15.25: A gas undergoes the unusuabpb4p f-:s7 ,aq8ovhdl4ytnjpn; ys) rq.3 g+l 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 cylinde0n)b55 dmnygpr, the stream of gas feels cool. T )5 g50dbnynmphis is because

  94.35: A gas can be taken from state a to c byayu mai1b f5qv74ijz8 9 jx2l7 two different reversible processes, a→c or a→b→c. During ti9bzyxm7 542 l j8ua7iv1jq afhe 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 by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, 0gmp+ex hmv47in the process of going from a to b 6 gm04m+x ph7ve0 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 added?

  96.22: When an ideal gas is isothermax1wktvl-1xd3 t cpo :u 83u2tqlly compressed:

  97.15: Which of the following is always true for an isother1;c6sk sqc cedabfo/:i t +u4 w q/7hmjvz1-2vmal process of an ide us; :bw /1s -6 tav1c24moh ekzcv7cfi/djq+qal gas?

  13.31: A monatomic ideacasce o j2z 4)l,.-pgrl gas undergoes a reversible isothermal expansion in an enclosed container. Which one of the foll) ,c2szjpgl.ro4-aecowing quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes a0/me/s8:*h h5ohz2f i* +gufxj vuye dn isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after the completion of these pr m z/j2ef8hs 5: hdvf/i*h+*gux0e uoyocesses?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric 6 osb wp*3 5pe6)il09/wrnufaytvz) 3eb4puqexpansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the amount of work done by the gas on693ybeq wnru4ap s)pt53/w6 0ipe)zu* vbl of the surroundings?

  14.46: A monatomic, ideal gas un.*mgb9uwa fo, dergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the follw 9augb,f.m*oowing statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process onzdv7gl 8 n.et3 an enclosed ideal gas in which the dl78n .3tgvzepressure decreases?

  15.47 One mole of a diatomic im1u *lwdh f.+mdeal gas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If um+mld.1fw*h the volume is halved during the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in. oo4t.gx bg4w equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are performed on the gases in contw g4btog .xo4.ainers 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 dzw-nl ,ym2h8kifferent possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adyknlh-8mz2w ,iabatic. 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, Vdg0- 0voy 7yjr, and T for an ideal gas, which one of the following reversible p0oy0y7 dvr-gj rocesses has the most heat associated with it?

  04.45: Container A has a sample of 2 yjw4hb 8av.x;e7tlm monatomic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volum tex h2blya8;vw.4j m7e, 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 now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V u.hp4 ijlcq-:/sic /b , and temperature T . Which of the following processes would result in the greatest amount of energy addsqpi: .cjh4 clu/ -i/bed to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversibka 3rnxy tuo yz+b-++.le processes. Which one of the following choices is a correct statement about the heat associated with tyxutrb.- +o 3kn+a+yzhe processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling