Chemical Engineering Thermodynamics Charles' law for gases states that V ∝ 1/T V/T = Constant V ∝ 1/P PV/T = Constant V ∝ 1/T V/T = Constant V ∝ 1/P PV/T = Constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Cooling of a real gas Expansion of a real gas Reversible isothermal volume change Heating of an ideal gas Cooling of a real gas Expansion of a real gas Reversible isothermal volume change Heating of an ideal gas 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 Cooling of a substance 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which is not constant for an ideal gas? All of these (∂P/∂V)T (∂V/∂T)P (∂P/∂V)V All of these (∂P/∂V)T (∂V/∂T)P (∂P/∂V)V ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process. Isentropic Polytropic Adiabatic Isothermal Isentropic Polytropic Adiabatic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a spontaneous process, free energy Increases Decreases whereas the entropy increases And entropy both decrease Is zero Increases Decreases whereas the entropy increases And entropy both decrease Is zero ANSWER DOWNLOAD EXAMIANS APP