Chemical Engineering Thermodynamics If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal. -55.2 -30.2 -19.4 55.2 -55.2 -30.2 -19.4 55.2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Negative Zero Positive May be positive or negative Negative Zero Positive May be positive or negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy, which is a measure of the disorder of a system is Zero at absolute zero temperature for a perfect crystalline substance Independent of temperature All of these Independent of pressure Zero at absolute zero temperature for a perfect crystalline substance Independent of temperature All of these Independent of pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Van Laar equation deals with the activity co-efficients in Azeotropic mixture only Ternary solutions Binary solutions None of these Azeotropic mixture only Ternary solutions Binary solutions None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Work done in case of free expansion is Zero Indeterminate None of these Negative Zero Indeterminate None of these Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Clayperon equation deals with the Rate of change of vapour pressure with temperature Temperature dependence of heat of phase transition Effect of an inert gas on vapour pressure Calculation of ΔF for spontaneous phase change Rate of change of vapour pressure with temperature Temperature dependence of heat of phase transition Effect of an inert gas on vapour pressure Calculation of ΔF for spontaneous phase change ANSWER DOWNLOAD EXAMIANS APP
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