15.25: A gas undergo it1js v9th -.b;+m7cwyn.irjes 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 fromdmd hipf)gb/l292 n1)j 8puj m a pressurized cylinder, the stream of gas feels cooln)ml1pm9 8j2dh if2u j)pgbd/. This is because

  94.35: A gas can be taken from state a to c by two d,qu sa+n3 to ;1wsnh8 6eev*oqq(fcl86 2fped ifferent 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 t cffon*s1eqe ,hd (8ealt;3 +8un26o spwqqv6 o the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure vers *abwrf86y a8cus Volume graph shown, in the process of going from a to b 60 J of heat are added, and in the p8a8b*wc 6rfayrocess 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 gau n:rw4eua9 p/s is isothermally compressed:

  97.15: Which of the following is always true for an isothermal pm4q)gkm z)3nr:)4 wnnye d *yurocess of an idealmw r 4unen)n mykg*)4:yq)zd3 gas?

  13.31: A monatomic ideal gas undergoes a reversibgef 13*kb3 cixle isothermal expansion in an enclosed contai*3keb 3 xgf1ciner. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followtv2g+ u;.vv oytv18e kcf3/r ned by an isochoric cooling. Which of the following statemen 81ftvo tuvvrcg3k +y.vne/; 2ts must be true after the completion of these processes?

  11.44: One mole of a monatom4xx( q1 ;;a1f;vs iaojrxy73hp 67(hxeo oflwic ideal gas undergoes 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 the amount of work done by the gasj l;op;s aexvr(wqo6o;1h1f4(yfxha73 xi x7 on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobic ,z0w4xiu r7 j9udr*aekw81aric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best descri z d1xr,7j4*9ukw c0eriuwi8abes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas in a/1 r.rd v3d:sb;jcqasz0we( which t0:sa1r dj( bdew 3/sqavz.c;r he pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatiyogkd1r 8:w f0c process. The pressure andrk y80 odgw:1f 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 ;uo cc7xlkb2st. a/.ithe same ideal gas are in equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are performekc2ai./7xb ;loc . tusd 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 p5s94zo1gil 67o penfdifferent possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant 694ipg 7 1 5oolpsnfzetemperature). 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, which on2ou- 8.w7 .n futhmvwszu u5.he of the follnu 8tzv 5w..fuhu2m o.s7wh u-owing reversible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while containerzt5)or4 p y2 kae3-mmm B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressur tmmakr2y3ze)- 5p4m oe, 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 temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volu.d );p;0czkegmjg5 un.q mq4 bme V , and temperature T . Which of the following processes would result in the greatest amount 5).mkcqm.j0;;e 4 qgub gdzpnof energy added to the gas from heat?

  13.48: Two identical;y;sw 9k7iv zwwz1;slmyax ): samples of a monatomic ideal gas are to undergo reversible processes.9av7wy;k:1swwy ;z); xmszi l 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