15.25: A gas undergoe8oj eib96rbo 7s 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 cyn (ihzmh6ih dsp 5bx0)gz 2b2)linder, the stream of gas feels cool. This is becaus z2szdih0nh ) bpm6g)(i2b5hx e

  94.35: A gas can be tjcubrv7 pt*mt.s -:l8aken from state a to c by two different reversible processes, a→c or a→b→c. D rp.m s:ublvt-c tj7*8uring 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 much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the process of g(e34gzawl s6 ,l2tmg7jau7qq oing 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 going a to c to d, what is the total hgm qeuqjg,7z l23la(as746tw eat added?

  96.22: When an ideal gas is isothermallyy*j1sa w53l ay compressed:

  97.15: Which of the following is alwace*zcn5d ;)yeys true for an isothermal process of an ideazed5*ey; )c ncl gas?

  13.31: A monatomic ideal gas undergoes a reversibl r2wscbnhgt(e17mn *u07h wi, e isothermal expansion in an enclosed containe,ehhb*(un w7rw2cs0 i1gtmn7 r. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed bq*cdj2f 0j:lrrnbt0 * 0u /anku2dlz-y an isochoric cooling. /nj20url0q* dk bjcu f0 :-2rnzadl*tWhich of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansio3s ;h)b)u.jhumg ,zdh1 y+:d5wj ctshn. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices.h)umb 5gy1:s jt; +sz whjudc)dh h3, best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, idedg+aj0 f 0wb5xz73b) s1u xwonal gas undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of thd) g3b71zos5 0wjb+n0auwx fxe following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on ,spz-hxn w-a8 an enclosed ideal gas in which the pressure decreasp nz8a--wshx ,es?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic pro4 *r80vub)jw aun4(/ur zvitacess. 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 the surrounding()i/44 0rw *uatjub azuvrv8ns?

  03.48: Two completely identical samples of the same ideal gas are in equah1ilr -y1kjg(u s5mh0l volume containers with the same pressur(gy0kium5rshj h 1- l1e 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,x /ihs) meq7tm1rkq- different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant )eq7istr 1mx mhkq,/ -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 gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas, which gch1 nsg6 w--xl h 6ybvya5-6jone of the following reversible processes has thxv- bs6 y1l5cj66 -gnayhw h-ge most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas,ejdsamt7vs2 yh:9;g2 g y w0py-ae8 i: while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of molay msdegvysw-jigaey::78p22t 0 9 h;es 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 monatom0*ik t)rhyqijacl5 ): dso2q/ic ideal gas has pressure P , volume V , and temperature T . Which of the 5cya q*ods/tj qh)irk 02il :)following processes would 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 uzmlm,+n+m e8 dndergo reversible processes. Which one of the following choices is a correct statement about the heat associ+,+lmmz 8em ndated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling