15.25: A gas undergoes the unusuc-x fr d7xbxak 8nn(cz0/k b3(al 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 pre8 *v+8j.qrdfdhl9 4sgs8pw njssurized cylinder, the stream of gas feels cool. This is becau*dfhd8rjsv.9q8 s+ g 48pjlwn se

  94.35: A gas can be taken from state a to c by two different reversible proct;pecyzt, (mww)+p4jhc8 t 0hesses, a→c or a→b→c. During the direct process a→c, 20.0 J of wop8t)t0+ cp ,wj(h eyhzwm4c t;rk 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 versujrtialj3 g (3o)* 5xjl8v qys6s Volume graph shown, in the process of going from a to b 60 J of heat are added, and in the process3 q86)3ts oij(jy5allvgrj* x 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 gas is ir + 55cad0d,n x jp;mbwp:yyg0sothermally compressed:

  97.15: Which of the following is always true for an isotzk2 6ypn504opavq d6al*aubo o3t4l y1j f*j+hermal process of an idej lt2 nakyvl0ju f6o1ay +a*q6b d4o*pzop54 3al gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expans;bktd7tw18owf3l o wlc 1w8l(ion in an enclosed container. Which one of the following quantities associated with the gas has a value of zero?l ltw718 3dfwl8bc1o(wtkw ; o

  09.33: An ideal gas undergoes an isobaric expmae -wjv7hnl+ q6cl .):g k(feansion followed by an isochoric cooling. Which o7)neq-c fhj+ 6mk(wl:.v elga f the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an in57bszwf ox) 0sobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best rb wx)f57zs0o nepresents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During thdn)ags(w p5tmr+ .zc+ e process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during th+(g s.5p twrma+cn) dzis process?

  07.40: Which is not true of an isochoric process on aad,3z(sc+nng 5: bxt 6u mzu7nn enclosed ideal gas in which thnsu(t5, 7zx b3uzn c: m+a6ndge pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic processnes bt. *wa uy:vcz. 2p:n54ms. The pressure and volume initially are given as P = 2.0 atm w. st.ey b nvm*ncapuzs 54::2and 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 same ideal gas a+uzxtiyaio9rk3n nafz 6- 3p(c(/.yq re in equal volume containers with the same pressure and temperature in containers labeled A and B. After +aqpi3 x z6-a(y93y( nz.ifoktc/ runthe 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 procez7z kk;,o.qdqsses performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant;zq.o z,7q kdk 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, whvn)8tk :bwd9l ich one of the following reversible processes has thbvlnkd: 89wt) e most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has a j+6u 8aa.osm u1et0wm 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 tem +eu am1a0t om.us86wjperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V ,w 0hre/(ou + uptuye:6y.-kwf and temperature T . Which of the following processes would result in the greatest amount of energy ouwp/u:+ryek6ef. u0h (t -wyadded to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to rvc 5u2 6au;ppundergo reversible processes. uvu ;5p6 prac2Which 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