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 4364.9 4988.4 10373 30554 4364.9 4988.4 10373 30554 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an irreversible process Tds - dE + dW< 0 Tds - dT + dW< 0 DE - dW - Tds = 0 Tds = dE - dW = 0 Tds - dE + dW< 0 Tds - dT + dW< 0 DE - dW - Tds = 0 Tds = dE - dW = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claussius-Clayperon equation gives accurate result, when the Volume in the liquid state is negligible compared with that in the vapour state Vapour obeys the ideal gas law and the latent heat of vaporisation is constant All of these Vapour pressure is relatively low and the temperature does not vary over wide limits Volume in the liquid state is negligible compared with that in the vapour state Vapour obeys the ideal gas law and the latent heat of vaporisation is constant All of these Vapour pressure is relatively low and the temperature does not vary over wide limits ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent. 0.5 0.75 1 0.25 0.5 0.75 1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of Temperature and pressure only Temperature, pressure, liquid composition xi and vapour composition yi Temperature only Temperature, pressure and liquid composition xi only Temperature and pressure only Temperature, pressure, liquid composition xi and vapour composition yi Temperature only Temperature, pressure and liquid composition xi only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp - Cv = R is valid for __________ gases. Very high pressure All Ideal Very low temperature Very high pressure All Ideal Very low temperature ANSWER DOWNLOAD EXAMIANS APP