15.25: A gas undergoes the unusual process 1;g5/)uvt7gvn sbcme 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 sk- j wf-w 8m 4182qcbuzv rwun+3)sdxpressurized cylinder, the stream of gas feels coo+rmnwsb)wxuu 8skw 8j1zvd3 24 c--fql. This is because

  94.35: A gas can be taken from state a to c by tcf z/poi b,,0zwo different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the syz0c/ofi, pz ,bstem 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 Pressuo 6( kfmch4 ,-zc)erw5. xtgayre versus Volume 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 the r.g54k- (ez6cfhomwc xa,yt)process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothermall40 3 l psej54kewzq6lsh 7w7p7p0jwyby compressed:

  97.15: Which of the following is always true for an is(;p) oyd z 5jf k7n1;d izhlp0v4-cbvcwcq**cothermal process of an ideal gaviwjcnl 5 k7 ;p*(zf*1o)ccz4hdydp 0q cv b;-s?

  13.31: A monatomic ideal gas undergoes a reversibletmq/,t*j stx 5 isothermal expansion in an enclosed container. W,j*sttx5 qt/ mhich one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric ; wu )o-cwlj n4gwmej,*0pys1b9ou,oexpansion followed by an isochoric cooling. Which of the following statementu91 4 s;o wlewjwo-nyu,), * cmpoj0bgs must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas uws qd+s)kj 5-uj(w7kfgl u*3*qsyx- xndergoes 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 done x- jx) k5qd*f*sl+qygs73 u(w wjus-k by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric proce8:x.0l65b1rwls7zdhb arx bw ss. During the process, the gas performs 80 joules of work on the surroundings. Which one of w.5rr h:xb8x0l1ba sb6wzl7d the following statements best describes the heat exchange during this process?

  07.40: Which is not true o.6ekh ty3;4f i d7uriqf an isochoric process on an enclosed ideal gas in which the pressure decreas 436yi7k;utfqde h.ri es?

  15.47 One mole of a dia bey5qezzxpx0s9 f1u7x0w7 7 jtomic ideal gas undergoes a reversible adiabatic process. The pressure and volume 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 do7xuz75 py 0xs7 q1e 9zfjx0webne on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideaaizcjoa 0;o(n-sc2 (b-7ln lxl gas 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 containers A and B, which is at the higher temperatur z(0;ln c 2-iaaclxjbno(-o7s e?
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 showvz6psl/f/ (md s four different possible reversible 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 thezsmv(d /lf6p/ gas decrease?

  16.48: From a given state of P, ;i9ujv.a * ezs, y.m 91hiddebV, and T for an ideal gas, which one of the following reversible processes has the m19bde.ae ; uihdm,si zvyj*.9ost heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas,h5oh0bloy3n5 pl e/7aulc9d7 as 0eq8 while container B has a sample of diatomic ideal gas. The two gases start with the 3eso5h/qhlnaa905u8d l 7 pb0ly eo7csame 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 monatom63igo+upd/ abic ideal gas has pressure P , volume V , and temperature T . i+pg3od6 a b/uWhich of the 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 are p .x:po1by 2zt9oe9jt to undergo reversible processes. Which one of the following choices is a correct statement about the he.bto991etz pjyox :2p at associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling