15.25: A gas undergoes the unusual proc l ,b32ngas6whess 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 feeqtu69rv c :i*els cooeqru9c6*v:i tl. This is because

  94.35: A gas can be taken from state a to c by two different 27vyk o(hn )vv aj3e0breversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the system v 370 vbh(2jenayvok) 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 verstzoo5w)kwv039veoqd; bytu )4h4yd: us Volume graph shown, in the process of going from a to b 60 J of heat are added, and in the processyh wk5oovt 4)9uvte3)w zqb:y;ddo4 0 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 isotj 0mkh 8hh(pwg3k diy9p2s;hie ..vm/hermally compressed:

  97.15: Which of the following is always true for an isoth s j1j)87kmxal,t yh(eermal process of an ideal g1 ,sj(amx7tkl eyhj) 8as?

  13.31: A monatomic ideal gas undergoes a.ga2.gduw+c 2vm d.7i4dnwiy reversible isothermal expansion in an enclosed contai dd u4..d2m7 i.+c2yinvgwwag ner. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an is .t kivx8o6) /,nrw60d jg c;blaehtb)obaric expansion followed by an isochoric cooling0 , r )l)wbxkajntchb;6i 8oged/ v.6t. Which 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 expansio6 n1lq tq7i*dtn. In the process, the temperature of the gas increases from 300 7t* til16qnd qK 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 gatleh,rdhh2ga ve h9-tqlhl:5 v/ 77m(s undergoes an isobaric process. During the process, the gas performqh-lme :h2g(de 9vt75/ vhh,hart7l ls 80 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 78x(i34mqj6ypmy tsz qm8x a; of an isochoric process on an enclosed ideal gas in which the prm 8y azqimj76;48q3p(x xt symessure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a rk.;cy14qh adtax 4 zq5:l-zzreversible adiabatic process. The pressure and rztz4.qca:la;y x4-qk 15 zhdvolume 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 same idea3*o nz56l31*kgyeo1fuls n z rl gas are in equal volume containers with the same pressure and temperature in containers la*nr5kzn zoes6 ly3lo1g1fu *3beled 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 different possible revbqi.v,l(tz lsfc229n99d knmersible 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 which process(es) does the temperature of the gas decrease? 2bi9vsz2,kl9dmtf.(qn lc n 9

  16.48: From a given statty-bb4 d3hdy( e of P, V, and T for an ideal gas, which one of the following reversible processes hash yb34- db(ydt the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, wh,k.)/i6l agtm6t bp miile 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 gi.ai6k6m lt/p)m t ,btemperature?

  08.44: A mole of a monatomic id4 u73 pcaf-nd kcwedoqv113g .eal gas has pressure P , volume V , and temperature T . Which of do1 -43c3ncdq1gfupa7e .wvkthe 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 a09g evwwc.zyis21p f nf z5m,6re to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated with50 1pgfmf9 z.e,sv ww6zic2 ny the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling