15.25: A gas undergoes the unusual cpbfor(f. -agmrx.1-0h) sul 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 cyug +ne2v06)vy+ p4olilue2pn 4mv/ atlinder, the stream of gas feels cool. This ing t4)ve uve+ 2a2i/lu4lmp0+6ovnyps because

  94.35: A gas can be taken from stat(paf:pd i g.l+e a to c by two 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 added to the system. During the process a→b→c, 25.0 J of heat are added to the system. ( ilg:fa+p .dpHow much work is done by the system during a→b→c?

  06.26: In the Pressure veyp+i x 2 gsdy3cb-5z3grsus Volume graph 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 d-gxzs+i 5pcy b2yg33 are added. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal g0n1 q, mc2wuptas is isothermally compressed:

  97.15: Which of the following is always true for an isothermps2yp020 tqhhal process of an ideap2q0 s0p yhh2tl gas?

  13.31: A monatomic ideaiw/yw-8 wzke5os 2 0wb ne ;3a;dhfivp)ev-d +l gas undergoes a reversible isothermal expansion in an enclosed con)vww;5 8 bio/id f- zh3 e+nyawewd02s -;kepvtainer. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an)f* e5npub 9ub isobaric expansion followed by an isochoric cooling. Which of the fouf*p5u) b9bn ellowing statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas unde:samdf5(b.1 pmkf - a cgd3a/frgoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best reprem-/dffmd1a3f g5. p (ba:kcsasents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the proces98u)h 3:y dmdl 5lmsxm(x* slss, the gas performs 80 joules of work on the surroundings. Which one of the following statements best d(yum l9hlx:)l35smx*dssm 8 describes the heat exchange during this process?

  07.40: Which is not truw5s-fwm 3g-uzyt; ,3m s dn)ate of an isochoric process on an enclosed ideal gas in whi)--sy g3m5 dmtt,;3f snuwazwch the pressure decreases?

  15.47 One mole of a diatomic in,y3 ihwyk f0wn,(q1odeal gas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm an w0owi,13 hfy k(q,nynd 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 ido*wou tmh +1nmcuo3ftx f),4-entical samples of the same 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 gases in containers A mwu ntf,to)* ho1 c4u-xofm3 +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 possibl.ult iqn-t2i)ax5st,e reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B tli2,5txs-a n)q.uti 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 for an ideal gas, whichl36j4jqiyk k4jff n+6x5m s(yde z3w8 one of the following reversible processes has th8j ffs ln j 4i63xydw5+mjyeq6(k4z k3e most heat associated with it?

  04.45: Container A has a sample of monatomic ideal(*vj( kgns3a z 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 aav (jnzk3*(g s 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 gasa:lnu+nl onn5alq 2 jyrl 3w-c;22 ,ni has pressure P , volume V , and temperature T . Which of ti-wljacq 2+n3nnrl,2olann2l u: ;y 5he following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic:0e miqwk4o(nyosuw 8:rb.5 zz-q4ms ideal gas are to undergo reversible processes. Whichw-805emk b 4no :zss:um( qozywi4.qr 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