Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Cooling of a real gas Reversible isothermal volume change Heating of an ideal gas Expansion of a real gas Cooling of a real gas Reversible isothermal volume change Heating of an ideal gas Expansion of a real gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 1m³ of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be 35 K 154 K 174 K 274 K 35 K 154 K 174 K 274 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, nCv(T₂ - T₁), is for the __________ of an ideal gas. None of these Compressibility Co-efficient of thermal expansion Work done under adiabatic condition None of these Compressibility Co-efficient of thermal expansion Work done under adiabatic condition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy at constant pressure and temperature under equilibrium conditions is Minimum Maximum ∞ Minimum Maximum ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Pressure is constant Cooling takes place Temperature is constant Heating takes place Pressure is constant Cooling takes place Temperature is constant Heating takes place ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Cooling Heating Both B and C Simultaneous pressure & temperature change Cooling Heating Both B and C Simultaneous pressure & temperature change ANSWER DOWNLOAD EXAMIANS APP
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