Chemical Engineering Thermodynamics In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂? < - 94 kcal > -94 kcal Zero -94 kcal < - 94 kcal > -94 kcal Zero -94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It is isenthalpic It takes place at constant volume It takes place isothermally It is exothermic It is isenthalpic It takes place at constant volume It takes place isothermally It is exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of an ideal gas is a function of its __________ only. Pressure Temperature Molecular size Volume Pressure Temperature Molecular size Volume ANSWER DOWNLOAD EXAMIANS APP
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-Helmholtz equation Gibbs-Duhem equation Third law of thermodynamics Joule-Thomson effect Gibbs-Helmholtz equation Gibbs-Duhem equation Third law of thermodynamics Joule-Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics PVy = constant, holds good for an isentropic process, which is Reversible and isothermal Isothermal and irreversible Reversible and adiabatic Adiabatic and irreversible Reversible and isothermal Isothermal and irreversible Reversible and adiabatic Adiabatic and irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In Joule-Thomson porous plug experiment, the Temperature remains constant None of these Enthalpy does not remain constant Entire apparatus is exposed to surroundings Temperature remains constant None of these Enthalpy does not remain constant Entire apparatus is exposed to surroundings ANSWER DOWNLOAD EXAMIANS APP