15.25: A gas undergoes the unusual1 h.ndz-ifh:dk(2dfklq5ek - 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, the stream3 u gfs--g.zl0-gyu2x oxzr :5mbhsg) of gas feels cool. This is bxug3gz 0b 2sg.sh-y) u-zm g5roflx- :ecause

  94.35: A gas can be tafrxn:, 0:ztn uken from state a to 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 syste:n0ufnt rxz:,m. 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, in the process of going fxcqq 23rpkm1g6hi vlt2+p( 6 from a to b 60 J ofrfkp1vhxl gq 6(c6tpmq2 3+ i2 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 isothermally c n,co;*4 hgqxnompressed:

  97.15: Which of the follopkm4ryb.h- 0sxpz*xgl , c(c.wing is always true for an isothermal process of an ideal gas?,p- khb.lp(z.r gxs*ymxc4c0

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion in an e pi1d,s0(fse tr,,zqn+ )rhwsnclosed container. Which one of the followin qdhrfnw,prst,e,1)+(z ss0ig quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed b(qkm gch 0f80qy an isochoric cooling. Which of the following stat08cmh(k qf 0gqements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undzv8v z5j sh58 h+ovtj(ergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best s+zh vvo858zjhj tv5( represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas ucs ts-av1 txoc: i ym1hfcz *z6a+m*a5/ p(xp4ndergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following stti +f*s1op*xta ac/-hv a zz5 c(:6xyps1c4 mmatements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric c*kk aj7yt 87j68n6 a y xhaqp3uh+v8dprocess on an enclosed ideal gas in which the pressure decreases?a6 xv pyj 8 3h6c8aqn+7a7kyhj8 uktd*

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabaqe c5h( z hvi3erki/ 5/0fmpq-tic process. The pressure and volume initially are given as P = 2.0 atm and V zehk3 rfpqhe5- imcq /05i(/v = 30 L. If the volume is halved during the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identicald5q:.m8wscgk8dtx( z/ l )c nq 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 8)wgzlqkd.c/ : q85t(nc s mdxA 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 showsh gc+-2quwd2 d four different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant prduwd 2-cq+h2g essure). 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 ideaibt2l ,f4ysx/ l gas, which one of the following reversible processes has the most heat associated wi4s/bt, 2fly xith it?

  04.45: Container A has a sample of monat(/scahwok0hwq)5w d; omic 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 pressure in half. Which sample of gas (swdww5o/hkh c)0;qa is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has p.yf- 2a 7neb7xl/ep epressure P , volume V , and temperature T . Which of the following procee.ppeyn2f 7-xalb/7 esses would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas areg 3/gcb58h(l ,ysg5 xcm0vzup to undergo reversible procechgu5 8gz(3pxg/ cs5m0b,lyvsses. Which one of the 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