15.25: A gas undergoes t p lbzj,ne705vcv)n8qhe unusual 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 fcgj 4 -zd52khvlx1 t0irom a pressurized cylinder, the stream of gas feels cool. This ist g2x 1-i4jc zlk0hvd5 because

  94.35: A gas can be taken from state a to c by two differw jvg*-v5; pdlent reversible processes, 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 is done by t*w5gjd;v vp -lhe system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the process3w3 mpti)p xj7 of going from a to b 60 J of heat are added, anpj3)wtxm7 p3 id 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 isothermally c*c *el aja6i-iompressed:

  97.15: Which of the following is always true for an isotherma0e-t9 fdo0p4.um calml process of an idem90 dmu-ofc4p.l t0 eaal gas?

  13.31: A monatomic ideal gas unu 9 n 2c(6 ylt12yz-ejl 9ngkj:plyh7pdergoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated whyy t2cne-:1zl99j6jlguplp n 7yk( 2ith the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion follown 0y607t slpp-wtqg2 med by an isochoric cooling.qp06p7lns ymw0 tt 2-g Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic idaqvpy 7j9z3f( 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 amyafv(p3 j9zq 7ount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isf:o v,t0m8pl4f ; jn3-q6xd k7)pgwrqm oxm8robaric process. During the process, the gas performs 80 joules of work on thev4xkmmptd;rw o6 l3q7f,:g8mnr-0o8fxp)q j surroundings. 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 ideb ,l.oh/. ph lq q0vqrdm3/a6(*il9da 7vxuc lal gas in whichaqvprd/. ,x lq6 lq*h30( il7bco.ha mld9/v u the pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic uej6i, 6 bka:rprocess. The pressure and volume initially are given as Pukjr6a6 , bei: = 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 identical samples of the same ideal gas are in equal volumtd j/oq2th.imek1, i/ e containers with the same pressure and temperature in containers labeled A and B. After the processes a1eot djq /i khmti./,2re 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/a tr232dsd 9vx1a adi shows four different possible reversible processes performed on a monatomic ideal gas. Process A ia d31/2dd 9rasi xavt2s 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 decrease?

  16.48: From a given state of P, V, and T for an ideal ga+qy ,sagg::; slh/nde s, which one of the following reversible proc,g:dsy: nq+g hs;a/el esses has the most heat associated with it?

  04.45: Container A has a saml +1gyu4179xdbrcg ample 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 bxd+l aym1 r94g1gc7u 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 , and tempermr02(wka e9vj ( bwx.vmpe6u 6ature T . Which of the following processes would result in the greatest amount o920wxjpree ( mv6bw(v.6 a kmuf energy added to the gas from heat?

  13.48: Two identical samples of a monatomich*oq)vgcz .(t kka)s: ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associkst okh. (q*z ga))vc:ated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling