Chemical Engineering Thermodynamics At the critical point of a substance Liquid and vapour have the same density There is no distinction between liquid and vapour phases The surface tension vanishes All of these Liquid and vapour have the same density There is no distinction between liquid and vapour phases The surface tension vanishes All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling (Joule-Thomson effect) process is a constant __________ process. Pressure Enthalpy None of these Entropy Pressure Enthalpy None of these Entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the extensive property out of the following. Specific heat Surface tension Free energy Refractive index Specific heat Surface tension Free energy Refractive index ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When dilute aqueous solutions of two salts are mixed, the process is associated with Increase in temperature Decrease in temperature No change in temperature Change in temperature which is a function of composition Increase in temperature Decrease in temperature No change in temperature Change in temperature which is a function of composition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is used for the prediction of activity co-efficient from experiments? Van Laar equation All of these Margules equation Wilson's equation Van Laar equation All of these Margules equation Wilson's equation ANSWER DOWNLOAD EXAMIANS APP
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 55.2 -19.4 -30.2 -55.2 55.2 -19.4 -30.2 ANSWER DOWNLOAD EXAMIANS APP
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