Chemical Engineering Thermodynamics What is the value of ln y (where y = activity co-efficient) for ideal gases? Unity Infinity Negative Zero Unity Infinity Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change for an irreversible isolated system is < 0 > 0 ∞ < 0 > 0 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c. 100 50 205 200 100 50 205 200 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 Joule-Thomson effect Gibbs-Helmholtz equation Third law of thermodynamics Gibbs-Duhem equation Joule-Thomson effect Gibbs-Helmholtz equation Third law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is affected by the temperature? Activity co-efficient Free energy Fugacity All of these Activity co-efficient Free energy Fugacity All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which is not constant for an ideal gas? (∂P/∂V)T All of these (∂V/∂T)P (∂P/∂V)V (∂P/∂V)T All of these (∂V/∂T)P (∂P/∂V)V ANSWER DOWNLOAD EXAMIANS APP