Chemical Engineering Thermodynamics Free energy Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes All of these Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes All of these Remains unchanged in reversible processes carried at constant temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c. 200 205 50 100 200 205 50 100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, nCv(T₂ - T₁), is for the __________ of an ideal gas. Co-efficient of thermal expansion Compressibility None of these Work done under adiabatic condition Co-efficient of thermal expansion Compressibility None of these Work done under adiabatic condition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Requisites of a reversible process is that the System and surroundings pressure be equal Friction in the system should be absent System and surroundings temperature be equal None of these System and surroundings pressure be equal Friction in the system should be absent System and surroundings temperature be equal None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm³ and that in vapour phase in 391.1 cm³.Fugacity of water (in kPa) at 9000 kPa will be 6753.5 7058.3 6738.9 9000 6753.5 7058.3 6738.9 9000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Mollier chart is a __________ plot. Temperature vs entropy Pressure vs volume Enthalpy vs entropy Pressure vs enthalpy Temperature vs entropy Pressure vs volume Enthalpy vs entropy Pressure vs enthalpy ANSWER DOWNLOAD EXAMIANS APP