15.25: A gas undergoes the unusual pnf4fw gt(3bp4rocess 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 feelsv.zsbi)*)ku z cool. Thisi vzk)bs.z*) u is because

  94.35: A gas can be taken from state a to c by two different reversiblrb.qcx4* p k-qe processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the sx*-qk .br p4qcystem 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 thx9 : q 9igtscmrk0w,3yeqr 0 g+;pvl)le process of going from a to b 60 J of heat are added, and in the process of going from b to d 20 J yi)p;g0 g9wxrlqvrmk ,:+3 tlqs 0ce9of 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 isothermally comprezy1+ot l 7cr5 -o(lpogssed:

  97.15: Which of the zpaj640 ny yo,waqqh (3pd:+a following is always true for an isothermal process of an ideal gyj0ya o d4qw( ph:+6 q,a3paznas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal e6ug h:wu u ru+ ,vis8ef4ceto+y 6*g8rxpansion in an enclosed container. Which one of the following quantities associated with the gas has a valugt y:rvgu+ir*cuhu+fes6wo 48 6, e 8ue of zero?

  09.33: An ideal gas undergoes an isobaric expansion follo l4f0aa 6hmvz6wed by an isochoric cooling. Which of the following statements must be true after the completion of thes06fz4 6 aavlhme processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansionfudf0jiw6 ok) rga:2). 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 k oa60jr)wif)f 2du:g of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. Duw7tor4gp:4 b hring the process, the gas performs 80 joules of work o4:b towph74 grn the surroundings. Which one 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 ideal gasz 4 ek7,tt57 yrftga3 cp9qbj) in which the p39qgc47kjb 7,5ra f tept zty)ressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a rev3qdw-2/ i vn* t6brrrgersible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved dq*g-nr23 b6vrrt wi/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 ideal gas ar/ic 1s*q tfzavsp4-u kw.i,q,b nz*wfc5 uh64 e in equal volume containers with the same pressure ai ci*5q,av6wn *kb-w uzp 1.fu,zscf 4sh/4qtnd 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 different possible reverj t.p*-nq)yd crp5/ a7hyd q1rsible processes performed on a monatomic ideal gas. Process A is isobaric (constant prea-dd1yj7tr/rhnq ) y*. p5pqcssure). 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 P, V, and T fori1t7 vzpa 7z 5rl73sutye.m0o an ideal gas, which one of the following reversible processmyt715tr i7asp.u7 olzz e3v0es has the most heat associated with it?

  04.45: Container A hasr8: asaqrtz4/vc o) lhgp0:5s a sample 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 molecup)z58rg0rs4al:to aqs/ h v:cles. 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 ,/p s vf45fzv5j27 vnlp and temperature T . Which of the following processes would result in the greatest amovpf5fj45 vp/2n s zvl7unt of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to und652kk whhfoi 5p.lm xbq:.5plergo reversible processes. Which one of the following choices is a correct statement about the heat associp.h5i5 k p:mx5lqk6hb.lfw2 o ated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling