Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for 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 Heating of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Change of state namely evaportation condensation, freezing and melting is an __________ process. Isochoric Adiabatic Isothermal Isobaric Isochoric Adiabatic Isothermal Isobaric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an ideal refrigeration cycle, the change in internal energy of the fluid is -ve Either of the above three ; depends on the nature of refrigerant +ve -ve Either of the above three ; depends on the nature of refrigerant +ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is None of these 1 ∞ None of these 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Zero May be positive or negative Positive Negative Zero May be positive or negative Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics (∂T/∂P)H is the mathematical expression for Specific heat at constant pressure (Cp) None of these Joule-Thompson co-efficient Specific heat at constant volume (Cv) Specific heat at constant pressure (Cp) None of these Joule-Thompson co-efficient Specific heat at constant volume (Cv) ANSWER DOWNLOAD EXAMIANS APP
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