Thermodynamics for Chemical Mcqs


Q.  There is a change in ______________ during the phase transition?

a. Volume
b. Pressure
c. Temperature
d. All a, b & c


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  During adiabatic expansion of gas___________________?
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MCQs:  What is the degree of freedom for a system comprising liquid water equilibrium with its vapour ?
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MCQs:  In an ideal solution, the activity of a component equals its __________________?
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MCQs:  Which of the following non-flow reversible compression processes require maximum work ?
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MCQs:  Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is_____________________?
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MCQs:  Which of the following is Clausius-Clapeyron Equation for vaporisation of an ideal gas under the condition that the molar volume of liquid is negligible compared to that of the vapor ?
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MCQs:  Cp – Cv = R is valid for ______________ gases?
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MCQs:  If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in____________________?
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MCQs:  Activity co-efficient is a measure of the____________________?
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MCQs:  Fugacity and pressure are numerically equal, when the gas is____________________?
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MCQs:  Third law of thermodynamics is concerned with the__________________?
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MCQs:  Clapeyron Equation deals with the____________________?
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MCQs:  For an ideal gas, the enthalpy__________________?
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MCQs:  Fugacity and pressure are numerically not equal for the gases__________________?
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MCQs:  Work done in an adiabatic process between two states depends on the__________________?
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MCQs:  Which is an example of closed system ?
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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:  The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The numbers of degrees of freedom are ?
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