15.25: A gas undergoes the unusual pro shy 9fc59 chrm8u9yp-zixd;9cess 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 9b)sj )yht ypgtjjj3h/l19yj.b 97oifeels coo9l/o)yjs91jji9 3)pbg hb.tj yyhtj7l. This is because

  94.35: A gas can be taken from state a to c by two different reversible procesmyuz;*t.j +n9o c sy5sses, a→c or a→b→c. During the direct process a→c, 20.0 J of work ar u9mssj+c.y*ozy;t 5ne 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, ino45nojiq z/ j1i87c 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 the process of going a to c to d, what is the total heat ii4n o 7qz18n5ioj /cjadded?

  96.22: When an ideal gas is isothermally compressedowy+g sxlu8yo3xu : ;1:

  97.15: Which of the following is always true for an isotdyovb j(* o)6ihermal process of an ideo)b v6j *(odiyal gas?

  13.31: A monatomic ideal gas undergoeqh-jn gsg8dca46n v* 1s a reversible isothermal expansion in an enclose1ncg-4 6vnhd s8j ag*qd container. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion follo6rxhzi+)i4l r5ad+ ss wed by an isochoric cooling. Which of the following state )xs aihs56 rrli+4d+zments must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an ish(-dm :uyqxq9 c y8+vkobaric expansion. In the process, the temperature of the gas increases froc9 xv+(umqk8-qd y:h ym 300 K to 500 K. Which one of the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. Dura8ux u9zt6m 8uing the process, the gas performs 9u8z6a 8mux ut80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isocha(6rh+6gunje l d5uo.oric process on an enclosed ideal gas in which the pressure de+oe d6 (j.6grnauhu5 lcreases?

  15.47 One mole of a diatomic ideal whi 1euficf( :sj/eazf9r(,1gas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the vofe i fhajz1(1wfu(seic,:9 r/lume 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)jef 5add c,8 u2ed*zz same ideal gas are in equal volume containers with the same pressure and temperature in containers labeled A and B. Aft e 2u*z fz5j,)eadc8dder 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 possiblejy1.6u1k uwlf reversible processes performej w k16u1l.ufyd 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 which process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an iy9:q kai-+n*m3 jocfmdeal gas, which one of the following req m3*j +yafic:o-k9m nversible processes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas pyi35 uze2 p0e*v+k9ux/qenh, while container B has a sample of diatomic ideal gas. The two gases start witxuev h+ q0p*ei2p e5n uzyk9/3h 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?

  08.44: A mole of a monatomic ideal g:90 n5qw a/bloud6wzew; ggc 7*r tew4as has pressure P , volume V , and temperature T . Which of the following processeqg0oeg6d9 * 5 / 7uznb:wecaw4lrtw; ws 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 u3z tf)kp0uecq:qz 3a1ndergo reversible processes. Which one of the following choices is a correct statement about the heat associated witac1)eupqk3 0q3t zfz :h the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling