15.25: A gas undergoes4zgh ,wfb*q q8 the 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 pressurized cylinder, the stream of gas feels codi )g1y7 qr io,5cice7ol. Td i7e7c)1,qr5g ocyii his is because

  94.35: A gas can be taken from state a to c by two different rij1rpz vlpgoe0s+;2e 2zr5 u,eversible 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. u+r52, s1opvejz0izg lr 2pe; 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 3.t+kzme;-:vz1bqnpv tly( 1ebq;loversus 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 +3oqq1( nlpe k:lvt v;zy.e- mz1bt;bare 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 /h+*k g:pftl ucompressed:

  97.15: Which of the following is always true for anwvw)*1(uivin (b,k:de g:olh isothermal process of an ideal gawv u:(n*w1:gveh(),ob dii l ks?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansg1;l;rw1dyu rls:6f zion in an enclors1rfdy w:gz;6u ;1llsed 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 b(i0sung4yq s; /pu4kt9b3 hf ey an isochoric cooling. Which of the following statements must be bhfs(s0i;pu eg 49 /t nu3yk4qtrue after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes*jfvj5 . vgbv5 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 gas on the surbv *j55v.jvgfroundings?

  14.46: A monatomic, ideal gas underg0y o r2+f fhc7+/rkpghoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Whi2hh0ffgpk +y/7 r+co rch one of the following statements best describes the heat exchange during this process?

  07.40: Which is not truvu (z9l ;oyxjg,d0*fz e of an isochoric process on an enclosed ideal gas in which the pressure dejlu z(y;zdv0o x,* g9fcreases?

  15.47 One mole of a diatomic ideal gas undergoes at7o.ga j+e spl,* hhz7 reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved duri *spl j7h,gt.7a+ hozeng the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the sau-ue hw (askp: j4j*-xze-+wbeg ,t,cme 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 theca tzbh,uw-*je (kpjws -e+g,-u4:xe 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 four different po-nc 6/newa. hdssible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Process D is isoc6/eda w-cnhn.horic (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state of P,fb)q9tz2 q1.qet td4n V, and T for an ideal gas, which one of the following reversible processes has the most heat associatzt2t dt 49qn .qe)qf1bed with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has a 9 gs7iq,b kjc( yy44pt.u n5lvsample 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 gasv94.n4t qyb, gi7 k(sj5plucy is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , and temperaip/7ipjhh9+2 nz p 4dkture T . Which of the following processes would result in the greatest amounn/+i p9 h74kizdjh2ppt of energy added to the gas from heat?

  13.48: Two identical samples lm7tz w.x7,eaq9n60 y9zwca3 +xtmmyca 6fv(of a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat assoczw(xf67twyc zy6 0,ammx7. tea3 n+9aqc l vm9iated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling