Chemical Engineering Thermodynamics Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature. None of these Infinity Minus infinity Zero None of these Infinity Minus infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp of a gas at its critical temperature and pressure Becomes infinity Equals 1 kcal/kmol °K Becomes zero Equals 0.24 kcal/kmol °K Becomes infinity Equals 1 kcal/kmol °K Becomes zero Equals 0.24 kcal/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an exothremic reaction Both ΔH and ΔE are negative Enthalpy change is zero Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative Both ΔH and ΔE are negative Enthalpy change is zero Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which is not constant for an ideal gas? All of these (∂P/∂V)V (∂P/∂V)T (∂V/∂T)P All of these (∂P/∂V)V (∂P/∂V)T (∂V/∂T)P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. Large latent heat of vaporisation High viscosity High thermal conductivity Low freezing point Large latent heat of vaporisation High viscosity High thermal conductivity Low freezing point 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 More than Either B or C; depends on the type of alloy Equal to Less than More than Either B or C; depends on the type of alloy Equal to ANSWER DOWNLOAD EXAMIANS APP