15.25: A gas undergoes the unusual pros.9m*ngk5l,i nqxh; fm ype;9o(u) zycess 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 strk/4 uggso8d a6eam of gas feels cool. This is begs ad k4g8/6oucause

  94.35: A gas can be taken fr+ek:dl a:xhr idr5km*a +b8- vr+ zyg;om state a to c by two different 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 hl-vr5d *;m+x:y:ikrbez + rdak g8a +to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressurz6d+.,hg2t g -sohmu .uqtni3e versus Volume graph shown, in the process of going from a to b 60 J of heat are added, and in the process of goinghzt-ou23, dig .uhtm6+n gsq. 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 gas0bz.jjb1i-h -q(yfu 2 9 hmfgo is isothermally compressed:

  97.15: Which of the following d1d pn);/ cgjjsp2r( tis always true for an isothermal process of an ideatgnp(rp2) jc1 / ddj;sl gas?

  13.31: A monatomic idealomtz jf l/j;14 gas undergoes a reversible isothermal expansion in an enclosed contzoj1fj ;/lm4t ainer. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobari5::giyrn d sp ih09vtni4orh1 .l,*f uc expansion followed by an isochoric cooling. Which of the following statements must be true ar,h5tf l giv1ui :90:hio4d .*nnsp yrfter the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isob8hml ; g3h; jcnovn(*e,en2olaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the follo ehg3;;elj*2cl,hno nm n(o v8wing choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas underg8t z;hd6f1ry:gc0ox moes an isobaric process. During the process, the gas perfo0y ohmgxcd :zf8r;t 61rms 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric pro, r6t0v- 6bps07e8b gezhp/xxxns,s ocess on an enclosed ideal gas in which thx e8et0ohx r psz/ 7xnsb,vbg6p06 -,se pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a revtide;i4fn j(q)(tqvn elh+o*a3 q5t:ersible 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 sampleae3 n(qq i)tvoteq:*dt;(54 i fnj+lh by the surroundings?

  03.48: Two completely identical samples of the same ideal gas arlmyox f.bgh:-l, 4,j pe 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 pby omj,h.l-4lgf:,x, 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 di gdtv),ot47 h9u*fep kfferent possible reversible processes performed on a monatop9tue)f4h ,*7 v dgtkomic 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 ideal gas,*d+co zaikh 6x9la: 2hct-y5 g which one of the following reversible processes has the most heat axykgz*l-chaht 6a9+d 2io5:cssociated with it?

  04.45: Container A has a sample of monatw9i8(0tg3lxwva/q4c v6 2jfm ) iuyjyomic 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 pressure in half. Which sample of)vqjlat403jiyi 8x(cg6mw v wuf/9y2 gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pr gc0i5(mz7u)h, w yyyl6kyot3 essure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy addekmw,5h7t)y0u3ygl6 y( z iocyd to the gas from heat?

  13.48: Two identical samples 5m,qw/ k4ll9r+kk vam87ubp5qxcp4 sof a monatomic ideal gas are to undergo reversible procep5+,lmqa/9bmw k4vls5x7c pk uk4q8 rsses. Which one of the following choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling