Elementary Principles 372

# Elementary Principles 372 - 9.20 (cont'd) Air g, 150 C : H2...

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9- 20 b. c. Air g, 150 C .67 kJ mol Table B.8 °= B bg : ± H 2 3 NO g, 700 C kJ mol Table B.1,Table B.2 + = z B : ± . HC d T p 3 25 700 90 37 111.97 H O g, 700 C 216.91 kJ mol 2 Table B.1, Table B.8 B : ± H 4 N g, 700 C kJ mol 2 Table B.8 B : ± H 5 20.59 O g, 700 C kJ mol 2 Table B.8 B : ± H 6 21.86 ²² ² ± ² ± (. Q H nH ii == = × = ∑∑ Δ out in kJ min min / 60s) kW 4890 1 815 (heat transferred from the reactor) If molecular species had been chosen as references for enthalpy calculations, the extents of each reaction would have to be calculated and Equation 9.5-1b used to determine ² H . The value of ² Q would remain unchanged. 9.21 a. Basis : 1 mol feed 1 mol at 310 ° C Products at 310 ° C 0.537 C 2 H 4 (v) n 1 (mol C 2 H 4 (v)) 0.367 H 2 0 (v) n 2 (mol H 2 O(v)) 0.096 N 2 (g) 0.096 mol N 2 (g) n
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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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