15.25: A gas undergoe7v gds.)+alzsa e1sn yrk-f: ;s the unusual 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, th:wt6;hgt 2dbxz 3po6 oe stream of gas feels cool. This is becauo3 ohttg6:pbx6z;2 dwse

  94.35: A gas can be taken from state a to c by two kiyh+)dg) +nsdifferent reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the system and 30.0 J of snik))yg++d hheat 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 frof;eu;d; 0flaoi 6 ueyd ssth+3e0 v-8om a to b 60 J of 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 totsv0o flfd-0+;ot8hi; e; adeueu6 3syal heat added?

  96.22: When an ideal gas is isothermally compressed:e9 s2,gmlrj t91 (mfua

  97.15: Which of the following is alway ) ul.ql92g1mi m9fqrps true for an isothermal process of an ideal 12pq 9l.mm9uqi)glrfgas?

  13.31: A monatomic id0u)) ozgnzxljjau2vh 0yj 0- w;7hb(weal gas undergoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities as7uz0yh)nw) -x;v 00 ujjwgo2l( zjabhsociated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoric cu1a +v:7-azm8d0q- qpe bgnf /w cslk7ooling. Which of the following statements must be true after the completion of these psp-n kb8-vafwedg+/q7 c 0 qmu:71 azlrocesses?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion. v qn87yuh1n+u 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 the surroundings7ny8q uv1n+h u?

  14.46: A monatomic, ideal gas undergoes an isipz 6y iv*/5bfobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes thep y6*bi/izf5v heat exchange during this process?

  07.40: Which is not true ofaui qs6fuz .9: an isochoric process on an enclosed ideal gas in which the press9a ifq6s uuz.:ure decreases?

  15.47 One mole of a diatomic imsv4x83q 3g uiavczvx/n u),5 deal gas undergoes a reversible adiabatic process. The pressure and volume initially are n/3s5gu im3qa) 4vvx uc,zv 8xgiven 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 identical samples of the same ia0 fjii:cy *t n 2(kppwn-5ck9deal 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 containers A and B, which is at the highe5ck9(py n0wip*c ta kfn :-ij2r 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 po3zwe3q ceeyawg 2i m ye/u)/8,ssible 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 which process(es) does the temperatureyyqg,3z/e2)e w micu8a/e 3we of the gas decrease?

  16.48: From a given state of P, :gs5diu*i8pq V, and T for an ideal gas, which one of the following reversible processes has the8: ig5*up sdiq most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B (mr67 9sklaea rcr7v q.n97wlhas a sample7l9m 7(e7vc skarwr9n a.qrl6 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 that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monat/q wr1iflv :8romic ideal gas has pressure P , volume V , and temperature T . Which of the following processes would r8rfqv1r l w:/iesult in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a mwl1 dg1lan( s1onatomic ideal gas are to undergo reversible processes. W1aln1 s l(w1gdhich 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