15.25: A gas undergoes the un8l4xgr, lbq 5:lj afc5usual 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 fee 071rgp tv le;bno/ds*ls cooln/ sv*d tp0reo7 ;gbl1. This is because

  94.35: A gas can be *vi) 9hspzda2bq 0oe.taken 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 arebd2i9*ohpeqa0vsz) . 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 goi8kkv+b0vi/pniz) rl i g6z/ne nm./o *ng from a to b 60 v+6l e.kbi 8)n/zgioiz/rkm/v*p0n nJ of heat are 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 gas is is, wr)yj g2xnd:aq: vi wk;-pu2+,lko mothermally compressed:

  97.15: Which of the folldpq mbn zm:*g5ahjg5mx-6r(:l dy ; 1nowing is always true for an isothermal process of an ideal g5y-a dx: p r*h jzndm; gqng6m(m1:5blas?

  13.31: A monatomic ideal gas undergoesyv /hrjzmov0)-l6p2wf0mxj nnx*4- y a reversible isothermal expansion in an enclosed conta02 n4 x-jp*/lzoyvjfr y0xvmwn6hm- )iner. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isoch(fuxo9,jv(wgu4ws7+i e e +idoric cooling. Which of the following statements must be true after the completion of t 4esww+j +eu7(io if9vu,gdx( hese processes?

  11.44: One mole of a monatomic ideal af je64yki7 (ne;2pdlgas undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of e6 2p(nil;jek7fa y4 dthe following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric processwuis0w )3n ih84 rb2an. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statementb0an w384)2 iu hsiwrns best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gz , bkxx:ek ;iji).dv9as in whickb:;iv., jdxz) x9kieh the pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic pr1:u7api* u8llkjmz t5 ocess. 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 wal:7mp uu8j*t 5la1kzis done on the gas sample by the surroundings?

  03.48: Two completely id3b a o-bj2nt hs(qs6p/5jo0r dentical samples of the same ideal gas are in equal volume containers with o0/s q-r(n2odjj ba hs536pbtthe same pressure and temperature 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 shows four different hk 05d ag6aly*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 process(es) does the temperature of the gas decreas a6a hl*ydg50ke?

  16.48: From a given state obe/ 1*tnuqjz/(li zb *f P, V, and T for an ideal gas, which one of the following reversible processes has the most bi( *lqz*utez 1n/ /bjheat associated with it?

  04.45: Container A has awiun-f(8pyz5vl(2: b 8q qv uh sample of monatomic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles of mole hq pb (5 -88uzfy(u2:lqwnvivcules. 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 monap ksir jnccm 1e+19300sb5 gzttomic ideal gas has pressure P , volume V , and temperature T . Which of the following processes would result in th kes c01i0jbn5 gps13t+ rzm9ce greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are jko0qg -o+;i gto undergo reversible processes. Which oi0gq;k+o jo -gne 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