Chemical Engineering Thermodynamics What is the value of ln y (where y = activity co-efficient) for ideal gases? Negative Unity Infinity Zero Negative Unity Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates Easier plotting More accurate plotting Covering of wide range Use of only one graph for all gases Easier plotting More accurate plotting Covering of wide range Use of only one graph for all gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a constant volume process __________ by the system is used only to increase the internal energy. Both A & B Heat absorbed Neither A nor B Work done Both A & B Heat absorbed Neither A nor B Work done ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system are 4 3 5 6 4 3 5 6 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) μ°+ R lnf μ° + R/T lnf μ° + T lnf μ° + RT ln f μ°+ R lnf μ° + R/T lnf μ° + T lnf μ° + RT ln f ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are 2 3 1 2 3 1 ANSWER DOWNLOAD EXAMIANS APP