15.25: A gas undergoes t je::06 q7ode osgtwz)he 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 st4.p lpxmr(hyrt3qr1zmh74 ns 3s :qz ,ream of gas feels cool. This is b3nzmstr. rq43 s7:lxpzp(y1m rhq,4hecause

  94.35: A gas can be 7pt4 c9*nx:n lxgd 2g:c.* jf 8npwlgytaken from state a to c by two different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 x :jl cl: 7*ggfnxgdcp.4 ynpt 9w2*n8J 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. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the:u:cudyuq1 *w9nt+n m process of going from a to b 60 J n:twuun*1q+m: d9yucof heat are added, 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 compre )t:r 1eqvh x9riad7hse11:gbssed:

  97.15: Which of the following is always true for (dfkypr+ve/m i;qog 46+po-q ca +:gk an isothermal process of an ideal gascyp(;of+e6i qrq4+ ggkm -a /+p :kvod?

  13.31: A monatomic ideal gas undergoes a reversible bb3cz -lm180w blveh5isothermal expansion in an enclosed container. Which one of the following bhzl-5m80cbwb3le1 vquantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed bmllc+ ea.ptumie,1mu 1r(h3 3 y an isochoric cooling. Which of the following statements must be true after the tle ( a,rmmm.e+huc3p1ui31 lcompletion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion44h1yf3*bhc 5.inaa .mr1zv hnu q-kq . In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the43ra z. b1ahc4 qi m y.f5u1vhkn*hq-n amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobau*l) :xvhj(u dko0if(v- f: ghric process. During the process, the gas performs 80 joules of work on the surroundings. Which-fo0jfik )hg : vxudv: *hu(l( 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 enclosl:srr-ig1(m*ql lk, ted ideal gas in which lir* :tm1rlg, skq-( lthe pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabats)z meox* ;wocg4.zt/yj ai7 2ic process. The 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 sam;4.xwy2i ao) tmz j /g*7secozple by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in)h4 e mnbje:;scifr:) equal volume containers with ;i n:sjf)c:he)4b m rethe same pressure and temperature in containers labeled A and B. After the processes are 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 different poss/*l ktkcmi+r9 ible 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 process(es) does the temperature of the *+ic9rmt klk/ gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas, whi9vt0 9iaew:sos w 6og zvf8g6;ch one of the following reversizsfv :ioae;689s 09wgw6ov tg ble processes has the most heat associated with it?

  04.45: Container A has a sample of monatom3qd.ag5a dtn( ic 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 a reversible adiabatic process that cuts the pressure in half. Which sample of gas is now at the higher temaqntdg( da .53perature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume :ktsy i; psb).jmc 1v0V , and temperature T . Which of the following processes w y:c;bvm0j s)kpi. ts1ould 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 u /b-91-7yzaug 8ykya n g;uxqpndergo reversible processeanzgyy qu1x 9y-;ubp8- 7/akgs. 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