15.25: A gas undergoes the unusual process i- 0*r(7*oyf y-siom mar0kt ) kl9bkyM $\to$ 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 t9 7vxlw,v2ll a pressurized cylinder, the stream of gas feels cool.lvx t 2v7w9l,l This is because

  94.35: A gas can be taken from state a to c by tvyldv)a w(-b4 wo different 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 heat are ad)4dlyb- vavw(ded 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 gr5ue3pa0 2iam8o,hr1 up c2ta raph shown, in the process of going from a to b 60 J of heat are 2e 3atpc0r u,1 8amphuio25r aadded, 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 gas is isothermally compre2sdpg;. emg ).tbh7f wssed:

  97.15: Which of the following is always true for an isothermal prj8t(g5nf ha 0zn*hpm- ocess of an ideal ganhath 5n8*pj(zf-m0g s?

  13.31: A monatomic ideal gas undergoes a revf)1k2g9 g4v oh veai2*xuyj s;ersible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gsje f22kyiavx1v4 gg)9;*oh uas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an i4 x/+ut s0chnfk gm/w6sochoric cooling. 6 wn0//tf4hus kcgx +mWhich of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas ybytrk t:7-6,s , unvmundergoes an isobaric expansion. In the process, the temperature of them,,st-k r6 bvuy:nty 7 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 surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During tht6v9b11d1 cxzn nk /yje process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange durin1j1/ 6knzxdyb9v nc 1tg this process?

  07.40: Which is not tru-j co7i v*hcy7e of an isochoric process on an enclosed ideal gas in whichj*ic-v7 c7yho the pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabaticr/r/5 gmjn 7oc)l e /iwcmni09 process. The pressure and volume initially are given as P = 2.0 mro)j0 cim eg/ciw 57rl/9/nnatm 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 ideal .zap(m.00sf t2y5 llbgq7xob 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, as7gq( x.0ob y5m.lp b0lz2ftwhich 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 differen;h ol:uh:i p avw2ag91t 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 (cons1h;p: a vwla2u gi9ho:tant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given star +f7eh7xrpok3 kf0;vte of P, V, and T for an ideal gas, which one of the following reversible procef3erhk+f o70 kvxpr7; sses has the most heat associated with it?

  04.45: Container A hask p* vez(bv7+w 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 molecules. Each gas now undergoes a7v+k b*pv(zwe 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 pr+u ape)g8fey9;lapd-essure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the gas plyd)-ueg ape f+;98a from heat?

  13.48: Two identical samples of a moekcc;6p09b axk,h/2ugq qjm xd3/aj +natomic ideal gas are to undergo reversible processe2/j/abx cgk;pd3+ceh q x,k6mja0q 9us. Which 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