15.25: A gas undergoess c/q9qj0f 8qk 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, the stream of gas feels coa p88wqmlr1a,9 t f-ibol. This is becap8itfa,rl m 19 w8qab-use

  94.35: A gas can be taken from st2e +84 -wxucpkt arqly4ob8)nate 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 squ-8y)xke42rcn t o+pb84 wal ystem 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 graphljtat29kazn31vnn:2 ry 6 a;m 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 ad 2tn 1zny tjr 6l2:kavnaa;9m3ded. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is io hne 2z4b;bq7ifm: yit.:m(zsothermally compressed:

  97.15: Which of the fo4w m,/pg kx8d6o j+zyxllowing is always true for an isothermal process of an ideal z+k8, mx6 d/pogjxy4wgas?

  13.31: A monatomic ideal gas undergoes a reversible isotherma54s nhobr/mu* l expansion in an enclosed container. Which one of the following quubnh /5 sorm*4antities associated with the gas has a value of zero?

  09.33: An ideal gas undergo4-g+q. f j2dtbdal5tz es an isobaric expansion followed by an isochoric coolint .z-jlbf dga4qt+5d2g. Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomicu3 q-r0aqy+oe ideal gas undergoes an isobaric expansion. In the process, the temperature of the gas increases from-e aouq0 yq+3r 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. Dur fx2myx /kg(+rw;)9/x6 acmof 7tfkiting the process, the gas performs 80 joules of work on/+cmayw76 x;xgf) kf9oi x/tt fk mr(2 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 )e*fcg j ;l;g9m(-s dhflif 9fgas in which the pressure def;gld hfime;-c f()9 jl9f sg*creases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adia.l*rsrt 2c) w/ qs-jcboz +,-um d9mynbatic process. The pressure a/)-*c+nuos,rm bywscj 9d r.2m -qltznd volume initially are given 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 ideal g z7rj+t 2ych)bas are in equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are+h z cbr)tyj72 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 dzsanqpu;9 .wa*c ,(idifferent possible reversible processes performed on a monatomic ideal gas. *n ,iacpds;.zu(wqa 9 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 temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas,h .cpeg f3wfuj) jpui6 j/+c31 which one of the following reversible processes has the most heat associatedj j1f e3h/fwcppcg)3 6+j. iuu with it?

  04.45: Container A ha o9eg).h1mennt 6yhs2s 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 molecuot )hgme9nyh.s 6n1e2les. 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 idealk.*u1 cpw9wcvhhlqi a 5,3r9v gas has pressure P , volume V , and temperature T . Which of the follc*ihq9 ,kpc.u h wv19raw35vlowing processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal ga/s.(iiiib. rm5glq8b s are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associat8i . mi.( b5bsri/gqlied with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling