15.25: A gas undergoes the unusu,;wej ue;-qto0e 4xlc al 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 y /m7 aen mo,bezf lr7:i:t62eb m/f2upressurized cylinder, the stream of gas feels cool.loey7e/tb2rmfim b:6a n:uf,2/7 m ez This is because

  94.35: A gas can be taken 7b;me9(t 5ryv-jpel z from state a to c by two different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 lvet zj7-b(;r9peym5 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, in the process1racf; i5lv4 gj8mp(16rxnun 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 added. In the process of going a to c to d, what is the total heat 6xj;g18 r 1npnr5(u lcfav4miadded?

  96.22: When an ideal gad xx tw38sjh.0*bl7jts is isothermally compressed:

  97.15: Which of the following ilmvh e :zr-8km ozsik0/.,zoy 8od;h-s always true for an isothermal process of an ideal;r dvo-sk88 .zh:zmmy -eo/zlhk ,i0 o gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion iyljvao - 3unyi c7*92sn an encloseuy2 s* jancvly9o 3-7id container. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas unwket*m1 d vgq;9d4ge:dergoes an isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after the compl m1vtqkeg *d; e4dw:9getion of these processes?

  11.44: One mole of a monatomic ideal ga;7;nubcc c5 )f)p i obew)ah5ys undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Whiccpnw;a 5 5f;b7yoh )be))ccuih one of the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas und06 js+qut jzm .o*ndh-ergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best d-q0hsdj*zo +. un6mjt escribes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas in wjzpsk*s7( w g+hich the prej(*ks7+szp gwssure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic prliv( s 3*7y7bc1d ep jtu*oyx/ocess. 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 work was done on t s*u3vd7xecol jyy*(1b/ pit7he gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equal voir wx,g;k:r( zu o4;kxlume containers with the same pressure and temperature in containers labeled A and B. i(kk:w; , ux4rzgo;rx 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 dirk2tk8yg a+ qd7v/xx2 fferent possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process 2+8ax2 7yxv grkk/ qtdC 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 ana9/ fgh/p :ceftj7hmv 3e)9uu ideal gas, which one of the following reversible processes m:ch/3)fj 9eg9eft7ua vuph/has the most heat associated with it?

  04.45: Container A has a sample of monatomicik9c3;vs /f sl 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 is now at the hvi/sl c3k9f; sigher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volumfgwx4;r(cth 32 nw(xde V , and temperature T . Which of the following processes would result in the greatest amount o nx3(wr; wc4xthdg (2ff energy added to the gas from heat?

  13.48: Two identical samples of a oxyp(gls;sa6r r6obje;2nxm* (0+ f rmonatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated with the process((r o rx2x6nbg*y+;sl jap6rf;me0 soes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling