15.25: A gas undergoes the da) 2h s rvjwwnjm+,t5ae)a* k8h/x t1unusual 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, the91 9-ktirm lty stream of gas feels cool.i tym1rt9 9k-l This is because

  94.35: A gas can be taken from state a to c by two different reversible proceqs/tll1)y eelsui 73f4+ y r9gsses, 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 heat are added to the system. How much wye7 l t9fseq4g3+i1uyl)rs/l ork is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the proc1 uhnl.f8lv04 q ytn9jess of going from a to b 60 J of heat are l 49tq h.fvu0 lnyj1n8added, 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 isotherma.vrmz 4e4 gl7e ,e blkwg.yg47:wy- aolly compressed:

  97.15: Which of the following is always t xq(y fy(v6( i(mgo;wfrue for an isothermal process of an ideal(yf((6x;y w(omviqfg gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expan,ziy( / adqga9sion in an enclosed container. Which oayga9/q zdi,( ne 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 ib.p5vxym qci2qm *n-s- 7m1vrb9k 2qqsochoric cooling. Which of the following statements must be true after the cqm 1kmb mniqc 2y.s2p9- v5 *xvbq7rq-ompletion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion. In themfla.-o6 y/n lpa1f*y process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the amolapmnl .1fyfoya/*- 6unt of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes. w10t-lecy38 r ptzyg an isobaric process. During the process, the gas performs 80 joules of work on the surroundin.pzwlt31 e0y trg-yc 8gs. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric proce vx;.n/l cw 5l8eqp 7f1eebb:kss on an enclosed ideal gas in which the pr;qeec58xb7ekl: f/wvpl1 . nb essure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible a5:owd6crx u ;sdiabatic 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 sampl o5d ;:srxwc6ue by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equalm6lw pguk2vae4cw5x 7:pz6 i 2 e5dix9 volume containers with the same pressure and temperature in containers labeled A and B. After ai2w5 gp kl57 x49ezxwu:6dempc6i2v 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 possible reversible proceg k o4l)ytqj20fu 1,gwsses 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 whitl k012q, u g)wgoyfj4ch process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T fosrh38cnt9u3ngp fv9u h f+ w;/r an ideal gas, which one of the following reversible wn9vhh g3ufrc s3;uf/ +8tp n9processes has the most heat associated with it?

  04.45: Container A has a sample of monatokb:ws wxtog 79w:9speq0qv: 5(fvma , mic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, g 7bv msx f9t p59ovqqw 0:e:w,w(:ksapressure, 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 gasy :yqn v8*tsh), izk-m has pressure P , volume V , and temperaturmzt h*k-nyyi ,vq)8s :e T . Which of the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to dxv v6d(69qt0xbz:as undergo reversible processes. Which one of the following choices is a correct statement about the heat as :d6x0axbvd6v(qt9zs sociated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling