Chemical Engineering Thermodynamics In any spontaneous process, the __________ free energy decreases. Both of the listed here Helmholtz Gibbs Neither A nor B Both of the listed here Helmholtz Gibbs Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics No work is done by the system, when a reaction occurs at constant Temperature Pressure Volume None of these Temperature Pressure Volume None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. High thermal conductivity High viscosity Low freezing point Large latent heat of vaporisation High thermal conductivity High viscosity Low freezing point Large latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Heating of a substance Cooling of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Heating of a substance Cooling of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is true for Virial equation of state? For some gases, Virial equations and ideal gas equations are the same Virial co-efficients are universal constants Virial co-efficients are function of temperature only Virial co-efficients For some gases, Virial equations and ideal gas equations are the same Virial co-efficients are universal constants Virial co-efficients are function of temperature only Virial co-efficients ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is Virial equation of state? (p + a/V²)(V - b) = nRT PV = nRT PV = A + B/V + C/V² + D/V³ + … None of these (p + a/V²)(V - b) = nRT PV = nRT PV = A + B/V + C/V² + D/V³ + … None of these ANSWER DOWNLOAD EXAMIANS APP
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