15.25: A gas undergoes the u5hhh*+m jp/bs nusual 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 pressurized cylinder, the stream of gas fr.ko / u9xnv/+jmh(qzeels cool. This ij9qrn//( vkxm +ozh.us because

  94.35: A gas can be taken from state a to c by two different reverscb*u; fys r3o4.lkx (hnac: -mible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the system and 30.0 J of heat are added to thexc a.k-;4l 3sm*onh: (ycbrf u 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 Pressuw*zlbl;4z )wbre versus Volume graph shown, in the process of going from a to b4*)bbwwz;lzl 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 total heat added?

  96.22: When an ideal gas is isothermally compresse p+h9xmdom5 j,;d4 aif/sds 2k-l vs5zd:

  97.15: Which of the following is always true for an isothermal procesh1i z8)5vbsvi 6o c*vus of an ideal gas?* 6i1ibhsz)covuv8 v5

  13.31: A monatomic ideal gas undergoes a reversible isothermal s;bw:ht y 4mpy7pvr(, expansion in an enclosed container. Which one of the following quantities associated with ,bw:s;y (ymtrvh47pp the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion foll vnjfj,cg18 2wowed by an isochoric cooling. Which of the following statements must be true after the complw2 ,gf1ncjj8vetion of these processes?

  11.44: One mole of a st+5 .d7nzepj2s-,hidh 3qbn monatomic ideal gas undergoes an isobaric expansion. In the process, t+h-,. 32 z tnhdni7qspsb5jdehe temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. Duringqysl- czjje8u+h(4+ y 3vp 43fvc -ieb the process, the gas performs 80 joules of work on the surroundings. Which on vhfu+lv48 q e(cb3yjz+4e --j3p yisce of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric processey* aof;iy;/ext / p9c on an enclosed ideal gas in which the pressure dee tayp; x/o;9fiyce/* creases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic ey9mz ld,qa g3g.v3r28 +vip-ewi0csprocess. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during the adiabatic process, how much work was done on the gas sample by the surroundingsi w g3m.igsecp8-dl,v 0ze3qr2ay+9 v?

  03.48: Two completely identical samples of the same ideal gasyy/16qu6qomso;jzm- c1j3d-nb)ev;cos l; k are in equal volume containers with the s-/s)qqlo;6 bcnjj6z31;s e y 1comudymk;o -vame pressure and temperature in containers labeled A and B. After the processes are 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 four nj)zi:57ndnnau dn3 25gqt g1 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 (congddan 3zj :1nqinu7)52ntn5g stant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given stat2m(,iofz0noy8 xqg ga41 w/rbe of P, V, and T for an ideal gas, which one of the following reversible processes has the most heat associated with it?gmiybrz 40won 2/qo( x8af,1 g

  04.45: Container A has a sample q7w vfz)h*4r cof monatomic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and n*7hw4)cqrfv z umber of moles of molecules. 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 pressure P , volume V , and temper (l6wk6n3p* + cwthpnfature T . Whicl tk wf(np366*+cpnwhh of the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo3g*sdpb 56wsy reversible processes. Which o6*pb5g ssdy w3ne of the following choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling