15.25: A gas undergoes the unusual s8 ;phw1pbzowun*u)3*h bh k.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 gas feels -( n)r. k rlcy:ag)wgbyi3xi9cooby . cyil)( rw3xk 9)i-grg:nal. This is because

  94.35: A gas can be taken from stat dh5s-s rsmiy9n 2.kvl+.i i9be a to c by two different reversible processes, a→c or a→b→c. During the directin2sm hivs 5ib9-lr.9+dy. s k 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 is done by the system during a→b→c?

  06.26: In the Pressure versus Volugml ;)6 v2wzjqme graph shown, in the process of going from a to b 60 J of heat are ad6zmj2q )gw lv;ded, 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 isother49.maasoh s4x1;ahg i mally compressed:

  97.15: Which of the following is always true for an i c/i;ukyca 7gt9zs(i :sothermal process of an ideal gasckcg97:zyi suia;/t (?

  13.31: A monatomic ideal gas h39 kowy7p i*mzi 0.nwundergoes a reversible isothermal expansion in an enclosed container. Which one of i7op 0.kw nzwi3* ymh9the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes ana) ;rwk:3 z 6lnobogz. isobaric expansion followed by an isochoric cooling. Which of the fo) . laznb;g3:z6 owokrllowing statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoesm2g-.0 fh hxjtuxf;w8 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 by the gas on hf.;tu2 80xh-fgjxwm the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric cn1pubwviu+ ;4 + tl.sprocess. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exc ni+ s1v+w ;.4cpultbuhange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas 8. -ti*yaj x5fp o4we1wl/ntp in which the pressurapf5.wx* 48 iotw/ln tj1ype-e decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic v e sra*5:u:lfq.f :dwprocess. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. I slfr5 :v*qw.af:edu :f 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 samples of the same f p0 -h2wqj2nbideal gas are in equal volume containers with the same pressure and temperature in contaq2 -bjfn0 h2pwiners 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 perfor3t2+k-(pynzt q bfjo5ny3)kk med on a monatntj5 kf2z3pqb-y)3+knt ky(oomic 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 temperature of the gas decrease?

  16.48: From a given state of 3bh qu6uqi lf/ s mj/y24f/op0P, V, and T for an ideal gas, which one of the following reversiblepsf/26hl jmbo3i f0/uqu4 qy/ processes has the most heat associated with it?

  04.45: Container A has a samplegx gycy +w0 (i7ls w+y5anb-3 pcdv38m 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 proce g ygvy 75(bcwpdi8am lw++3ny3 0x-scss that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a moi0gc w4: yrm6vnatomic ideal gas has pressure P , volume V , and temperature T . Which of thvc: wim6 y4rg0e following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversibli3)jcl(l *6yb* uvp dee processes. Which one of the fou j pl(yd6cb)3i*v le*llowing choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling