15.25: A gas undergoh2jr q8 lh9a(f37rsl2y bpzj(es 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, thd)b.) m; tp(nzjpx(rle stream of gas feels cool. This is becau;bl) .dnz j(ppm xt(r)se

  94.35: A gas can be taken from state a to c by two different )m5yr:iap2x bf/qut2 8nc lc)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 to the system. How muchi:uy 5cp8l)axf rqc)22 t/ bnm work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the process of goq 4ayoj4bu5 k7ing 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. In the process of goin 7o44a5ujb kqyg a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothermally compremy6ztl prl:)7hon;y f4 2d y9cp)cgv.ssed:

  97.15: Which of the following is almi+i qm ;moe4vcfq 1kg k+-,-5nrt (tlways true for an isothermal process of an ideal 1q;m( e+tc5 r+otnkv ,g4mm qif-l k-igas?

  13.31: A monatomic ideal gas unde+fbz4l7xl ) vu;qi m6xk1tr ,qrgoes a reversible isothermal expansion in an enclosed container. Which one of the following quanfk u) ,1;btvlmq6x47 z+qixrltities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion foleaq2n xj *;dj8;sonr*m x*g3v lowed by an isochoric cooling. Which o*gjaq *m x re *oxj;nd32v8n;sf the following statements must be true after the completion of these processes?

  11.44: One mole of a mon kav g;caj2t1:4b 4p+rtvo5bkatomic 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 amount4;g+k j1a4p5v:kt ra2bvtcbo of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoe0b f9tufn8 -pgv32(riv pdnw,s an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this f nu 0b2wd9,t (v-p8p3 nfgvriprocess?

  07.40: Which is not trn,n j /rji-;dek+ 7u48gv4aha revu5aue of an isochoric process on an enclosed ideal gas in which the-4rjajv adug ev;5e7ka n, n+48huir/ pressure decreases?

  15.47 One mole of a diatomicrf /n5xop ye639)qrqw 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, how much work was done on the gas sample by typnewqx693rfq )o/ r5he surroundings?

  03.48: Two completely identical samples of the same ideal gas are in eq /z0p 0eyc:jtc8zzt0dual volume containers with the 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 zc00pt e 8ctz y/j:dz0temperature?
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 fo;vs9fwj+28b5p t xw7kmr; tnhur different possible 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;xvw jn7mttsh 2fw+k5 98r;bp 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 one9g :o+ kv bal:zy1brpui+n.-*p,eqqg of the following reversible processes ha+n-ku1ig.p g:v+qz*r b qybl e pa,9:os the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while 754pzf eacivyycg/:) lzv ,)wj; 4jgbcontainer 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 ad v4gp )zi v,zw5ga /4jc:l7fyy;bcje) iabatic 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 , vv.8 a lxrtj/ 0d4jre9colume V , and temperature T . Which of the following processes would result in the greatest amount of energy added tojrtlv8 ae cj0x/d94r. the gas from heat?

  13.48: Two identical ;6 5j easj 9q 9,tn(rcmm7jrl*yzvs-gsamples of a monatomic ideal gas are to undergo reversible processes. Which one of the following cho6gmj7qa slty,r-n(9jmcv95* e s;jz rices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling