15.25: A gas undergoes the uq ot fb4m (s/ag7u7p5hnusual 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 c ;em3jg+j18gi+k-jxc.pnqd bylinder, the stream of gas feels cool. This is becausbm3jd. +p k1nxg+i qg;ejcj 8-e

  94.35: A gas can be taken from state a to y*yal8s p.d+nsc. avzo 3;r i;g8+gzk 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 are added to the system. During the process a→b→c, 25.0 J of heat sk8;rlg3+a in8zsg; cpyyd az+.v*.o are added to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Vb9dl 5d ,ate1vlkfl5, olume graph 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 he55bft,1,lldvd ak l9eat 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 iso8,uyf rdquf: .thermally compressed:

  97.15: Which of the following is always true for an i k/cz*r6a lctfh, iamu+ al/q 7 0.l:tt+-ilvzsothermal process of an ideal gas?ui6il+ .q lvz:h +altct*0/-azalt/ r, 7ck fm

  13.31: A monatomic ideal gas undergoes a reve0z9t9 80vz eg kdis/r(hvz5xxrsible isothermal expansion in an enclosed container. Which r9kihzx0(ge0v59td zzsv8/x 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 isokw9n e2tj6vz 8g09a yrchoric cooling. nvyr269 8zk aw0t 9gjeWhich of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric ef:jhvsh,9j52v pgdd )xpansion. In the process, the temperature of the gas increases frp5 v ,:v9hsjh2d dgjf)om 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 process. During the prh,)mo7i7; qrmv i +cdbocess, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchan,rmhcqiv 7d i)+ ;mbo7ge during this process?

  07.40: Which is not true of an isochoric process on an enclosed idez3 e bu6e:nzod 5x t2p.ns85lit1*fnq al gas in which the pressurz5z*eq3:nl8t 65busxi nf 2do 1.pente decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabat-lm8pt; ) fzeme-1e*d egk:ur v3m ;koic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during the aemroudk1-;f;:-g8e3p m vzmk te *)lediabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal 7tq9r4ne nlyqz2nt -9gas are in equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are pe9 -tq7yl nt eqnrz4n29rformed 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 ner)*1jegr wg0ksb:( 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 rers(eb kj1gw*)n :g0 isochoric (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given +q+snw blp8; pok hsu4;)uc7hstate of P, V, and T for an ideal gas, which one of the following reversible processes has the most heat associated with it?swpup+ k+h b; o;c4s8)n7luhq

  04.45: Container A has a sample of monatomic ideal gas, whillw02vam.- pzo 9 :ibyme 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 hal29wb.ypz 0l avommi-: f. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volum 16 (*a0ve2klvrioo ine V , and temperature T . Which of the following processes would result in the greatest amount of energy addei l2v ion(aekr0v6 o*1d to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversible) ,lx sgl x)v*7pf3xvu:bt8v c processes. Which one of the following choices t)vl: 8 cvp*)xflx7,sbxuv3gis a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling