15.25: A gas undergoes the unusual procb+(sp.2y: cgres 3 +trh x+kora yq+*t)ho*oness 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 st;e sn--b:1cqa fvtg6 vream of gas feels cool. This is bec-nv-qt;av bef:g cs 61ause

  94.35: A gas can be taken from state a to c by two different reversible process/5 bplqnf r,v-a9svexwv,,2p cy(6x des, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the systen vv,/rv, pw52l qxya-x6f,( sd9pbcem 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 goin9mgj 3 -):mqgnwm h/fzg from a to b 60 J of heat are added, and in the process of going from b to d 20 J of he -z)w /:j9q fnmghmgm3at 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(ib6/m 8fia yn isothermally compressed:

  97.15: Which of the following is always true for an isother8zw4qjvhu bqf3 ,mn+ ;mal process of an ideal gas?z qb4w+n, j3fhq vmu;8

  13.31: A monatomic ideal gas undergoes a reversible isothe-ft2oix/ g y ox89e4phnei(4qrmal expansion in an enclo4(e9p oot2g q /i4-hy n8ixexfsed container. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas unde 5 a*w x19vwwn 5yfpw,x0ly,fhrgoes an isobaric expansion followed by an isochoric cooling. Whic,p v0xfx a 5 ,w5yynf1*wlww9hh of the following statements must be true after the completion of these processes?

  11.44: One mole of a f:qzp x2duia.xmva0*4m6p9vmonatomic ideal gas undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 .6dpfuxzvpa:q04ai2 v*xmm9 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 .zhtuidr5 i/5an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which o5u. ti 5dzrhi/ne of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochorictew efb1m7ov3 l- 2j0f process on an enclosed ideal gas in which the presewl730vof- f tme1jb2sure decreases?

  15.47 One mole of a diat dd.chrw6b 6mc)f 4fcd+ z4k:k,n bm.gomic ideal gas undergoes a reversible adiabatic process. 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 sample by the surfrk4f.mdwc ck, c)hd6bb. +4g6:dnm z roundings?

  03.48: Two completely idz sdedpvz /d)ip/ +mw2qo.9x1 entical samples of the same 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 the higher temperiwz9d ms2/ .d qpvdoxp+ e1z/)ature?
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 s cdlz9jm(f2 kt6uf ,gb+m 1j7jhows four different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermakcjmduzgtjm9 + ,1 72lffbj(6 l (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 fquqt .z (j:ei 0ks)sh-or an ideal gas, which one of the following reversible processes has the most heat associated with it?ze -. tq(k)0su sj:hiq

  04.45: Container A has 5kzlm : hkq+9of12f)octa:uoa sample of monatomic ideal 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 1to aq zc2ho)9fo :l:m+uk5kf pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monxgc2lk e8 bw5j61p/clatomic ideal gas has pressure P , volume V , and temperature T . Which of the following processes would result in the greate1/cgc 5lkbjlepw 862xst amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversibletr igpy )gkx*)w3 a n/ld*z.m. processes. Which one of the following choices is a correct statement about the heat associated with t * rg)d) z .w/x3ktyl*p.ainmghe processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling