15.25: A gas undergoes the unusual pr z,24olp djr,nocess 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 rcz/ za 7a8gfw2ua8o.nx4s0. chx . hofrom a pressurized cylinder, the stream of gas feels cool. Thhwh oo f 8ag0c2xaa4r.z7/.zx c. 8sunis is because

  94.35: A gas can be taken from9ro0lqahe;9 y93cyf a state a to c by two different reversible processes, a→c or a→b→c. During the direct proc qch3; a9ao99e0yfyl ress 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 is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the process of going a z;y +szduk51 xy(cc;2x k*nsfrom a to b 60 J of heat are added, and in the process of going from b to d 2 z (;sxx sccu1z5a2yy+k;dk n*0 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 c.69 6gp.rzkxo2ktxd is isothermally compressed:

  97.15: Which of the following is always true fo fn+ ri4/m j5/+ptutrjr an isothermal process of an ideal gas?t t j/r+rjm/+ f54ipun

  13.31: A monatomic ideal gas undergoes a reversible isothermal e(v;rltlpr43 6thf2 ez xpansion in an enclosed container. Which one of the following quantities associated with the gas has a value of zero( r tpev432hzfr t6l;l?

  09.33: An ideal gas undergoes an isobaric expansionvai0rv4 8eb n* followed by an isochoric cooling. Which of the followi4 en0virv ab*8ng statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes e7 ti)4+/gazw-wbsz zan isobaric expansion. In the process, the temazb)g/ t4ezw s-w7z+iperature 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 undj,,o* u 4:z a+hg6jngku1vbyu ergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following jhj4nz,g ka gy *ub:o1 +6vu,ustatements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gasyaa-hg 01zfi 5i cwg olm30,8kd0nmh/ in which the pre0 lah,gy1zo5 f/g h mdk0 imnwci0a8-3ssure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a x kg4(-3rtspi reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved du4ksip3t rg( x-ring the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the sam ;40ws weicw, ta04+u qsci8gme ideal gas are in equal 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 th+;s a 8 mwgscq4i4uwi 0tcew0,e 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 fokgy )st-b- :o8 eb-oriwmcx*6 ur 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 (constant volume). For which process(es) does the temperature of the gas decrea k: *oebt cigwrm8-yb6x-so )-se?

  16.48: From a given state of P, V, and T for an idtbi2 j/xbrwx )ft:l9 8xe8t3 oeal gas, which one of the following reversible processes has the most heat associated with itxixlt/b:) ex98or 83jbt tf2w?

  04.45: Container A has a sample of monatomic iq+wf) ozv /v rfnm js6n1nrz7(wp q+13deal 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 th)fqj nzmrvoz3v rf++wn16sq (w1 7n/pe pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal g3xu4,disf: a:bq9luf as has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the gas frb4uad xff::quli39 ,som heat?

  13.48: Two identical sampf) 9lt9x)vpkw7x zrl1les of a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statemenl k1 9lxp7xzf v)9rwt)t about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling