15.25: A gas undergoe)l x jv zd j-nf1j;a irjex+.5x3f7qw*s the 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 escape9 x)t7u vlaa0cu9q-vrs from a pressurized cylinder, the stream of gas feels cool. This is beca0avlq 7-)ct u9av9xruuse

  94.35: A gas can be taken from state a to c by two different reversible pr(ud3gi r.fmcer,v4h6s f r, h7f)a:rkocesses, 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 work is done 4ru ch6f,hg (r dvref3,7 .s)r:fkaimby the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, indiu62jujak zsge,+ 68 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 process of going a to c to d, what is the total heaes2g6jzj aku 6 d,8+iut added?

  96.22: When an ideal gas is isotherm bfu z0.7aq)oually compressed:

  97.15: Which of the following is always true for an isothermal process of an idbkp;x7ky, 7r05 ul,xwyi,vu45 wtalrealwixpb ku5aluvr ;4k7y,xl,,y7 rt 50w gas?

  13.31: A monatomic ideal gas undergoes a reversible isotherma* 82xr)xn* 7:4zmd poz zcadnrl expansion in an enclosed container. Which one of the following qm o*n dpdrxc:z2)8n*zxa 4z7 ruantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by anbg0xnyn c(**(ynzr1l isochoric cooling. Which of the followinglnzy g 0n*rynbc 1(*x( statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isoba1w9vf(yil nq8cc7/*x tgh u3lyors61(jx( paric expansion. In the process, the temperature of the gagsny iw* o(v6c/f3uxhr qjl1l8ca7t9 p(y( 1xs increases from 300 K to 500 K. Which one of the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric prvq 4kl3,db: ez0j,ddr6aym b7ocess. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchanb aezq,yjddm brk74l3dv0 ,:6ge during this process?

  07.40: Which is not true of an isochorr7y:6 xfiyg*;m po4 edic process on an enclosed ideal gas in which the prexygipd ; 6emr 4o*:yf7ssure decreases?

  15.47 One mole of a diatomi/ sg2f* g*l tz*yl-f ljgdw:w+wrx62wc 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 the adiabatic process, d2xlwz: t*w+ gw62fy -/wjg *l*l rfgshow much work was done on the gas sample by the surroundings?

  03.48: Two completel ,nigbw 05hwa4syu- 5su3,czly identical samples 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 tempw ul35b-i 4g0n,swua 5,hcysz erature?
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 processemixf (50v8qg2k 2zofos performed on a monatomic ideal gas. Process A is isobaxm2f8z0g qf oi5(2kovric (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 decrease?

  16.48: From a given state of P, V, and T for an ideal cu5/igi +,2f5 mcobmn/hss*x gas, which one of the followin2iuc5 n5ximmo/ghfb/,+ cs*s g reversible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, wh6fwgi8zf( .-/xnndi rile 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 sa8rw/f n 6zxgi -di.fn(mple of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume Vbw+ h3n;y-tl* 9xu w7e hv3lrh , and temperature T . Which of the following processes would result in the greatest amount of energy x +*uhl73- rnl3t h9 ;ewybwhvadded to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo revexcg,wp9xv.tb 0wl y)mxvj:t lc78 s1 0kmd0w5rsible processes. Which one of t 9 kdglc:7.tx81tmvw, p0 xmxwjs0) wy5cbvl0he 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