15.25: A gas undergoes the unusual prs xb dl4f 88e67a9upftocess 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 stream of gas feels d4)o+(r snrbi cool. This io nbs+r)4 di(rs because

  94.35: A gas can be taken from state a to c by two different reversibl+t wyk)dwc; )pkbq2q )e 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 thtd;b)w)ckpy) 2 +wk qqe 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 ve bw.ge e:/u;-1 wwatkqrsus 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. In tuke a.wqwg;t/b 1w: e-he process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothermally comf+d1/kx 5xt0o2la g tkpressed:

  97.15: Which of the fol02 qgjp5 *xywa(4 fxxwlowing is always true for an isothermal process of an ideal gaw(045wy*2qxfgx axp js?

  13.31: A monatomic ideal gas undergoes a gy jp8cuz1-o+v a.k1 ereversible isothermal expansion in an enclosed container. Whipcovkzg1.ja8- u+y1 ech one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas un,owwt ,-dsg y;dergoes an isobaric expansion followed by an isochoric cooling. Which of the following statements must be true aft,,o ydw wst;-ger the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expan.r.oddv :pl+q sion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following ch:.qold.vpr d+ oices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the proces8z z-0jhdpd 8js, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange dur0j- zjpd hdz88ing this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas inj,+p .e1ne30(* cmi:c; )7xbohj ig dtsxseds which the pressure decrease ibgep )co,hdcjeds1is3( mxt+0 njsx7: *.;es?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic process.kdge46 trap v32vd+-o4 xn(rw The pre eawo krrd6 v-(xtd32p4gn4v +ssure 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 samples of the sam6 we.)fl rn4ple ideal gas are in equal volume containers with the same pressure and temperature in containers labeled A wrp4 le nfl6).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 possible reversible proces twg3z0) qp3gsses performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Processq)s wgz 3tgp30 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 id qseug1t0s )a qi1s:o/eal gas, which one of the following reversible proceq0usigs1qe :1/ot)as sses has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, whil*so 3n2i0sbv hq ch4y+e 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 temperature yihqn*s4c+s32ho0 bv ?

  08.44: A mole of a monatomic ideal gas has pressure P , 5u;: fyyi 89iozc:rc hvolume V , and temperature T . Which of the following processes would result in the greci:9 5yf8o iuh:;rycz atest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversible yw-7v:t pxs.7 jq dy)eprocesses. Which7 t.xd wj)7p:eqvs-yy 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