Chemical Engineering Thermodynamics When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the Gibbs-Duhem equation Third law of thermodynamics Gibbs-Helmholtz equation Joule-Thomson effect Gibbs-Duhem equation Third law of thermodynamics Gibbs-Helmholtz equation Joule-Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Expands Contracts Does not change in volume Either A, B or C Expands Contracts Does not change in volume Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at None of these High pressure & low temperature Low pressure & high temperature Low pressure & low temperature None of these High pressure & low temperature Low pressure & high temperature Low pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The first law of thermodynamics is a restatement of the law of conservation of None of these Energy Mass Momentum None of these Energy Mass Momentum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an ideal gas mixture, fugacity of a species is equal to its Vapor pressure None of these Chemical potential Partial pressure Vapor pressure None of these Chemical potential Partial pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by Decrease in enthalpy corresponding to evolution of heat Decrease of entropy No change in enthalpy Increase in enthalpy corresponding to absorption of heat Decrease in enthalpy corresponding to evolution of heat Decrease of entropy No change in enthalpy Increase in enthalpy corresponding to absorption of heat ANSWER DOWNLOAD EXAMIANS APP