15.25: A gas undergoes the unusualdm 8qg3o 4z8ses0eubs)f0;jb*xn r *s 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 -z1tfj4pzj y 6+nwyn8 gas feels cool. This isn-8f1y jwj4p6zy+t zn because

  94.35: A gas can be taken from state a to2j:2 z+e: nh h nw.1+beaulyg +zvklz. c by two different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are2jz.lnhl:h+:zz u+k+vw.eab 2n gey1 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 grmccou56e.kb8 u voq +.aph shown, in the 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 of heat are addeueb5+c cq.8vm.koou6 d. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is ipj5 ,foj 7b907yi0:f lqrtrstsothermally compressed:

  97.15: Which of the following is always shtgyz b4 30-aafo7:d true for an isothermal process of an ideal gas?f-datb z:sh74 ao03yg

  13.31: A monatomic ideym kpx3k*e32 in6b /w7zc1djmal gas undergoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas hasbmy1 kmkd6i7z32px/w*j cen 3 a value of zero?

  09.33: An ideal gas undergoes an isobaric expaej4n,4f*t de ension followed by an isochoric cooling. Which of the following statements must be true after thfetn4e ed,4* je completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an xii.:, t/fp cpisobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Whichp, i:.pxct if/ one 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. Duri0(pqfsc)2 d3b t gik:nng the process, the gas performs 80 joules of wo kif :)q nc(pbgt32ds0rk on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of as l34*+ uux ),sv3z2lrcdenban isochoric process on an enclosed ideal gas in which the pressuresc+eu * lbvnx43z,3dr usl2a) decreases?

  15.47 One mole of a diatomic ideal gas undergoes a revergc iq,ol 8s*20** g hxwg,xpmmsible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume iso,0*g8swmx 2clg*g hpx*miq , 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 -o7kt 1j,byxq 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 gasj- y oqxt,kb71es 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 differyfmd 09 fcps;yky:j 15ent 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 which y ;yfsc50k1m fyjp9:d process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, andzq;cc.dpmj +m2.w8khb*7o ti T for an ideal gas, which one of the following reversibpiq. h c+zm7wctkoj.2 m*8bd;le processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has a h 661rdywtx9 isample 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 procew x6yidt19h6rss 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 pressux0 qqp-oh0rfq46bf w 6re P , volume V , and temperature T . Which o6wp4r -0qo6hqbfq x 0ff the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samk o1x9.irea* yples of a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated with the proce9i*e kay .rox1sses?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling