15.25: A gas undergoes the unusual gj /kiz m8fd2 8(txr/rprocess 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 stream of gas feels cosk5 zs89iqt4v ol. 8kz 5tq4svsi9This is because

  94.35: A gas can be taken from state a z(d d3rtph, n7c3o:ceto 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. Duet:rpd,ccd7zo3 3(hn ring 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 fp* z -lm0ugok6rom 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 0 pmuzk-*gl 6oto d, what is the total heat added?

  96.22: When an ideal gas is iso q 4y:dwo/rg(f*v qz 0zil/t3cthermally compressed:

  97.15: Which of the following is always true for an isotherefp,nf0qnjo 0i *nv1, mal process of an idefennp*0o01, ifj nv ,qal gas?

  13.31: A monatomic ideal gas undergoes a revermnszx(wt;n)o fxa +d8f rz z+6r.x*e2sible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has a value of ze) x+2mre ;6f*n+at. z ox(rdfns8xzzwro?

  09.33: An ideal gas undergoes an id adlo,s*5 qm*sobaric expansion followed by an isochoric cooling. Which of the following statements must be d*sd *5o,l mqatrue after the completion of these processes?

  11.44: One mole of a monatomic ideal gao6;ugxvxm5ow5,q1 y1a ) b gaas undergoes 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 represents the amount of work done m gga56x51,q1uvow;) a oybxaby the gas on the surroundings?

  14.46: A monatomic, ideal ga .kzx)x 7ebbykc4 cfn /86ye)rs undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best y.e )/c 4 7k8r x)zkcfye6nxbbdescribes the heat exchange during this process?

  07.40: Which is not true of an isochoric proce azv-yx hi4-fi; l zl5vmo--4ess on an enclosed ideal gas in which the pressure de-ll-hfi4zvim -xy vz4oa ;e 5-creases?

  15.47 One mole of a diatomic ideal gas unde)rjc)di* g(yhrgoes 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, how much wor*gdhr)j (c)yik was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same id9iimz7w:.jh(vql - fjx0gy8 seal gas are in equal volume containers with the same pressu.zsqyi-:vj w9(f lih j78g0 xmre 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 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 processes perform*m .fjat7 /x6snlw n/med 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 (consl/nw7fm.xmt6 /an j s*tant 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 gas, which nryls1p y -woqxd8- -3one of the following reversible processes has the most heat associatero -n-dw31sq-8 lxy pyd with it?

  04.45: Container A has a samplwx1ajox-j 4- -rrz: pue of monatomic ideal gas, while container B has a sax14ru-xjop w-:r- jz ample 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 is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pd/ji:fu2/t g g1n 2cturessure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to thj 2ugtu:c1fni2/t gd /e gas from heat?

  13.48: Two identical samples of a monatomic ideal gas r 2 m;x1va/qjy+n sop1are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated with the proajvos 2x p1/q+m1nr;ycesses?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling