Chemical Engineering Thermodynamics For spontaneous changes in an isolated system (S = entropy) Ds = Constant Ds = 0 Ds > 0 Ds <0 Ds = Constant Ds = 0 Ds > 0 Ds <0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure All of these Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cv is given by (∂V/∂T)P (∂E/∂P)V (∂E/∂T)V (∂E/∂V)T (∂V/∂T)P (∂E/∂P)V (∂E/∂T)V (∂E/∂V)T ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always < 1 < 3 > 2 > 1 < 1 < 3 > 2 > 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Melting of wax is accompanied with __________ in entropy. No change Increase None of these Decrease No change Increase None of these Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not affected by temperature changes? Free energy Fugacity Activity co-efficient None of these Free energy Fugacity Activity co-efficient None of these ANSWER DOWNLOAD EXAMIANS APP