Two moles of a gas (gamma= 5/3) are initially at temperature 27^@Cand occupy a volume of 20 litres. The gas is first expanded at constant pressure returns to its initial value. a) Sketch the process on a P-V diagram b) What are final volume and pressure of the gas? c) What is the work done by the gas?

Two moles of a gas (gamma= 5/3) are initially at temperature 27^@Cand

1.	Two moles of a gas (gamma= 5/3) are initially at temperature 27^@Cand occupy a volume of 20 litres. The gas is first expanded at constant pressure returns to its initial value. a) Sketch the process on a P-V diagram b) What are final volume and pressure of the gas? c) What is the work done by the gas?
Answer» ANSWER :B) 113.1L, `0.44 XX 10^5 N//m^2 ; C) 12479 J`