Name: Rawon Sanad Problem 1: [20% ] Show complete steps of your solution بیگی 1) [10% ] Determine the enthalpy change and the entropy change of CO2 per unit mass as

it undergoes a change of state from 365 K and 14.78 MPa to 380 K and 22.17 MPa, by accounting for the deviation from ideal-gas behavior. Using Zn Name: Te/nit undergoes deviation Rawan Sanad Name: 2) [10% ] A mixture of gases consists of 30 kg of oxygen, 60 kg of carbon dioxide, and 10 kg of This mixture is maintained at 120 kPa and 37°C. Determine the following a) The mole fraction of oxygen b) The mole fraction of carbon dioxide c) The partial pressure of helium d) The apparent molecular weight of this mixture e) The volume of the mixture