15.25: A gas undergoevgeq lt :***zss 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 fruy*;e-f6pn; f* w cnik9t nbq, jy55nlom a pressurized cylinder, the stream of gas feels cooluy -5; * nkn*9jibn cqw;nf,fy6e l5tp. This is because

  94.35: A gas can be taken from state ayti.g2u; oec; ,1z)+oisbq+c rfr.jm 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 system1mirz iqc;g+2bj;t.se +r,c f )o.ouy. 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 Volus3/6ot miu4ur-9:a z hd8olmame graph shown, in the process of going from a to b 60 J of heat are added, and in the process 8rz4:96ts uo-3 /imhladuo ma 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 iso pu4k5hr+o* dothermally compressed:

  97.15: Which of the following is always true for an isotherjttzo52 7y sa+mal process of an ideal gayo2z57ta +jts s?

  13.31: A monatomic ideal gas under-j0 rg9ejty;zp i dbu y9n037kgoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with th 0 yjbr9n7;t9p yiz30e-dukgje gas has a value of zero?

  09.33: An ideal gas undergovd/ v2bg9ot1y) f em(yes an isobaric expansion followed by an isochoric cooling. Which of the following statements mu1/oyb2gf( )vevm dy9tst be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric exylv,g3 tg d0 nul*03qtpansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choi l3gn ytgd,*tlq3v00u ces best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergo aq)c1zxe mc);es an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the followiamec;1) qz) cxng statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an,s*zrr(c 6wji/so ru+ enclosed ideal gas in which the pressure decrw r,z( sr+*s/r cijou6eases?

  15.47 One mole of a dsd*, bi-a: ygfh;h7 9 -viyxxoq(5svjb:ynf/ iatomic ideal gas undergoes a reversible adiabatic 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/9;7v*s(yb: 5xnxy-fvb, a yhqgdih-i s j:fo, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equal volumk+fg usgvq538/oowi: e containers with the same pressure and temperature in containers labeled A and B. After the pro v/wo+gs35qgkui:o 8fcesses 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 pox*8d lksip6z96o 8ch nssible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Pro8isdn z*plc6oh 6x89 kcess 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 o ztg2l1 z 3;f(docgcf,gsa58jf P, V, and T for an ideal gas, which one of the following z1gjfl2;sg(atcz5 cf3g, 8 doreversible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while contain choaaq)x071:vgg 63 zcp(y i9g,fndl er B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles oapg( h aldv1709 gzqf incc:)3xy ,o6gf molecules. 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 idxs c.wa7*5dlslszzq5 h 5b*kz(jnu : 7eal gas has pressure P , volume V , and temperature T . Which of the fw b*jhs5(s kls7*zl5 q zdc57:zux.anollowing processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a moumdyy k 4mege*v0.gaf 0vj; 8.natomic ideal gas are to undergo reversible processes. Which one of the8y0ykug; da4f gm.m*.v 0 evje 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