15.25: A gas undergoes the unus,el:tzk hqj 2(h ./hj8e(eril;9mim uual 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 pressurized5mcr0m (6h5 q;zcrtj q cylinder, the stream of gas feels coolch5q; j0 m6rz5trq(mc . This is because

  94.35: A gas can be taken from s /z-e8 cm(was4 rm6zmptate a to c by two different reversible processes, a→c or a→b→c. During the directzs4e6zam-r8m( c p/ wm 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 rc k5co(vc73opjht 0r9yad(zc81:lre 4 hfa*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 are added. In the pozy(e(:3 d9cohv* 74cha0jl1a rf cr kr8tp c5rocess of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothsz 4u. wjmva2(t 0.ts 0sjkzj(ermally compressed:

  97.15: Which of the following is always true for an isothermal process of an ids-jcmb uu5q- e1ifu,9eal gassc,1 -bi uemu-9uq5jf?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansis 8g1h g75w,r5hqco olon in an enclosed container. Which onecq5r875, gswo 1hg hlo of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion foaj jr95b)nvm- llowed by an isochoric cooling. Which of the following statements must be true aftjmjr9a n)5b-v er the completion of these processes?

  11.44: One mole of a monato j7hal/k;y wr:-wlkw5mic 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 a7-lw;hyw5lwaj/ :k rkmount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the proces8rz2yk+ wn mui) s-th.s, the gas performs 80 joules of work on the surroundings. Whic ) ui-htn +srykm8z.2wh one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal g-iqcv ,: qxf+vas in which the pressure decre:i,fxcv+-qqv ases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatiq4 f gldq5r8dkt d5ct(hp.7h5c 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 gas sample by the sqth8.4tkg7p55lh5d( frcqd durroundings?

  03.48: Two completely identical samples of the same ideal gas are it+ egmscgk a2(e)1d4fcg/bxw47 k9 qmn equal volume containers with the same pressure and temperature in containers labeled A and B. After the processxag / 4egc)2qg97mbewkc4f1t+ mdks( es 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 differen5 rm0x xq3mukq:kiw4/a5t6 rzy-pq0e6(xp pl t possible 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 isochoric (constant volume). For which procea: r0 0q q56kpmp5r(x-x3let4i 6y wuzk/qmpxss(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal ga e d 3b7+e83hgur4gjx 0sly( jgt+xkl/s, which one of the following reversible processes has the most heat associated with(jdj 3l4xgtb+3 g+xlru /8ek 70shyeg it?

  04.45: Container A has a sample of monatomic ideal gas, ;b*ja )d:gzsj q5qm/bwhile container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, v g *z ;m:bb)djj/sqqa5olume, 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 p2x5x hjem36b 82cm;fnqpagw 4a1ts4mressure P , volume V , and temperature T . Which of the following processes would resuc2a4gnbsmt 5xq82fa xpe w j;61h 34mmlt in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatvw1,etybv:f qz roq6g5.3s,tomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated1w s3 fq.oe,v ,zt:r5yv qb6gt with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling