Question: Question 8 The real gas property changes can be reliably computed using departure functions. A) A vapour at 2.5 MPa and 600K is expanded across

Question 8 The real gas property changes can be reliably computed

Question 8 The real gas property changes can be reliably computed using departure functions. A) A vapour at 2.5 MPa and 600K is expanded across an adiabatic throttling valve to 0.10MPa and 520K. For vapour ideal gas constant pressure heat capacity of 45J/molK, calculate the enthalpy departure at inlet condition [5 marks] B) Ammonia gas is isothermally compressed from 1Pa,446K to 22.7MPa,446K. Calculate the change in the molar Gibbs free energy [14 marks] Data: Departure charts are provided Ammonia gas properties: TC=405.6K;PC=112.8 bars; Cp=27.32J/molK

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