15.25: A gas undergoes the unusual process z fk4m t:zteqeu c .l :dm9(-ik6).vymM $\to$ 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 coc2s7bgm*v 4bsol. This is becaucsbb v*m g274sse

  94.35: A gas can be taken from state a to c by two diffe2dc.dwhx ip4wqhc fba8 i3l:2g l)c,4rent reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the systemi cwh3p wh4.qdidbga,cf4l2 c)2:x l8 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 prv g+i(vtj) rr*ocess of going from a to b 60 J of rjr *+v)v(igt 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 ga;t2 sdi/tdp3 js is isothermally compressed:

  97.15: Which of the following is always true for an isothermal pe .-nadm* :k4ejct9 g8o1v*xu soarm;rocess of an ideal gas?nue9:makdxo v 1*c-gjo.*m8t se4; ra

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansimuf(1jk( fo, bon in an enclosed container. Which one of the following quantities associated with the gas has am ( (k1offub,j value of zero?

  09.33: An ideal gas undergoes an isobaric ;8 / /a e10ufo ek: obwcllfw0afpy9i+expansion followed by an isochoric cooling. Which of the following statements must be true after the completion of these w 0ao:;l0uf9o1ec f 8yiw+/bfal/pekprocesses?

  11.44: One mole of a monatomic ideal gas undergoes anm8k bctt0qrt(.o jyew7)y:9 c isobaric expansion. In the process, the temperature of the gas 0b.7e( tq r9 8kccmt:tj)ywyo 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, ideaov 0 1/j,aqd3,aw2znc *7ap7 hicnbp zl gas undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the followinga hnz/*7p adpz0woq7n ccai v b,23j,1 statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochom+ xwe y.0k1vef deu,3ric process on an enclosed ideal gas in which the 0wvde+u3y mfk 1,ee.x pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatich8rsrptk34rt(,c/xj iw1l d e*anm- 0 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 wo43rksr 8m(t ,werj/ tx idl0p1a* nch-rk was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equal volum(rz3/e;d qqq 5cw(ga4u q4qa me containers with the same pressure 4q/5 c;a3d gqqqr w(m4eaq z(uand temperature in containers 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 differ+r079ti16hxyno9fxj ey -idaent possible reversible 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 whicxyo+t frihd9eia j9-60 7n1yxh process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas, which one of6ue drg() hpjdn;, hauy6.ko/ the following reversible processes has the most heat associated with ion r6hd kuejha,( d6yp/gu);.t?

  04.45: Container A has a sample of monatomic ideal 9s:xcl 7hot t tj*xh55mv(/ vegas, 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 molecuhv(m:h lx5/vjtostt x9e *75cles. 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 ideal gas has pressure P , volume V , a+vy.39gsq s nwa 4kzb2nd temperature T . Which of the following processes would result in the greatest amount of ener+4a3q 2bzskwgnv9sy .gy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to unda+:y o .qb+ 358k1eskecuufmjergo reversible processes. Which one of the following choices is a correct statement about the heat associated wi8 +ojykmau c5e3.bf +:1ks equth the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling