15.25: A gas undergoes the unusual process(mjx u1co. +g).al nke 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 ga; alvkcjq9m5 s5 kej3l8bpd)8 s feels cool. This is blbm5jlqj k s a35 8k9pde8)c;vecause

  94.35: A gas can be taken from state a to c by6fnysd0ij (rbm9k 83k two different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done k9s 3md 8( yjnf60rbkiby 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 Volutnfkgy + 5))lbme graph shown, in the process of going from a gl+yfb 5n)tk)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 total heat added?

  96.22: When an ideal gas is isnz;:or6jli/mm( g1 /2w hkx:g cd/wogothermally compressed:

  97.15: Which of the following*budomq09or10yhp:z(ixi/ 2cf a 3 u a is always true for an isothermal process of an ideal gasmf 9p uxq3 carbyd:/aioiou1 h0z 0(*2?

  13.31: A monatomic ideal gas undergoes a reversible isothermal eo 1s d0 rls,i,9sbgj/ir97u(:ywbzd cxpansion in an enclosed container. Which one of the followb , 0dlsybu97/czsr i o(g:dr1isw9j ,ing quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion follawnx;lu0ii jd3)7 ip5: mnxnt*eya,u4 u4l6uowed by an isochoric cooling. Which of the following statements must be true after the co:iel m;4nd3unu )l5 7pn6 xwaiyutju , *4ix0ampletion of these processes?

  11.44: One mole of a monatomic ideal gas u5feocjvt6m6i :/g0 id ndergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one ofcjiomg06v6tdei :f/ 5 the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal.idk4:ye5-o7m wb* ld hsh io( gas undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the fodelidm h- yhks4i:w5o.* b7(ollowing statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric prop4an to64 7 x:rexi2g eyq4.izcess on an enclosed ideal gas in which the prezpxnrx qi a:e i74yego 24t6.4ssure decreases?

  15.47 One mole of a diatomic id:j4ypgf(,/ xdg*5x x r/ ttohqeal gas undergoes a reversible adiabatic process. The pressure and volume initially are giqp/y/4t5otx( r x,:ghd xf j*gven 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 surroundings?

  03.48: Two completely iden: w.7xy pioh fa-( b:x+udad0itical samples of the same ideal gas are in equal volume c0:w:ad+iyi uo-7p hd(x b.afxontainers 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 possible reversible pro5 2kgoo4 ktlw(g-br 9ecesses performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal ogek -k4r5gwb9(lt o2 (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 T for an ideal gas, wwm )sgzt qd)98bc, x7ohich one of the following reversible processes has the m9 ozcd 87gswq,))bxt most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while22e 5canmvwr guk*;f 9 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 higher n5f2rckwm9u ;vga e2* temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V ,6 ;m koudw 1l(-b:mfuw and temperature T . Wh: -m um bow;1fk6wdlu(ich 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 un o h0c epbsf0*(oyuv3-dergo reversible processes. Which one of the following cfe0y0bo v 3o*hpcu(s-hoices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling