Chemical Engineering Thermodynamics One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is 30554 4988.4 10373 4364.9 30554 4988.4 10373 4364.9 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in Enthalpy Both A & B Volume Neither A nor B Enthalpy Both A & B Volume Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Equilibrium constant decreases as the temperature Decreases, for an exothermic reaction Increases, for an exothermic reaction Increases, for an endothermic reaction None of these Decreases, for an exothermic reaction Increases, for an exothermic reaction Increases, for an endothermic reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp of a gas at its critical temperature and pressure Becomes zero Equals 0.24 kcal/kmol °K Equals 1 kcal/kmol °K Becomes infinity Becomes zero Equals 0.24 kcal/kmol °K Equals 1 kcal/kmol °K Becomes infinity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Contracts Does not change in volume Either A, B or C Expands Contracts Does not change in volume Either A, B or C Expands ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During heating of an ideal gas With pressure changes at constant temperature During cooling of an ideal gas Under reversible isothermal volume change During heating of an ideal gas With pressure changes at constant temperature During cooling of an ideal gas Under reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP