Chemical Engineering Thermodynamics For a constant volume process __________ by the system is used only to increase the internal energy. Neither A nor B Work done Both A & B Heat absorbed Neither A nor B Work done Both A & B Heat absorbed ANSWER DOWNLOAD EXAMIANS APP
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 10373 4988.4 4364.9 30554 10373 4988.4 4364.9 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K ) Tb/λb λb/Tb √(λb/Tb) √(Tb/λb) Tb/λb λb/Tb √(λb/Tb) √(Tb/λb) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂S/∂P)T = -(∂V/∂T)P (∂V/∂S)P = (∂T/∂P)S (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂S/∂P)T = -(∂V/∂T)P (∂V/∂S)P = (∂T/∂P)S ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it Transfers heat from high temperature to low temperature None of these Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning Transfers heat from high temperature to low temperature None of these Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics No work is done by the system, when a reaction occurs at constant Temperature None of these Volume Pressure Temperature None of these Volume Pressure ANSWER DOWNLOAD EXAMIANS APP