15.25: A gas undergoes the wwj i1 dqo2+ziydl.. +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 from a pni70g 2q/p k g8jw3ebaw -pes7ressurized cylinder, the stream of gas feels cool. This is0g/ik p bpwaj7-3 qwe7ns2ge8 because

  94.35: A gas can be taken from state a to c by two differentko4 t*fvh(zu cry;v5: 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 t(uc 5*rvzky : v;fho4to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Vol4p qv1ja+-zucume 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 uj1pzv qca-4 +to d, what is the total heat added?

  96.22: When an ideal gas is isothermally comprp27 : ffzo952vmimtcdessed:

  97.15: Which of the following is always true for an isotherma6duz0) 9kkk wkl process of an idealw0 69k)kkkz du gas?

  13.31: A monatomic ideal gas undergoes a reversible isotherma(,2z :bqtai*adjhn3a l expansion in an enclosed container. Which one of the following quantities associated withbhj 32:*aqnat( dzia, the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isoc1dnh3 8yew;czt /f/zzhoric cooling. Which of the following statements must be true after the completion of these proceft/;hdz1 zwzc3y/ 8nesses?

  11.44: One mole of a monatomic ideal gas undergoes an isje7,)9ujyy :bz ignf*cb 8p,7e8 pm4vvq v) ryobaric expansion. In the process, the temperature of the gas increases from 300 K to 50p, rjnpyb 8g9*qve) :)vi, jbezf4 v7yyu8m7c0 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 an isobaric process. During the prlqd7at4 5r3(lc.afd mo: k-m (lj eg*eocess, the gas performs 80 joules of work on the surroundings. Which .fmq t l a*jm d 4o(e-lldg3r5(:aek7cone of the following statements best describes the heat exchange during this process?

  07.40: Which is not e2n7wu o24k2sq ex1y ttrue of an isochoric process on an enclosed ideal gas in which the preenk2 7 o2 yxtueq4w1s2ssure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversi727cv pboc zl;:s( iomble adiabatic process. The pressure and volume initially are given as P = 2.0 atm and ib(pvlo27:zos m c7c; 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 idente0te zxc(rn a4 p:g*+rical 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 containecxp n (ra0:t zeeg*r4+rs 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 dif.6t bsn- uol dmk/pg11ferent possible reversible processes performed on a gn1msl/1 kob- 6 .udptmonatomic 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 decrease?

  16.48: From a given state of P, V, and T for an vnm2dx7g*.v7t 1r28 . e /xzd2mlam samqqb0tideal gas, which one of the following re ved 87.m dbvq2gzt1 x7sa.atm/n2q *0mrl2xmversible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic idea w80;c8glq wu-xae 3icl,bh/pl 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 eqa g x3 8whb/cwl ,lucp;i-08the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume .c 1 u-tvyq v2rc)u3zd clly8(V , and temperature T . Which of the f r1 - ucd .(ltyy8v2q)lv3zuccollowing processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal2dcppd 9l-h.a/ rxu+3owpx w nt+ e/:kc-+tmn gas are to undergo reversible processes. Which one of the following choices is a-xtcwp w/adr/pn ondm+- ht + .2peul+c:xk39 correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling