n Q1) A 2.35 mole sample of an ideal gas, for which C,m= 12.5 J K mol,
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Q1) A 2.35 mole sample of an ideal gas, for which C,m= 12.5 J K mol¹, initially a Pa undergoes two-stage transformations. For each of the stages for the following AU and AH. (6 marks) a) The gas is expanded isothermally and reversibly until the volume triples. b) Beginning at the end of the first stage, the temperature is raised to 105 Q2) What was the main goal of Joule's experiment? Do you accept the conclusi work and why? If your answer is NO what was the major source of error in his Q3) Consider a gas obeys the equation of state: [P+7 P= n'a T2(V+nb)_ Calculate the change in internal energy (AU) when 1 mol of the gas is reversib OP V₁ at constant temperature. (Hint: - P) (6 marks) OT 5v-nb - nb) = nRT RT a V -b V² M Q4) Suppose that an ideal gas undergoes an irreversible isobaric adiabatic p for q, w, AU and AH and the final temperature of the gas undergoing the pr 5 marks) au av Q5) A certain gas obeys the van der Waals equation with a = 0.50 m² Pa mc 5.0 x 104 m³ mollat 273 K and 3.0 MPa. Calculate the van der Waals const T Q1) A 2.35 mole sample of an ideal gas, for which C,m= 12.5 J K mol¹, initially a Pa undergoes two-stage transformations. For each of the stages for the following AU and AH. (6 marks) a) The gas is expanded isothermally and reversibly until the volume triples. b) Beginning at the end of the first stage, the temperature is raised to 105 Q2) What was the main goal of Joule's experiment? Do you accept the conclusi work and why? If your answer is NO what was the major source of error in his Q3) Consider a gas obeys the equation of state: [P+7 P= n'a T2(V+nb)_ Calculate the change in internal energy (AU) when 1 mol of the gas is reversib OP V₁ at constant temperature. (Hint: - P) (6 marks) OT 5v-nb - nb) = nRT RT a V -b V² M Q4) Suppose that an ideal gas undergoes an irreversible isobaric adiabatic p for q, w, AU and AH and the final temperature of the gas undergoing the pr 5 marks) au av Q5) A certain gas obeys the van der Waals equation with a = 0.50 m² Pa mc 5.0 x 104 m³ mollat 273 K and 3.0 MPa. Calculate the van der Waals const T
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