15.25: A gas undergoes the unusual proc:f9bp/k hzz,fhpg- 7o q( k2lhess 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 cyls52aop 2 ,t*l 83osoaegpems3inder, the stream of gas feels cool. This is becau 2s 3pao2ts8, ees3lo*pm5 agose

  94.35: A gas can be taken from state a to c by two different reversible procy +zutiqj9b90esses, 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 are added to the system. How much work jyiqbt0z+ u 99is done by the system during a→b→c?

  06.26: In the Pressure versus Volu3d3)fkhak3 vjni,3 l4vywxm *me 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 heat are added. In the process of going a to c to d, what is thex3y,j*fk3hn ) v4w3dkl v3aim total heat added?

  96.22: When an ideal gas is isothermally compressedc)rkej;y(e 1qn 0yc2b :

  97.15: Which of the following is always d5c .dgj ad,j wvo73i ehj.3y::0g 3d nlri9gstrue for an isothermal process of an ide c33g da3j 9,l:hje.ywd75:r.gdnogv0dij si al gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal eds.lp btovh ym854u3* cen97dxpansion in an enclosed container. Which one of the following quantities associ. 8c9 nh3 utloys7bmp5dv4d *eated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an vqc0.kct rgco-; w:.edvp u: ,isochoric cooling. Wk0ecqcg. vcu;po-:wvt ,.: rdhich of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic idss msqur9v 2 (ry,kvhqr ..v2)eal gas undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the am).skm.2rrhv,qvyq ssr 29 vu (ount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isath8tc f47dj 9vf+1f uobaric process. During the process, the gas performs 80 joules of work on the surr87vth1t4 afffj +cu 9doundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas t 6ea2past1m*0h0m jfin which the pressure decreasesm h6jte2 1fptma 0sa*0?

  15.47 One mole of a diatomic ia.xpcj9lj. w(deal gas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V cxj9(a.p.j wl= 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 l)w7zagb r) kd71f;jpsamples of the same ideal gas are in equal volume containers with the same pressure and temperature in containers labeled Aaj7 1 g)fz7p k;bw)drl 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 f,gh .dwml iz*( 8y ivckd*hk* 992fdkpour 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(h.2ki*ky8fgd 9 ck,iv*hwd*dz9 pl m 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 f67k9 tn:qf bjjor an ideal gas, which one of the following revfj tn9j7bq 6:kersible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic inbpoqm524p7c deal gas, 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 higher temperature ncp7p2b5qm4o?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , and temperas.mz2 h( e+tahf((pk2he(t6k iwfgdr ;f ee+7ture T .(z.(f2t+rw7 i(k;fgk +t hahesme2e pdhf( 6 e Which of the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples olv)d43w8u v5i ijffxkv.of )p1mah/w0r+l9df a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associat 3)pfldo+dkv9hmvawr 8w0u) if./li 451 j fxved with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling