15.25: A gas undergoe2kt- 4 uh 7cllh(x7y-g,nfgzss 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 cylxttqf/hza3j l6y2 .,dqje35g i;t h. kinder, the stream of gas feels cool. This is beca. 6jk5t/tel;fhh t3azqjy g3.di q x,2use

  94.35: A gas can be taken from state a to c b1s5 jbyz5) fxdl/n3eyo(i9v ry two different reversible 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 the system. During the (y5noldejs/b5x y )fiz1r93 vprocess 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)w8;,n zkq *mfpvc)b s+naa u1 shown, in the process of going from a to b 60 J of heat aren,na;8 z)k+a *p c)vm buwsqf1 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 added?

  96.22: When an ideal gasra:c5wo syyth /: 7su42 -dhtf is isothermally compressed:

  97.15: Which of the following is always true for ani6.r: /k vsqov2dd(/dcbvdy1 isothermal process of an ideal gs/ dy k:c ddv1vr/q b6v2i(do.as?

  13.31: A monatomic ide:g(.h+ iasd,qgcab 3gal gas undergoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has a v.cgh ,g+bd3(: aqgia salue of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoric co8 ziwcry n qhkp)g.3*3vx 6cjm6ojd03olr dyc63g8n0j3v *z.q xoj c3wk)ip6 mhing. Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergom3h5gs u4y a,w0r*9 lhbl;nb ges an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choiy3hl b; u0gmswa*l 495, hgbrnces best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobarg tcs.+6tonv.- i -j9mtymbd)ic process. During the process, the gas performs 80 jot ..gv+6ms cmjb -ttd )-9iynoules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not truel0duen kz96cwkl f5 + 5whb:4s of an isochoric process on an enclosed ideal gas in which the pressure decreases? wn:k4u bdlzw09lc k55+ef 6sh

  15.47 One mole of a diatomic ideal -snujb1 .0dmw2ejx6egas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atmb-xnd e sj02wu16j m.e 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 ideal gasg 0cy xqosyq:n4zs 15: are in equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are performed on the gases in : :xy ngsc4z soy05qq1containers 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 fo rmc--qq7o i inh;bn o+ie/:c8am*ei8ur different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperaoi7-i -+/r a m8e i8b*oneq:cqcih;mn ture). 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 one of thebx9 zb lgajn93 d1rs/sbp;kyz: +h k)) following reversible processes has the mob1bhyzs+j:n s;) xa) k/blkp r9gdz93st heat associated with it?

  04.45: Container A has a sample of monatom:otu4u 8 7lh-lie*)hieox*4za7cwfaic ideal gas, while container B has a sample ofhweoaz*cel uh*i8a7l xu4)-t7i4 : o f 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?

  08.44: A mole of a monatomic ideal t7c+d k9*xzcf/:feov h0apt1 gas has pressure P , volume V , and temperature T . Which of f xv :o *dzeck/t1h7t cp09fa+the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples yj4e2g2ge tlh-:j5yf of a monatomic ideal gas are to undergo reversible processes. Which one of the following choices22fje 4h e5-gyljg yt: is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling