MCQs:  Compressibility factor of a gas is___________________?
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MCQs:  For an incompressible fluid, the _______________ is a function of both pressure as well as temperature?
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MCQs:  When dilute aqueous solutions of two salts are mixed, the process is associated with ___________________?
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MCQs:  For a cyclic process, a fixed ratio between heat and work___________________?
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