Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are NH₃ or CO₂ Freon-12 Ethyl chloride or methyle chloride Propane NH₃ or CO₂ Freon-12 Ethyl chloride or methyle chloride Propane ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The energy of activation of exothermic reaction is Not possible to predict Negative Zero Very large compared to that for en-dothermic reaction Not possible to predict Negative Zero Very large compared to that for en-dothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation. Gibbs-Duhem Clayperon Maxwell's None of these Gibbs-Duhem Clayperon Maxwell's None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of Temperature, pressure, liquid composition xi and vapour composition yi Temperature only Temperature and pressure only Temperature, pressure and liquid composition xi only Temperature, pressure, liquid composition xi and vapour composition yi Temperature only Temperature and pressure only Temperature, pressure and liquid composition xi only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The absolute entropy for all crystalline substances at absolute zero temperature is More than zero Zero Negative Indeterminate More than zero Zero Negative Indeterminate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The number of degrees of freedom for an azeotropic mixture in a two component vapour-liquid equilibria is/are Zero Three Two One Zero Three Two One ANSWER DOWNLOAD EXAMIANS APP
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