Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Cooling Simultaneous pressure & temperature change Both B and C Heating Cooling Simultaneous pressure & temperature change Both B and C Heating ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as C = P - F + 2 P + F - C = 2 F = C - P - 2 P = F - C - 2 C = P - F + 2 P + F - C = 2 F = C - P - 2 P = F - C - 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which law of the thermodynamics provids basis for measuring the thermodynamic property? Third law Zeroth law Second law First law Third law Zeroth law Second law First law ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Second law of thermodynamics is concerned with the Non-cyclic processes only Irreversible processes only Direction of energy transfer Amount of energy transferred Non-cyclic processes only Irreversible processes only Direction of energy transfer Amount of energy transferred ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The total change in the enthalpy of a system is independent of the Number of intermediate chemical reactions involved Pressure and temperature None of these State of combination and aggregation in the beginning and at the end of the reaction Number of intermediate chemical reactions involved Pressure and temperature None of these State of combination and aggregation in the beginning and at the end of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy at constant pressure and temperature under equilibrium conditions is ∞ Maximum Minimum ∞ Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP
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