15.25: A gas undergoes the l9l vsu4 o7::vbn2q jcunusual 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 feeluyfb2vdwfa, zf8iy+h17) vu9s cool. This is9)f1 ,bz uvvd f+ yuh7fw8yai2 because

  94.35: A gas can be taken from state a to c by two dlv b pojc.mol o)h+.acb2)u** ifferent reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are do*.vc .m)c ljup2*baobhlo o +)ne 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 are added to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Vo6n ds kd 0+oa:dmq,a1alume graph shown, 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 heatdd aqk 6do0 +n,aa:ms1 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 compo.an4h:ccyk-i,b 180 0iza l zceq3 nuressed:

  97.15: Which of the following is always true for an isothermal provh, k o-4l2fzvcess of an ideal ga,oh v4-kz2fv ls?

  13.31: A monatomic ideal gasmwr17 jsusn)4 undergoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas hajm1wr)ssu n4 7s a value of zero?

  09.33: An ideal gas undergoes an isobanla urup5 vrix)8+94 dric expansion followed by an isochoric cooling. Which of the following statements must be true after the completion of these pru ) +idur5l8rv 49pnaxocesses?

  11.44: One mole of a monatomic ideal gas undergoes an isobarirx4tzzl/f- w)c expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices bz-wlfzx)4/ rt est represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the proy6cbk.qiyf.-y h).o wmvvr c:/ey1jb)9xd+acess, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchhdf.yky.ibe 1b)vv.w) +yc- m/ x r6oc9ayq:jange during this process?

  07.40: Which is not true of an isochoricpx es,u 5+ p m/w86hjy,oscqi+ process on an enclosed ideal gas in which the pressure decreasesp csjm +8p+yx65qusiehw o,,/?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic proc6i-e tu 8(1i ihzok5uk:tf-yw 4lgoij;*(fwness. 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 sa jlw i(u ot-86k4iiy1we k-(otn:*fh;ifz5 ugmple by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in e .nxfiwa)6slgp1 8uj:qual volume containers 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 awsu.i 86:f lng 1)jxphigher 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 possible reversible processes perform/7 t 3b7ljxt3wkf)5 pn iu3ifgidl)o,ed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isotherm bp3nffw 53d j 7uoli3iigx t)l,)/7ktal (constant temperature). Process 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 Tc ,n ..t7dob0 bmz6q.tnn 5whms1hz4 c for an ideal gas, which one of the following reversible processes has the most heat associated witnt0zq7mw6nnb.b5 h4zsdm c toh.1 c,.h it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has 6p-y, vqkvzj;vn) 9)ypb2 ajea sample of diatomic ideal gas. The two gases start with the same initial temperature, volun)6vyzyep2- ;v)a,kjpb 9qj v me, 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 higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V,qmvv1 o o m2fex3yu/) , and temperature T . Which of th/mv e1xf)uy mooqv 2,3e following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic id ,p cmwlfx h6,0+l2llceal gas are to undergo reversible p2w+lm0 h x lcfc,pl,l6rocesses. Which one 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