Split_00009 - 9.14 a. bg C 7 H 16 g C 6 H 5CH 3 (g) + 4 H 2...

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9- 9 9.14 a. CH g CHCH g ) H g ) 71 6 65 3 2 bg →+ (( 4 Basis : 1 mol C 7 H 16 b. c. d. 1 mol C 7 H 16 1 mol C 6 H 5 CH 3 400 ° C 4 mol H 2 400 ° C Q (kJ/mol) References : Cs,H g a t 25C 2 b g ° substance mol kJ mol mol kJ mol CH 1 H in in out out 6 1 78 2 23 n H n H H H H ±± ± ± ± −− 1 4 () 0.2427 6 400 6 1 fC H ( g ) 25 ˆˆ ,400C: ( ) ( 187.8 +91.0) kJ/mol= 96.8 kJ/mol p HH C d T ⎡⎤ ⎢⎥ °= Δ + ⎣⎦ =− D , C: (+50 + 60.2) kJ / mol = 110.2 kJ / mol 65 3 H C Hg ) Table B.2 400 2 25 400 + L N M M O Q P P = B z ± ( ± ) ( C d T p Δ D , C : C k Jm o l 2H 2 Table B.8 400 400 1089 3 = B
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