15.25: A gas undergoes the unusual process ob( h r4l0n78kium s4):jjjabM $\to$ 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 r as,to;z 2h/.a3tsca nz* l3ya pressurized cylinder, the stream of gas feels cool. This is becaussr2l3 /tn3stczhaa ,.y ;*aoz e

  94.35: A gas can be taken from state a d ll3y, ii9:zito 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 ali:3, l9zdiiydded 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 verdiw gypy1 r(32sus Volume graph shown, in the process of going from a to b 60 J of heat ar3( yd2gpi1wrye 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 to d, what is the total heat added?

  96.22: When an ideal gu(ap.fnd 2)qwas is isothermally compressed:

  97.15: Which of the followkr.)bwi:9t/i+ j ;up0z xj5sj7axu v iing is always true for an isothermal process of an ideal g)xkji r +s59 7/p0u vjajw;.b: txuizias?

  13.31: A monatomic ideal gas undergoes nb,j k 8xr25txa reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with thern5,jtbxk 2x 8 gas has a value of zero?

  09.33: An ideal gas underg- r:vs.ha,bs n,s54n up:rq ixoes an isobaric expansion followed by an isochoric coolirb s4n,a 5h s-:sv u,npx:riq.ng. Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expans.;0o:c8q akur w; dwiuion. 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 sur;qouic: rd aw.0 ;8kwuroundings?

  14.46: A monatomic, ideal gas undergoes anf,mrgjg8kb s69d59 at isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the hea8t9a, 6 s9dfjgm5g kbrt exchange during this process?

  07.40: Which is not true of an ht27i0 rxpq q )7*q2t 1qq4cwoqppiw3t e3iz ,isochoric process on an enclosed ideal gas in which the pressu rwiq2i,7t7q ppqh t4*3ew2oqpq )1qx0ic t z3re decreases?

  15.47 One mole of a diatomic ideal gas undergoes aa re ux0-fw7(zpct0 ,0eiqx, l reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30x 0ee,tp,iur(zxf7a 0q cwl 0- 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 identical samples of the same ideal :u9wapu,h89crogu t1 gas are in equal volume containers with the same pressure and temperature in containe1out urp,wg:8h9 uca 9rs labeled 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 four different possible.j0 nj,cp0h3x iwxe8v3gu uk2 reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Pp30e v0wx,jj 3gcnxi 2k .huu8rocess 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 f ez342 2frmem(v+g cbfor an ideal gas, which one of the following reversible processes has the(vgc42f e3rb emf m2+z most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has5)lqt .z59 yvdfe*ydf a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and nf*5ez9.yq5 vyt) fldd umber 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 -agt47r*tjiu5y0x 2cu ) a 2uuja3ohc) hhlw3 , volume V , and temperature T . Wh3 ua)h 0tu o*ucjh il4h3ytc2g2-uax7war5 j)ich 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 i .js, c.sn4siq)jg(uudeal gas are to undergo reversible processes. Which one of the folls4,jss (cgi.)juu .nqowing choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling