15.25: A gas undergoes the unu 5dv ro z:d02+ec x7f6h;deqe)zi)qk lsual 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 strea8c (25u7egin/ 2rdcfi nk r1oam of gas feels cool. This is becaus c22d(5g8kif 1ri eo/ru7nn cae

  94.35: A gas can be taken from state a t 1 wbs*x.s1ggxo c by two different reversible 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 the system. During the process a→b→c, 25.0 J of heat ar*s x.sgb1g1wxe added to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the proc9(ks zgxx7 :l scu)7ejess of going from a to b 60 J of heat are added, and in the process of going from b to d 20 J zsckg7xse u7l: j)x9( 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 gh0 2wqi/f qaf b/7evs1as is isothermally compressed:

  97.15: Which of the following is always true for an isn.ve uv yckvx37tw) 7.othermal process of an ideal ganvev uy3xt7.7 wcv) .ks?

  13.31: A monatomic ideal gas uocqv o9k:2q74hp ,zscndergoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gzsc24pqq97 :vkoh ,co as has a value of zero?

  09.33: An ideal gas undergoes an isobaric e2u yf um94k0jv(bdwsfl7;u) p xpansion followed by an isochoric cooling. Which of the following statements must bemu7b2ysf09; uu4vjdp k l)w(f true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansirsn7*.e: 7mt.lx x-tgc trk6won. In the process, the temperature of the gas increases m l. 7k sx-rr67tgn*c:tte.wxfrom 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. During the e33cevu ,4fxr process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?xe3 3f4u,v cer

  07.40: Which is not true of an isochoric proces ih37k7 -evkkx l1uzr+l9htb( s on an enclosed ideal gas in which the pressure deckl xv 9zthlk+u1 (k7h-i7reb 3reases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic process g7s rso,d3*ip4m 42ulpaq-vb. The pressure and volume initially are given m qsu7 vdbo,*sagp4l2i3rp- 4as 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 surroundings?

  03.48: Two completely identical uy6i):dh8iq w samples of the same ideal gas are in equal volume q68):y hdiwuicontainers with the same 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 different p9z2:kp39w lw/y,nyz b w,mp mowuh0 s+ossible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Proms+hlpwwy2 p m:,zz y/k,ow9 0 nuw39bcess C is adiabatic. Process D is isochoric (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas9cr:qu1 pm4 nvctpo:1, which one of the following reverpvp4:c:q9r nm1u ot1 csible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gax4if 6*, jjf.qc,nal ns, while 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. Each gas now undergoes a reversible adiabatic process that cuts the pressure in half. Which sample of gas is now at the highn,fn qx.jaflc* i6,j4 er temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , anr(dveo/ )rm5 hd temperature T . Which of the following processes would result in the greatest amount of energy arrevh)/5 d o(mdded to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo revs3 j7lk,+ygwxsw.tq :ersible processes. Which one of the following choicess+3wwjx ks ,g7qtl:y. is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling