125ch19d - «w 757.1 z#02 m ‘""A ’,0(fl g...

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Unformatted text preview: «w @ 757 ' .1; z #02 m) ‘ ""A __,, ’ ,0 /. (fl. ,_ g v—"’ I A {/.I/ ( I) l 1 4 ‘Fe n . i % .Iflll/l 'v , g s '4 name. ‘Reaction (a) Sign of (“sign of (b)l( >1? (c) Veriatlon inK _ AH" - AS° as Temp. Increases - (D - - yes decrease _. —- (ii) + + no increase —W W (iii) + + ' no increase 'wfi—H- W (N) + + ' no increase fl " -. ' . .71]- : 1.14114- 1 - (a - " . ‘ _ - 7 ’32; __ M... a, Ill/11 / /l. s 1 (IQ/21 —- »’(_‘ . .-l M 1 I] g 4,711 I ‘ 4? IL ‘ _ /_ ‘- 4” s M: 4/44 (‘fil [A a 46' ’14144‘ - 4 ’ ' ’ 5W m ~ I 111‘ .L; [/1 A [1"‘4 ‘ >+1 59 A», W I r / . . - Ix. 1,241.; #411 z is a / A _A :v _ {40 x ._; g I (2 ’ 291;]! t /' A . _ ’ _ I 4/”. f (H Q, . WM) , We; ' = «7125‘ ' % Ma: * TL/pw? F, __ _ 2'7: z‘ “— ____ ‘ W A/”40 5°ZQ 7M 7%2 _ mcflFL ' _ W w A a: — ' __m.-_££ K>z , A/ba a» 44040 ____. /' . 7'>0) L7: K=2 m #3 945 r» ' 7 41/4/20 K ‘ 6,. ‘5040 -' -7’__zgg___ imitimféi:235—_ZZ7V>0 WW‘ ) jg” >0 _ i. K 454’ - 7— . ._ _.....‘. _ T W 7215 712/»): 5/ 6’ ML ‘ ‘ __ .- 42M EM/‘fiflmé 4/?! fizz/m) _ M [$400)] M 1'5 d I E r _ _m_._£éjzaflézs)+ £414.92; 5 +5 z @5227, 13) 2—21/-7/p,v7+ @402 2: $2575”; S’Lf _ (3922723320? awn/k (on?!) =— 4402 ._ y __ a “._____L_{‘ /' 4/ 7/3 _. cvm _.. 4/ .X/ 7—» . 'rL .1 ‘ lo. I - / ' ‘ -«m A, , m, l | /.!‘-l¢’ I‘llfl/ $41 4%- ' f/ .4" i - ' flak = if 7’1: g; raglagéggzag: é 3 {cf/V4243); 616% _ t’ 24 4"]; If A! . I l ,4 _ / ‘ ’14 '. ' 4“ 1/ (1/ Q;.!//x- . 4 1.1 1 A I" / / ' 1.1.1 ’14-.1414‘4.’ IL! I a '5 ./ ’ V . / I I ‘a‘ ’/ .4 I" 11." g 1'. ’/’ _/ / /1, / I/ I ' 1 //1_ ’//1 11.1 1/ I" 4/. r\ V J H 721* _..,__ W'W’Z #W ,?7 _.Absolute entropy is a fundamental property of matter at a specified set of conditions, that is. a state. In order to lower the entropy of the fuel, either the structure of the molecules or ' the conditions (temperature, pressure. amount) must be changed. Any of these changes would require enerQY. which would reduce the amount of energy available to drive the 'car, ' not increase it ' _ 'é 1? Normal Boiling Substance Point (°C) Acetone, (CI-13)2CO 56.1 29.1 Dimethyl ether, (CH3)20 —24.8 21.5 ; Ethanol, CZHSOH 73.4 . 38.6 1% ' : Octane, Cus 125.6 34 4 3 ' _ Pyridine, C5H5N 115.3 35.1 95, i I f W4. 5% .IIBIIJMM». fifl '. j j j: . The activated complex in Figure 14.13 is a Single “particle” or entity that contains 4 atoms. ' It is formed from two molecules. A2 and 82, that must coliide with exactly the correct energy m; and orientation to form the single entity. There are many fewer degrees of freedom for the 5:- activated complex than the separate reactant molecules. so the'entropy of activation is I negatwe. ' '7 ' 1 >’ ' l" l o J” .IJ' ' I 4 ’1'- 1:“ ’ »- " -’ - / ' $0 m H . /A /4// It. 1’ W" / I I f a.“ 74 1 n’ - r_' _ a) (5+4Z5!§)#35§)+_2 0/?! AZ; ~§3 —- a a 42%: _ q ' w I__~ ii; 1 gimme Aflgwwri ‘ 7‘ 2/155 ) 55(5) + Q/g’lfléz) d ,c «07%.? 2724/ __ _* 0 1714/, 5’01 ...... ___L;._fiLL 22516 9%? my. 33 [(152 .—: pa) + 9/9949) 2- J 1 (-02 9g. 9J+aléounfl= #46. 7/6" _“_ Z 5”: [3/2AKZ)+£//fl. XBQMQQZE; 45} W54 WK __flé’= 51% 7‘45 (9) —(+ —- 7/1 r2; /;< Qgfi/M' (AA/4Q) “W5 4 fiW, fl/ifl é] é/k 40 , _ ____ . V 0/9 [(W’ 4&2. we? w/mfi ' W- M!_ . Mame V'W, £2 Keg 3456476 142 ...
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This note was uploaded on 07/17/2008 for the course CHEM 125 taught by Professor Zellmer during the Winter '08 term at Ohio State.

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125ch19d - «w 757.1 z#02 m ‘""A ’,0(fl g...

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