Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change 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 During cooling of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is Partially condensed vapour with quality of 0.1 Superheated vapour Partially condensed vapour with quality of 0.9 Saturated vapour Partially condensed vapour with quality of 0.1 Superheated vapour Partially condensed vapour with quality of 0.9 Saturated vapour 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-Duhem equation Third law of thermodynamics Joule-Thomson effect Gibbs-Helmholtz equation Gibbs-Duhem equation Third law of thermodynamics Joule-Thomson effect Gibbs-Helmholtz equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature. None of these Minus infinity Zero Infinity None of these Minus infinity Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy. Less than Either B or C; depends on the type of alloy More than Equal to Less than Either B or C; depends on the type of alloy More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP