15.25: A gas undergoes tc f7y3qtj6,fthe 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 pressu+bzpsbdu0/n/ rized cylinder, the stream of gas feels cool. T nud/z 0/b+bpshis is because

  94.35: A gas can be taken from state a to c by two differen ; vn)rgt8j8 zznk73,+ dk o6gni6kxvwt 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 are added to the system. During the process a→b→c, 25.0 J of he87z, jrk )6; tv3z8vxi+d6o gk gnwnnkat 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 f3;0/mfulx4-d3 zq g9 ieqpqq shown, in the 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 eql3xf09ugqf4pm /z-q; id3qprocess of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothermally cje/v1wqj;4f4 xh m z.q.hpmg*ompressed:

  97.15: Which of the following is always true for an isothermal process of o+u6wjd7u brbv. g t/,an ideal gas?tubgd+o u7/6brw .,j v

  13.31: A monatomic ideal gas undergoes8p7n(uqedt 5t k q6fl6bj un99 a reversible isothermal expansion in an enclosed container. Which one of the folq q te86nb6 tj57 kupu9n(lfd9lowing quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoric x :(m/-zkqxy5f jensl /y)ij6cooling. Which of the followingsj)q zn/5m(e yxi: klj/fy6 x- statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion. In theo:zh( r+.fg yiu/yzh:- cjh-r process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices behhrr-cuoz-.j:(gy+: iz fhy /st represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideumw wmee :);nfh+ c:y+al gas undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following heyem+;u+ )fwm:wn :c statements best describes the heat exchange during this process?

  07.40: Which is not true of 7v-sza b8f:f tan isochoric process on an enclosed ideal gas in whichfbs7:f t-8zva the pressure decreases?

  15.47 One mole of a di9- wlhqhu.wjr52+eo6e v xvg2atomic ideal gas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during th ex6wrvh2uo25.wlj 9-qh eg+ ve adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples t-yt4x,4u5yln4 esgg f*vl9h of the same ideal gas are in equal volume containers with the 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 temper4h-*4 tev f4xn gly,9lstyu g5ature?
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 diffy,i66kmc m f2gno5uau :7r5buerent 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).rb6goc,u7 a:6ufyum k nm5i25 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,lwicgnkc dtfzjyy 703,5+ .i 7f; eg7v which one of the following reversible processes has the ty7cijz.w ;7g d g57i+ cyf v,lk30nfemost heat associated with it?

  04.45: Container A hasx iy3jh8t +8kxdm,)owv ptl1* a 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 molecules. Each gas now undergoes a reversible adiabatic process that cuts the prey1t 3,xjh)p8 tokx+l8mvid w *ssure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas hass:c2: vlcc0i2g(* la3tgczshl8j m e38qy u-v pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the gas from g ami(23:l *q te8jl3- vsuc8cczy2 gsl hv:0cheat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversidj6 j:czj p0/ ziz)x9dble processes. Which one of the following choices is a correct statement about the heat associated with the prz 6dp9:zj)jdz j i0cx/ocesses?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling