15.25: A gas undergoes the unusual process M wmpucn /()n ;o$\to$ 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 fk4yyp+a h6,1+n8e5q n ,rp *ldtdvyiof gas feels cool. This ,8l6 ,rvh1yndtf+ypie*+pdqk 4nay 5 is because

  94.35: A gas can be taken from state a to c by two different reversible pr qfz:60fd*i lxocesses, a→c or a→b→c. During the direct process a→c, 20.0lixf:6 0qdz*f 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 showno h5u pwr2a-d6, in the process of going from a to b 60 J of heat are added, and in the process of goi-6rphw5od2a u ng 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 30hob( yqoz 4ez;er;k is isothermally compressed:

  97.15: Which of the following is al8sj*y3s1t.)qrt :k,bdcdp dqways true for an isothermal process of an ideal g1s*yc.t8dp3bd kr)t,qs qdj : as?

  13.31: A monatomic ideal gas undergoes a rever 3rit6 8nqtsod69/a h)btjp(c z0bh(wsible isothermal expansion in an enclosed container. Which one of the following quantities assocn(t 0wohzpb c9( q8)hd6ijr/ 6sba3ttiated with the gas has a value of zero?

  09.33: An ideal gas u, 3d9 vsv4gc ldl9yuh8:jzyw8ndergoes an isobaric expansion followed by an isochoric cooling. Which of the following statements must 4 lvlwu z hd y:j9y98g83csv,dbe true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expanspyve bmdtmp6x7i.jh; 9qlf *8k u8s,0ion. 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 bvpm.9te ,mf 7*d6liy0q hpbk s8;uj8xy the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. Duyp2a:x gmv)* 02kqc2c ;b arjdring the process, the gas performs 80 joules of work on the surroundings. Which one of the following stacy2 )g0 ;pqavjra*b:kd2cx2 mtements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideaif+;j7 z -cgkll gas in which the pressure dec+gjzf;kl i7-c reases?

  15.47 One mole of a diatomic ideal gas undergoes a rev1l jyk+/jg655iz lgrversible 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+5z/5 ikrj 1l lyvgg6j much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in ed ed hth5hylf3k78w -g,+n -dqqual volume containers with the same pressure and temperature in containers edd k,-q387yh-+f 5wthnhg dl 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 far jexep8mi6g/6o h81b-*vrperformed on a monatomic ideal gas. Process A is isobaric (constant pressure). Proce 8oe r/fbpix 8mv 1jha6g*er-6ss 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, wu /6vvkis8q,q i j9h2V, and T for an ideal gas, which one of the followin/ v,i9uvwj i682qs hkqg reversible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while containeyrf dr9jhyc 44 wp5kv903vfo6r 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 thcyh99k4f 64 5yr3fwjp 0ovdrvat 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 presv yv ,l/in36+e/ukudusure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the /duvnkl3e u6+/, yivugas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversiblsu0 -1k0zio: pl9: vygpz.ztee processes. Which one of the following choices is a correct statement about the heat associated with the processe:zits-z.lkpep:901gy v 0uo z s?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling