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
Chemical Engineering Thermodynamics In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is Same More Unpredictable; depends on the particular reaction Less Same More Unpredictable; depends on the particular reaction Less ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a close thermodynamic system, there is __________ across the boundaries. No heat and mass transfer No mass transfer but heat transfer Mass and energy transfer None of these No heat and mass transfer No mass transfer but heat transfer Mass and energy transfer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole . °K 100 ∞ 50 100 ∞ 50 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During cooling of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During heating of an ideal gas During cooling of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During heating of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal liquid solution, which of the following is unity? Activity co-efficient Fugacity Fugacity co-efficient Activity Activity co-efficient Fugacity Fugacity co-efficient Activity ANSWER DOWNLOAD EXAMIANS APP