Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Remains unchanged Increases Decreases linearly Decreases Remains unchanged Increases Decreases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is used for the prediction of activity co-efficient from experiments? Margules equation Van Laar equation All of these Wilson's equation Margules equation Van Laar equation All of these Wilson's equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as Solubility increases as temperature increases Solubility is independent of temperature Solubility increases as temperature decreases Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility increases as temperature increases Solubility is independent of temperature Solubility increases as temperature decreases Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ does not change during phase transformation processes like sublimation, melting & vaporisation. Entropy Internal energy All of these Gibbs free energy Entropy Internal energy All of these Gibbs free energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as P + F - C = 2 P = F - C - 2 F = C - P - 2 C = P - F + 2 P + F - C = 2 P = F - C - 2 F = C - P - 2 C = P - F + 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches Unity Infinity Zero That of the heat of reaction Unity Infinity Zero That of the heat of reaction ANSWER DOWNLOAD EXAMIANS APP
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