Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Cooling of a substance Reversible isothermal volume change Heating of a substance Simultaneous heating and expansion of an ideal gas Cooling of a substance Reversible isothermal volume change Heating of a substance Simultaneous heating and expansion of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be Halved One fourth of its original value Doubled Same Halved One fourth of its original value Doubled Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process. Adiabatic None of these Isothermal Isobaric Adiabatic None of these Isothermal Isobaric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the atomic heat capacities of all solid elements Decreases linearly Remains unchanged Increases Decreases Decreases linearly Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During heating of an ideal gas Under reversible isothermal volume change With pressure changes at constant temperature During cooling of an ideal gas During heating of an ideal gas Under reversible isothermal volume change With pressure changes at constant temperature During cooling of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the degree of freedom for a system comprising liquid water equilibrium with its vapour? 0 2 3 1 0 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
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