A75320 590 lets add a third molecule as shown

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Unformatted text preview: the histogram can calculate a histogram de ning the probmolecules molecules and distributed roughly equally ability distribution for the two molecules in a after which you can remove these labels to between each of the the center. ce time we have added a very narrow spike attwo sides is much more is done chamber system. ule distribution is identify which con gurations are identical. This two in the text. H..,532*0 L5/6763.308 )*+,-./01,234+,0*+,-5/6763.308,/9,4753/:1,;310536:</=1,/9, probable than the distribution being skewed (which may sound like a to either the right or the left side. uld only correspond to >/.+?:.+1,6+0@++=,0*+,.+A,7=;,532*0,-/5</=,/9,0*+, Let’s add a third molecule as shown in Figure 4.12. But nowthe chambers the f:O2) the chance of all of 4.10 We begin this (important!) thought experiment with let’s designate evacuB71C",K*70,31,0*+,-5/6763.308,0*70,7..,/9,0*+,>/.+?:.+1, ng to the left or to the right for object in contact with by experience possibil- molecules by A and by B, and the other gas-phase molecules that weexplicitly over a we except Hundred indistinguishable a C. And, in addition, let’s observe list !"#$%&'% zero. In fact, thethat when atedplace a hot two Molecules 75+,/=,0*+,.+A,3=,0*+,=F'!,?71+G out the possible arrangements: we, at certain intervals, count the number of times we al even be skewed w period of time during which n toenergy will oto spontaneously from the high temperature r diminishes rapidly as we observe the available con emperature body. But why All in the le ithamber: gurations,do this? 1. is!"'! Does c have anything to which H",'M#,F,!"( )(½) = ⅛ the le -hand (ABC)–( are (i) both)(½ ) (½ molecules in equal order of the mol- chamber, (ii) both molecules in the right-hand chamber, (iii) one molecule in the With divisionand disorder? 2. All in the right chamber: ( )–(ABC) ((,F,'M&#,F,!"!&' trated that this process, I",N'M#O ½)(½)(½) = ⅛ as molecules throughout a le -hand chamber and one molecule in the right-hand chamber. We can draw a 3. Two in the summarizes our ndings. e probability of nding one molecule !"!( neous process by a purely histogram thatle and one in the right: J",N'M#O'!,F,'M'!#$,F,!"!!!EP ( as )–( C ) of the system. We did not in the le -hand chamber is ½, just ABthe probability of getting “heads” in a coin 4.11 such as energy or en( AC )–( B ) toss is ½. e probability of nding both molecules in the le -hand chamber is )*+5+,31,7,',3=,#,?*7=?+,N-5/6763.308,F,'M#O,0*70,7=8,>/.+?:.+, an to say that the energy !"! ( of )–( A two (½)(½H..,.+A ), just as the probabilityBC tossing ) “heads in a row is (½)(½) = (¼). ) = (¼ H..,532*0 not zero. So, we can o er ?/:.;,6+,/=,0*+,.+A",)*:1Q,0*+,-5/6763.308,/9,R=;3=2,0*+>,7.., on of spontaneity by saying ButOne same logic nd two in the right: 4. the in the le a applies to the right-hand chamber; the probability of nd...
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