15.25: A gas undergoesr .dpk6mnv,u: fr*u.5 dhek3m 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, k u08 1mz63od1lceuhqthe stream of gas feels cool. 8u1u do3 0 km6qlczeh1This is because

  94.35: A gas can be taken from state a to 9eci x3k* v2jr-wv9 knc 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 te2*w 9cj3i vk vnk9-rxo 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 Pressur065+0k mqtd7 pumrvei veb14ue versus 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 are added. b iqvv5k6 u0re1mepmt+ 70 u4dIn the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothebz:a4a8sp+ vm h3cbu.uwd:qo4u k5 j :rmally compressed:

  97.15: Which of the fl29spdpjoqt*2 ( mly9 1dv; w21vi mrjollowing is always true for an isothermal process of an ideal gas?jio(v vls1j2p*9q ;pmd9dwyrl1m2 t2

  13.31: A monatomic ideal gas unm g) +-nh unyqn-/tw(mdergoes a reversible isothermal expansion in an enclosed cy m+tnqu m/nwnh g)(--ontainer. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas under 9p+fov7 .e17mk-ymk ljgt l,pgoes an isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after the completion of these pro m+.1,opy9 t lk7l7vf-gmejpk cesses?

  11.44: One mole of a monatomic ideal gas under, ;k5:/rolwkkrh va(kgoes 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 represents thea: lo;k, v(r kkhwrk/5 amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undyja63 jxv/wk(7p4bv4u ( lpwi 5/ovc mergoes an isobaric process. During the process, the gas performs 80 joules of work on tjy4vvicx a3v4/6 lp ((mbokj/ww 7up5he surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isocpe:nzb/hf) 6fuq)/ kchoric process on an enclosed ideal gas in which the pressure decreasebqf nc6):khe/)fu /zp s?

  15.47 One mole of a diatomic ideal gas undergo q7ti 1rpto3l;es a reversible adiabatic process. The 7p3tq1o;rlti pressure and 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 sa.c fo7d .dym,smples 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 ,m. fo7 dc.sdycontainers 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 different possible reversible uly0x *g,bvdh: f)82ss mh-hmprocesses 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 temperature of the gas dech 2h,d) lxbu8s- gv *shfmy:m0rease?

  16.48: From a given state of P, V, and T for an ideal gas, which one of the fjv*x/,khlz4 7 fst.p jollowing reversible processes has the most heat as zs .4xt*jh/fvkl p,7jsociated with it?

  04.45: Container A has a sample of mo+0ke iivo uwx6t:0 lh+natomic 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 mk hew+l0txi vu:o0i+6 olecules. 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 ideal gas has pressumy18ex 0fdo4w dgt 0wb399k kgre P , volume V , and temperature T . Which of the following processes xt3kd gw901f8dgkb emw0y4 o9would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to und6qd9 /;j.b0vo zte*o/uy kzmlergo reversible processes. Which one of the following choices is a correct statement about the heat associated with the procez;kl qo t9devm./yu/6oj z*b 0sses?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling