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 Cv loge 4 Cv log10 4 R log10 4 R loge 4 Cv loge 4 Cv log10 4 R log10 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature. Minus infinity Zero Infinity None of these Minus infinity Zero Infinity None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic compression? Heating occurs Cooling occurs Temperature is constant Pressure is constant Heating occurs Cooling occurs Temperature is constant Pressure is constant 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 Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling process is a/an __________ process. Reversible and constant enthalpy Reversible and constant entropy Reversible and isothermal Irreversible and constant enthalpy Reversible and constant enthalpy Reversible and constant entropy Reversible and isothermal Irreversible and constant enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change for an irreversible isolated system is < 0 ∞ > 0 < 0 ∞ > 0 ANSWER DOWNLOAD EXAMIANS APP
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