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 Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour. None of these Superheated Desuperheated Non-condensable None of these Superheated Desuperheated Non-condensable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal. -19.4 -30.2 55.2 -55.2 -19.4 -30.2 55.2 -55.2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics High pressure steam is expanded adiabati-cally and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process: Δ H ≠ 0 and ΔS = 0 Δ H = 0 and ΔS = 0 Δ H = 0 and ΔS ≠ 0 Δ H ≠ 0 and ΔS ≠ 0 Δ H ≠ 0 and ΔS = 0 Δ H = 0 and ΔS = 0 Δ H = 0 and ΔS ≠ 0 Δ H ≠ 0 and ΔS ≠ 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements. Greater than Less than Different than The same Greater than Less than Different than The same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature. At Below Above Either B or C At Below Above Either B or C ANSWER DOWNLOAD EXAMIANS APP
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