15.25: A gas undergoeso 5 jxfg7)9zqx 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 coo: nb)c7p bb.xil..ibc 7xpb:b)n This is because

  94.35: A gas can be taken from state 3m ,jrl7/fly0rmvl)fa to c by two different reversible processes, a→c or a→b→c. Duf/7,ml ry3lmrjv )f0 lring 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 the process of going fromo1l cu8;umx2jv -i f7t a to b 60 J of heat are added, and in the process of going from b to d 20cu-vtmu8l 1f j7oi2;x 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 isothermallyh-of;d tr1 fu* compressed:

  97.15: Which of the following is always true for an isasv z)p 98xw*iq4 euhcmep 1mx4s5r33othermal process of an ideal gas?e9)ips 53qh4z8mu xm3w4*apv rxsce1

  13.31: A monatomic ideal gas undergoes c0puz 3ikul.4a reversible isothermal expansion in an enclosed container. Which onz k3uuc0 p4.lie of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas a4w;36 erwgna g8d)nmundergoes an isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after the completion of 68dr4wm3e gga; nw)na these processes?

  11.44: One mole of a +fgut h*ge.yn)q .t d9monatomic 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 choefgnuh) gt+* dtq.9y. ices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an rhd.a 2,vri3fo*t9n qisobaric process. During the process, the gas performs 80 joules of work o9*drqt2a,.nfo i rh3vn the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not t .q9 (opdlc2i8obx:/yozf; ysrue of an isochoric process on an enclosed ideal gas in which the pressure decreaseyc.8 o;zi yb(qop /:ofsd 92lxs?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic process.+g 8o:rh(/a; 6d7azonjlaui u The pressure and volume initially are given as P = 2.0 atm and V = 3+l :z aid /7 roo(u;u8ghaja6n0 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 sam:ag i d8et;se(uk:lj /e ideal gas are in equal volume containers with the same pressure and temperature in contai8eaue/j ldi:s gtk;(:ners 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 fou /:n/o m-qg+ btxkpns4r different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Proce g4 b/nko:n mps+/x-tqss 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 ga+q1d admn /2uev(xks 9s, which one of the following reversibl 91 /uedmdx2q+vns( kae processes has the most heat associated with it?

  04.45: Container A has a sample o vu(t8jm6zf :t h midia,;-ve0f monatomic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start izvdmh0vm-au, f6j(e;8it: twith 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 idea:;,sa *,)fbowovkxwm l gas has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amoab f ,)xkw o;,vmwo:*sunt of energy added to the gas from heat?

  13.48: Two identical sampw*ur*xl5f fw yxu -zfmv6vzz /j7( 3r7les of a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat asso7u*vz uxl6f7w 3-r(rmyzvjz 5f*xw/fciated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling