Question

One mole of an ideal gas is confined to a container with a movable piston. The questions below refer to the processes shown on the PV diagram at right. Process I is a change from state Xto state Y at constant pressure. Process Il is a change from state W to state Z at a different constant pressure Rank the temperatures of states W, X, Y, and Z. If any temperatures are equal, state that explicitly. Explain. a. b. x Process I In the two processes, does the piston move inward, move outward, or not move? Explain. Based on your answer to part b, state whether the following quantities are positive, negative, or zero. Explain your reasoning by referring to a force and a displacement. c. Process II i. the work done on the gas during Process I (W) ii. the work done on the gas during Process II (W) d. In Process I, is the heat transfer to the gas positive, negative, or zero? Explain.

Answer 1

10 21 12 Piston because possible only increasing 2 3 PV = nRT so temperature is proportional to product of pressure and volume Tempuature Y>x=2> W moves outward volume which is moves outward coli W = PAN or is change in volume is positive) as volume is increasing 012 นา is positive d Heat (Q) out w as temperature is increasing Auxo and wzo 4 الا 5 6 So, Q>O Positive