15.25: A gas undergoes the unusu x9kwfmj;i6ku ty7+srq; bc)8al 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 cylib,3x 2 q8bmd1ctv6 kgspc02 bfnder, the stream of gas feels cool. Thicpxb m0 12vtsc6f 2g,8bq3dkbs is because

  94.35: A gas can be taken from state a totzd : lb3c6rg 9*h3nad c by two different reversible processes, a→c or a→b→c. During the direct procg9b :tl dhc *3rzd3na6ess 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 p)gv+ x6 ;rwwpirocess 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 process of going a to c to d, what is the total heat addp wxwv 6;+igr)ed?

  96.22: When an ideal gas is isothermally compr7rwlh08tj up.essed:

  97.15: Which of the following is always true for an isothermal process of an id7 m arnf0qg8s)eal gsf)q8g7 ar n0mas?

  13.31: A monatomic ideal gas undergoes a j-.bubif-)s5o /fpo ty :e,mpreversible isothermal expansion in an enclosed container. Which one of the following quantities assoc, ebup:s /- t .mooj5ffi-p)ybiated with the gas has a value of zero?

  09.33: An ideal gas undergoes a up89znqjw t89n isobaric expansion followed by an isochoric cooling. Which of the following staqp wz9tn j9u88tements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric iiy 5fef 12ts7r9x y)jexpansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the followingi7xiyj ff)9e5r1 tsy2 choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an irrh67) z g 5tpq84b*.kmomb xisobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange duri 5rigzromk h )bpx8b* q7t.6m4ng this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal .d;mcm ;at u-ngas in which the premuc-a.;t; dnm ssure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic ,qnuix w0m na1;x+inn0qz/,gdjx2 /uprocess. 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 sampl /1j,0u/inazq2nx xnquw0;,id x n gm+e by the surroundings?

  03.48: Two completely ide66p 5. aw grmf,(qj5xypts+hfntical samples of the same ideal gas are in equal volume containers with the same pressure and temperature in containers labeled A and B. After thgf5 6(pay,hrjqpw. fs+6 tm5xe 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 differe klba-kx as0g,0u my*;k dpu7)nt possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). P *ld,b0 7uumy);p0sgaak kkx -rocess 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 ab )31 rb5-b,imbij :gkqxpx83fws8mideal gas, which one of the following reversible proceipwm 15xbix3-8 3rf8s bgmqa), bkb:jsses has the most heat associated with it?

  04.45: Container A has a sample v6,* vv)0gxdu-mmnw3xlk 7dr 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 molecules. Each gas now undergoes a reversible adiabatic process that cuts the pressure in half. Which sample of gas is nowm0v kl x,3dmw6*gxu-)r nv7d v at the higher temperature?

  08.44: A mole of a moyvv vyh:e9 94 7cfmn8bnatomic ideal gas has pressure P , volume V , and temperature T . Which of the following processes would result in the gr4vhym:f nvcbe 997 8vyeatest amount of energy added to the gas from heat?

  13.48: Two identical samples of xk) aqfg,lny xwstx,c 2:2)2ga monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct stantgc2,)lx k q ):2,xyg2sw xfatement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling