15.25: A gas undergoes th w8cc y7ch,pk84:svgue unusual process M $\to$ N in the pressure vs. volume graph shown. Which one of the following choices properly represents the signs of the internal energy change of the gas $\Delta$U, the total energy transferred as heat to the gas Q, and the total work done on the gas by the surroundings W, for this process?

  03.28: When gas escapes from a 8rh2)c fjg.s nalx8y0 pressurized cylinder, the stream of gas feels cool. This ir0 82.f )cx las8yhnjgs because

  94.35: A gas can be taken from state a to c by two different reversible h+ja4c,+kag + m5av gwr;ovg+t*5j ih processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the system anavm w4 ,tahaog g+r5jj+k+c;g* h5iv+ d 30.0 J of heat are added to the system. During the process a→b→c, 25.0 J of heat are added to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shord9c ,s v4c f1ig,zh0oo-oiw 3tvn;6swn, in the process of going from a to b 60 J of heat are added, and in the process of going from b to d 20 J of heat are added. In the process of going a to c to d, what is the oz 4fvv osnsicodw0ht -ig193c;r,,6 total heat added?

  96.22: When an ideal gas is isv::r7rmczy(ky ahv8 4 othermally compressed:

  97.15: Which of the following is alwmcpza)tg j6v ::;zxqqz7*r b(ays true for an isothermal process of an ide)jb ptr:xq gz(* qvac6zz;:7 mal gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expanyk86+cg u/y xkq*e bq8sion in an enclosed container. Which one yx q 8c6eg*8/u+kbq kyof the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochorich79:hw to69ddp ;g g(6bpu kis cooling. Which of the following statgotpgs66h pbk 7w ( :u9hd9id;ements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an iso8o x5dgupbg(- baric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents theb58p uodg -(xg amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes aed+ik 5l,) vxg .g-fvmn isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange, gvd)-fikglvm xe5.+ during this process?

  07.40: Which is not true ofxkwf+jzq,.i 8 an isochoric process on an enclosed ideal gas in which the presz wj.ixq8,k f+sure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a y rht o*vcty+9drfq ;1 r+r75vreversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume +vrrt*hrc1yqt ;7d9ry+ 5of v is halved during the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas8okg f,qsk 6c iw)19a tgp3u/n are in equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are,gfgpca i98t ukknwso 61q3/) performed on the gases in containers A and B, which is at the higher temperature?
The gas in container A performs non-zero work W on the surroundings during an isobaric (constant pressure) process before the pressure is reduced isochorically (constant volume) to 1/2 its initial amount.
The gas in container B has its pressure reduced isochorically (constant volume) to 1/2 its initial value and then the gas performs non-zero work W on the surroundings during an isobaric (constant pressure) process.

  05.38: The PV diagram shows mw0ya0qt/ dq6lya r 1*four different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Process D is isochoric (constant0 qy61r0a/q*m tylwad volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for aojnrp/5,g 1+jttal v0n ideal gas, which one of the following revej plj g/ ,10rtnov5+atrsible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, whilcfnb8znop7t7yz 9d6 y0 b-nwi 9,v :tte container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles of molecules. zyn7ydn6:b n,tzo7 t-b90cptf vw9i8 Each gas now undergoes a reversible adiabatic process that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has presvp+ (la:5mfjp wajhwo 213z9ysure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added 3fpzowlmv:(a 1+5ajhw 9j y2pto the gas from heat?

  13.48: Two identical8-lmjh inx c+5 samples of a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct sta5h +cj-lnx mi8tement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling