15.25: A gas undergoes the unusual procom;d+-x;a q)oi6yogn 9 mffd7ess 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 ofcs s. yx68d tmxm6)gqcbei45x7u +-qc gas feels coolysmxxq+d 4-7 s65bct8.ei6m cc u xqg). This is because

  94.35: A gas can be taken from state a to c by t gslt uiu,lf** )(tb,iwo different reversible processes, a→c or ab*u i ugtilt )fs,l*(,→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 is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the process of going froo tt2l m+p )1d5eqpz )tyo+w+lm a to b 60 J of heat are added, and in the proco1z+)lpd5 t elmw)+y+pto q2tess 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 g(a 0:0kkqdvrvlm y c5n3(au*gas is isothermally compressed:

  97.15: Which of the following is afvbd4w o3u9vu(5+bfw-c ij0ri s*o b( lways true for an isothermal process of an idea9(b i5wd40 (osir w-ovjcv+b u *u3bffl gas?

  13.31: A monatomic ideal gas undergoesyf4rg ;w0x5 ry a reversible isothermal expansion in an enclosed container. Which ony ryw gr04fx;5e of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoah3v 1z31w1aiuah8 wdric cooling. Which of the following statements must be true aftez38diw hav h u13a11war the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an ,d ,jp6c;.d ddpb(gjkisobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which onkdgp.bj6d(d c ;d,j,pe 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 process8jsg-bw qh ua h3fcihs*d 7h3r8h50e2 , the gas performs 80 joules of work on the surroundings. Which j r0hsehh7q5s2wd 8 g *hia-u38f 3bchone 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 i);f/wh76 3q hqhae qxzdeal gas in which the /6 fz7xqqhha3e)whq;pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes x-e4cljd: )2 m90se2,/lu6azmgirv+wz viae a reversible adiabatic process. The p 9,vl46a/+sdag z -i 0m:e)zuwl2irjxceevm 2ressure 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 the gas sample by the surroundings?

  03.48: Two completely i yed-cf*7o xu)dentical samples 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 coc)e*doxf u- y7ntainers 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 reverspz9*ko2t) g qsible processes 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 proqspz t* 9k2g)ocess(es) does the temperature of the gas decrease?

  16.48: From a given f*vxvxwy:hg8z*. s y/state of P, V, and T for an ideal gas, which one of the following reversible processes has the most heat associated with it?zx:sx *8f*yy. vw vgh/

  04.45: Container A has a sample of monatomic ideal gas, while contain 07jcs,m f.tucer B has a sample of diatomic ideal gas. The two gases start with the same initial temperaturetu0 fsjc7, cm., 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 i-+z :w-w ( meealplzg *5ewu9ldeal gas has pressure P , volume V , and temperature T . Which of the following processes would result in the greatep :lez5 ww lle(g*-ew9mu-z+ast amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversibl ;h el;o/-wpt6 sxpn-ye processes. Whins;po ;e /x6- y-wthplch 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