Chemical Engineering Thermodynamics The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is R loge 4 R log10 4 Cv loge 4 Cv log10 4 R loge 4 R log10 4 Cv loge 4 Cv log10 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U and S both decreases U decreases but S is constant U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U and S both decreases U decreases but S is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Sound waves propagation in air exemplifies an __________ process. Adiabatic None of these Isometric Isothermal Adiabatic None of these Isometric Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Duringthe phase transition, __________ changes. Pressure All of these Volume Temperature Pressure All of these Volume Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants) (atm)Δx, when Δx is negative (atm)Δx2, when Δx > 0 (atm)Δx, when Δx is positive Dimensionless, when Δx = 0 (atm)Δx, when Δx is negative (atm)Δx2, when Δx > 0 (atm)Δx, when Δx is positive Dimensionless, when Δx = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity and pressure are numerically not equal for the gases At standard state Both A and B In ideal state At low temperature and high pressure At standard state Both A and B In ideal state At low temperature and high pressure ANSWER DOWNLOAD EXAMIANS APP
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