Elementary Principles 362

# Elementary Principles 362 - 9.15 a. bCH g Obgg CH bgg + H...

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9- 10 9.15 a. b. c. CH O g CH g H g CO g 3 2 42 b g bg →+ + Moles charged: (Assume ideal gas) 2.00 liters 273 K 350 mm Hg mol 873 K 760 mm Hg 22.4 liters STP mol CH O 3 1 0 01286 2 = . Let x = fraction CH O 3 2 decomposed (Clearly x<1 since PP f < 3 0 ) 0.01286(1 – x ) mol (CH ) O 3 0.01286 mol 2 600°C, 350 mm Hg (CH 3 ) 2 O 0.01286 x mol CH 4 0.01286 x mol H 2 0.01286 x mol CO 600°C 875 mm Hg Total moles in tank at th xx x == + = + 2 0 01286 1 3 0 01286 1 2 .. b g mol PV nR T nRT n n P P x x ff f f 00 0 0 0 01286 1 2 0 01286 875 350 075 75% =⇒ = + . . . decomposed References : ( ) ( ) ( ) 22 C s , H g , O g at 25 C D substance (mol) kJ / mol) mol) (kJ / mol) CH O g 0.01286 CH g Hg CO g in in out out 3 2 11 23 4 n H n H HH H H H ± ( ( ± ± ± ± ± ± b g 0 25 0 01286 0 75 0 01286 0 75 0 01286 0 75 0 01286 × −− × × × CH O(g,600 C): J mol kJ 10 J 62.40 kJ / mol 118 kJ mol 3f o CH O 3 3 given 2 1 298 873 2 1 18016 D ± ( ± )( . ) C d T p =+ L N M M O Q P P ×= + =− B z Δ Table B.2 4 600 o f C H 25
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## This note was uploaded on 02/27/2012 for the course CHEMICAL E 312 taught by Professor Cheung during the Fall '11 term at The University of Akron.

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