15.25: A gas undergoes xkdvv k748v-j 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 cylinc5.i:v.p rqq3nbvh)byn sjy67 2 ,idlder, the stream of gas feels cool. Thisnyy:n7q l is dcq).p6j.hv3vbi2,r b5 is because

  94.35: A gas can be taken from state a 9msiwruj.f*yd.)ul; l73wp82md tmito c by two different reversible processes, a→clrfd)p l.73.tu*wsd m29 ium i jw;8ym 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 the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in thsbs9avl *knh1z 7n5 ch9 wt;r;rue n92e process of going from a to b 60 J of heat are added, and in the process of going fro2s *hbn7 s;rtua9l 51 cvhwre;nz9k n9m 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 comprbk u8g(sjlqmjma:e u t r*p*8,lf5g.,essed:

  97.15: Which of the followingpt2.rxhh)hbr +g-fk oy ,m28w is always true for an isothermal process of an idearmfr 8pg)-.,h2yhtkxh +2 bow l gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion tv b2(qo g;hr(: t4l.a syww4ain an enclosed container.s(wtbha: wr;yl2 4t4.vo ga( q Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobar.:dgr ct;t a+wic expansion followed by an isochoric cooling.dw.t:ct g;+ra Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a mbyhoay pz vb 23w;5qz. 6fp*:xonatomic ideal gas undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one vp f3b2* hz:zyop;q6 .yawxb 5of the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isob cvl;8c 3yw,u0(qnjr zaric process. During the process, the gas performs 80 joules of work on the surroundings. Which onew( zc 8ju,0l vnc3qry; of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an i hzhyy if.fa:um*n0.6 sochoric process on an enclosed ideal gas in which the ph0a6y. hu:fy .z*finmressure decreases?

  15.47 One mole of a diatomic ideal gas)ea c+1vvrd5d undergoes a reversible 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 ecrv1 5vdda )+gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are isdfm(0- eitu.n equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are performed on the gases in contain0 de -iutfs(.mers 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 possible reversible processe-( /k7bf nq x x+ef/1l,s;d8jrmfmiqjs 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 isochoric (constant volume). For which proc/+d qb fxe71n8s;(x ljkmj/qr-mff, iess(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas, wh*0obaum 7hfid.,cg t( ich one of the following reversible processes has the most heat associated with itgh* 7tmo(f0b.a d iu,c?

  04.45: Container A h x 4ho7b36,hfs fok7okas a sample of monatomic ideal gas, while container B has a sample of diatoo sfoo76fk437khx,bhmic 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 the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , anvku54, snle5 xd temperature T . Which of the following processes would r5vx su5n ek4l,esult in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversjapo(c v;6*uv:rm0 hrible processes. Whichac 6: u;rjvvmr*(po 0h 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