Chemical Engineering Thermodynamics The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by Increase in enthalpy corresponding to absorption of heat Decrease of entropy Decrease in enthalpy corresponding to evolution of heat No change in enthalpy Increase in enthalpy corresponding to absorption of heat Decrease of entropy Decrease in enthalpy corresponding to evolution of heat No change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is May be positive or negative Negative Positive Zero May be positive or negative Negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Simultaneous heating and expansion of an ideal gas Heating of a substance Cooling of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Heating of a substance Cooling of a substance Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 ⇋ PCl3 + Cl₂.Degree of dissociation of PCl5 will Increase on addition of an inert gas at constant pressure Decrease on increasing the pressure of the system None of these Decrease on addition of Cl₂ Increase on addition of an inert gas at constant pressure Decrease on increasing the pressure of the system None of these Decrease on addition of Cl₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure Remains same Decreases linearly Increases Decreases Remains same Decreases linearly Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Any substance above its critical temperature exists as Liquid Solid Saturated vapour Gas Liquid Solid Saturated vapour Gas ANSWER DOWNLOAD EXAMIANS APP
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