15.25: A gas undergoes the9f67hu uvh s8o 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 cylinder, the stream of gas feels cosz* gwtlubl(b 3cdta)iv*j p 8(e)2d0 ol. Thi pg 3bdlst)dbc)ia(j8t elw2z*0uv(* s is because

  94.35: A gas can be taken from state a to c by two difp:nsf y lu p7e1uwf):-ferent 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 process a→b→c, 25.0 J of heat are added to th: s ey1fwlp-u:n )u7fpe system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Vof;6gc )vtwg 09t(lp0s3rvg)/v b1 kilw0 vrbolume graph shown, 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 t;tlbp /cgfbv vw k 0wvrv3gig9(1 l60)o)r0sthe process of going a to c to d, what is the total heat added?

  96.22: When an ideal g8w;l/vi ar*anun/ )dx as is isothermally compressed:

  97.15: Which of the following is always true for an i e67k5urqdu9ev5l k o x4wqf2+sothermal process of an ideal559er+7uo 2d4 uxvefl qkqk6w gas?

  13.31: A monatomic ideal gas und .)o3 rv 5sqqysq*/twxergoes a reversible isothermal expansion in an enclosed cono t5wq/ yvs 3qr.s)qx*tainer. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansior9 p qy(8nsfjok w7t td 0z2v87swc5v/n followed by an isochoric cooling. Which of the following statements must be true after the completvcf2/7vjss 8k q9d7(5wnz oyp 0 8trtwion of these processes?

  11.44: One mole of a monatomic ideal gas nlr w:qa5ax,)undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the amount of work :l5aw,nrx )a qdone by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric proceswwj8,xpxpoj ;7 p6b0y s. During the process, the gas performs 80 joules of work on the surroundings. Which one w8po0pj b x;,6jxwp7yof the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on hnl)e 5jt b6ox1k)gf: an enclosed ideal gas in which the pressure xogb5j)h t1 ):l6fnke decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabn20u*;g uu2pdlrr-9tptyfa2u u)y 3 matic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during t*-tf2 ud ulr)3ry um patp u2n09gu;y2he adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples n.jrc2q7/7w .*vlh;jyc embt of the same ideal gas are in equal volume containers with the sl7.ctwb*7m ejr2qjhc/ v; .y name pressure 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 different possible reversible processes perform n , yuvzplkiu7yt:952.tptaht01m)ved 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 prokmt7t hu5y2u1ptz n.y9 v,v la0pi t):cess(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas,iqt) bbkhx icl ;+fn13 -pp4*k which one of the following reversible processes has xi+p c4k3n )f q*lhb iptk-;b1the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has a *5g4u sz c cwz0c-4xgwsample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles of molecules. Each gas now us0zz5ug g4- *4cwcxc wndergoes 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 gas has pressure P , volume V , an1 ibodl9y5f y)d temperature T . Which of the following processes would result in the greatest amount of f1y)y5lbd9 oienergy added to the gas from heat?

  13.48: Two identical samples of a monatomi2hqa tp 2q7 r6lpgu6d-c ideal gas are to undergo reversible processes. Which one of the following ch62trg6plau -7hdp2q qoices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling