15.25: A gas undergoes the unusual pr 9a4mkyg-gbzj1kky/ wh 6; sy.ocess 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 stream of gas feelspp:b xn()v0hc cool. bvhxppc(n0 ):This is because

  94.35: A gas can be taken from state a to c by two vl ;u.-pdfjk6olv9 2xdifferent 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. Durin vxl9 -;vj fouk2.lp6dg 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 )0-0t:ewo wa kgpwqy3versus Volume 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 ofk- 0o3p0eg qy:)w twaw going a to c to d, what is the total heat added?

  96.22: When an ideal gat9 +wi6u+jz nns is isothermally compressed:

  97.15: Which of the followingec1wrwj x6(bg y+( fj4 is always true for an isothermal process of an ideal gas4+1gjwx(ryebf6(c jw ?

  13.31: A monatomic idealsauj7q +oz ; qyw-0c4nq:h;ku gas undergoes a reversible isothermal expansion in an en;0q+n-q hw cj4skz:y7au; qouclosed container. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoric coogdfgr( 2(6gsy ling. Which of the following statements mus6( sfgg2r ydg(t be true after the completion of these processes?

  11.44: One mole of a monats /-i ;g)+*8 +tmminchqotac eomic ideal 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 amount of work done by the g8g si)-q/am+ ico;mt n+*et hcas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an/((2mt/ful*w u 1 ipiz3f izgb isobaric process. During the process, the gas performs 80 joules of wo /w (izzl23uf*pgf bimtu(/1irk 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 process on an enclosed ideal gas pe5o.vapi-gx8lzer6s 8v77ein which 8p. 76rx v5eail-v zego 7sep8the pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic procebu;px3jozs , t5 ui j*-7cz9iczxcw0ltk.1x+ ss. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during*jw9s1czt,x+tl35c j x0 7 ;ipx.ico -zzukub 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 jn, mu+f . a2*yjrk*ko+n*neqvolume containers with the same pressure and temperature in containers lab jje,nf*2ak .q+*y u*ko+rnnm eled A and B. After the processes are 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 shows foqwg hzpodin+la 70/ vsn,eu hc;y7( -9ur different possible reversible processes performed onzea-ygn p7 nh0suq7/c h9lw,odvi +; ( 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 decrease?

  16.48: From a given state of P, V, an(ko:ijhx 0 9af27c tx -gbtp(qd T for an ideal gas, which one of the following reversible processes has the most heat associatephia(ox9txf gq- jk( b0:27tcd with it?

  04.45: Container A has a sample of monatomic ip+fkv1x1,ko 3adkch 7dz3gs* deal gas, while container B has a sample of diatomic ideal gas. The two gases cfgsd1 *p73ok,1ak3kxz hv +dstart 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 the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , ae;zma8.; sezw2+ i7 qteoj8qjnd temperature T . Whichmzj2e.i+se ejq;owqaz 88 ;t7 of the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideb2 i l02:wdzjral gas are to undergo reversible processes. Which one of the following choices is a correct statement about thej: d2iz0lbrw2 heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling