15.25: A gas undergoes the unusual process Mhe6u 56u,vv9ga9zd lk $\to$ 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 hfo8v3 c.c6ibk z,j *gstream of gas feels cool. This i3jg v8kizcboh*.,fc 6 s because

  94.35: A gas can be takenylnlgh)4rvc0 rr6g 7+,x. dr*ropfg * from 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 ar4v * ylcnr.x rhglr,grg7pf) r *6do+0e 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 the process of goisj ps7gadp3 xuxj00f mf;(9m :ng 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 prajx s0f( gu7 ;:jm3x0s9ppfmdocess of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is i :ryfhtzwm78-6m p+d9p l 4 dxg(5drvbsothermally compressed:

  97.15: Which of the following i.uwht;9 gat)mqb33 o js always true for an isothermal process of an ideal gas?3j9m)at 3;qowbgtu h.

  13.31: A monatomic ideal gas undergoes a reversible na 71p;yp)ubv 7 qlgw(isothermal expansion in an enclosed container. Which wlp y7;nu)vgpqa1 b(7 one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an:gasbnr.0ei t0 qy.m6 isobaric expansion followed by an isochoric cooling. Wheg..nm:bs6 i 0rqayt0ich of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic x(:felf r0 -c7sg4jl)z2549tfsa bemhzk7 kh 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 donemh cf es57fl atr4z0:z jhx7-)gbf2ks 9ek4l( by the gas on the surroundings?

  14.46: A monatomic, icns /so t(t(*jdeal gas undergoes an isobaric process. During the process,stjo(s/ *t(cn the gas performs 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 ujibo0 5fk6(uan isochoric process on an enclosed ideal gas in which the pre6fo jub05(kui ssure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic p, rwt/,3pmgry/q9d+xg9 bs sarocess. 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 sample by the surro ,wyt gmbp9s3dq/r ga+,/9rxsundings?

  03.48: Two completely identical samples of the same ideal gas are in equa() p 6cl ryy*qfzjlj87l volume containers with the same pressure and te7(f6llj jp)8yzc rq y*mperature in containers 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 sh +8lr )e.)opx0y bhmciows four different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Proces0h+yp)cmo)e8blix . rs 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, which one of the fol2objey/mxa 56a u3cy .lowiac 3oay6/jy bx .u5m2eng reversible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B ha**zlq y1olm;fbet z:7s a sample of diatomic ideal gas. The two gases stare:lomf*yt*lz 1b q 7;zt 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 , voluw /qc99it w5dapd;, sbme V , and temperature T . Which of the following proabwwd , ;9iq/tpdc 95scesses would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal g1s)hbj yso6h o 6s k8/tutee3;as are to undergo reversible processes. Which one of the following choices is a correct statemenu1sb8h 6ho/t36ej;eo) k ysts t about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling