15.25: A gas undergoes the u/e9vey2* n 1nrjv3pcd nusual 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 stream of y55jsy0kysdc hd2s* .gas feels cool. Thisy2sy s.j h*ky5d0d5cs is because

  94.35: A gas can be taken from state a to c by two .cf,cdb cb/ah(a : q2odifferent 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 are added to the system. How much work iqb(cof h a./2bcad :,cs done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shql s1-o2z+rvlbk9b y 1 ep8u+61 vifvwown, in the process of going from a tvlf1kyrz w p-q 1+6 bv2si1luv 9+b8oeo 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 to d, what is the total heat added?

  96.22: When an ideal gas is isothermally compressi u- 79k c+/:-suy ezjm:jcsdxed:

  97.15: Which of the following is always true for an isothermal process of an i,()(s / ,6b6ag hqobbdvsgvu ideal gas?q(,b b hvs/ad66(gu,bov sig )

  13.31: A monatomic ideal gas undergoes a reversible isothermal12 f:+edone ,rs +vdno expansion in an enclosed c +o:drenv n de,f2s+o1ontainer. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansidxgsj + 4,fy+dcpkw 5-xga 3:ion followed by an isochoric cooling. Which of the following statements must be tr 35,xfyxdgwkcjgsip4 +a -d +:ue after the completion of these processes?

  11.44: One mole of a monkp r9*i/gucrw;ji ( i*m3)l ltatomic ideal gas undergoes an isobaric expansion. In the process, the temperci*tr ir3kl;w9 lp*m )(uigj/ature 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 on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the oqoaao.* jct,r2d 7:wrj9(lu process, the gas perforaod(l 7:wr .r ct9qj,u2 ao*ojms 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on aebvv .jo-z9)4y0eh yhn enclosed ideal gas in which the pressure decrea-heve 4y9 jhvy0)bz .oses?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiwvc+ 5miwq ;o7j0z 7(cvhp1mz abatic 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 5wz(17;z7 oi 0cqwpvvc+mhmj k was done on the gas sample by the surroundings?

  03.48: Two completely identical samsawexw( b7*- knoy1a9ples 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 thew aa*x(bwn-o91s 7 yke 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 wc l o1ta 4wye)j3i48zk8 d/cmprocesses 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 isochoric (constant volume). For which process(es) does the t4 ywckcl8o 8jwatzmdei1/)43 emperature of the gas decrease?

  16.48: From a given state of P, V, and T for an idealcs18y1cm+5 : llx6nz4d jtoms gas, which one of the following reversible processes has the most heat associated with+6n1 czjdy5sms8 1:xtm ll4c o it?

  04.45: Container A has a sample;8n;,6jrefr.g; ;xka/6ji qze f n kzx of monatomic 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 h k6jn;xx.z; z8,;rne6rkaq j i/;f fegalf. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatx9phok7o80:jkeztw)8 k6 iseomic ideal gas has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energxj9 8h)et6z 0k opse: 8wkoki7y added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are q2qra v e)0li3to undergo reversible processes. Which one of the following choices is a co0rlq ve3aq i2)rrect statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling