[问答题]
One liter of air is cooled at cfpck7fhzegl82ax1;r 5z ysxqi1 -c 0.onstant pressure untiludbprqlj-n 159i+qt2 its volume is halved, and then it is allowed to expand isothermally back to its original volume. Draw the prj59 - nil2qupq1 rdb+tocess on a PV diagram.
