15.25: A gas undergoes the unusual process f*w9;vafw7v d 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 v z5 .b-jg7dja:1tam rfeels cool. Thb-d.agrv5aj7j m z1:tis is because

  94.35: A gas can be taken from state a to c by two different reversible process iq) tyrnnw(hn0 gm g+5i2l th+,,pn0res, a→c or a→b→c. During the direct process a→c, 20.0 J of wornlt tiw gp0h)n nhrn +ig0+,m(,r2q5yk 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 grsixpw) ndf( .8aph 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 heat are addedfpwnxi)8 .(ds. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isotherm5i6 b eyuf:*gxszc6)nally compressed:

  97.15: Which of the following is always true for an isotheasaxg-tlhzq1bi0 x/ *4/ zmx.rmal process of an ideal lza./a hg4x1-stb0x *iqxz m/gas?

  13.31: A monatomic ideal gas undergoest8i 95:2esb is) (slz*mlfq nk a reversible isothermal expansion in an enclosed container. Which one of th9s) :b l 285e l(fqzkm*sstiine following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isob m+/ql)b9ie 6w t2vy(ttnr a0haric expansion followed by an isochoric cooh)2+/q veatrib0(9mty t6 wnlling. Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an ad1jz84j bz2visobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Whi a28jz d4bjvz1ch 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 posa o),6tg8ki .ltv.n/rh l;orocess. During the process, the gas performs 80 joules of work on the surroundings. Whn .rlt;)l8 /.kgoso va,to6ihich one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas iu6;q (/azdblrdj5d sj6a4 orm*5u0 myn which the pressure dec/boduzyj ;a rsju *64mqda5(r6dl 0 m5reases?

  15.47 One mole of a diatomic j38g/6p (mypeg aay-jideal gas undergoes a reversible adiabatic process. The pressure and vm86ay3g( pja/pj -y egolume initially are given as P = 2.0 atm and 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 identical saec7kh2la49 i jmples 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 temp9 ihlac7e4 jk2erature?
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 perforhqm 2 t-tl*.pomed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C 2qom-tp *.lth 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 gas, which one of the folh1m5c 2q5vzd d9nj8j3e;qysh lowing revmq z hs;5 hqd59nv13cde2yjj8ersible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B haga4z5n+ * re) tfbhpm;s a sam;eha)p+gmfb*n4 zt r5ple 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 ga8yq9pak 7 lzw,4xf aabt-,l *fs has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount o pa z,9lk, awtl4y*f-abf8x7qf energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to under l8aiyo+;og6 th v20lego reversible 8ol0i; 6tavyeg2h +olprocesses. 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