Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During heating of an ideal gas With pressure changes at constant temperature During cooling of an ideal gas Under reversible isothermal volume change During heating of an ideal gas With pressure changes at constant temperature During cooling of an ideal gas Under reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition. Internal energy Gibbs free energy Enthalpy Helmholtz free energy Internal energy Gibbs free energy Enthalpy Helmholtz free energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Consider the reaction, C + O₂ ⇋ CO₂ ;ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂? < -94 kcal + 94 kcal -94 kcal > 94 kcal < -94 kcal + 94 kcal -94 kcal > 94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is Partially condensed vapour with quality of 0.9 Superheated vapour Saturated vapour Partially condensed vapour with quality of 0.1 Partially condensed vapour with quality of 0.9 Superheated vapour Saturated vapour Partially condensed vapour with quality of 0.1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a working refrigerator, the value of COP is always < 1 > 1 < 0 < 1 > 1 < 0 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 Simultaneous heating and expansion of an ideal gas Reversible isothermal volume change Heating of a substance Cooling of a substance Simultaneous heating and expansion of an ideal gas Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
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