Notes on Chapter Nine

314 j 1 kj 298 k mol k 103 j b8 g 9 125 5068 kj mol

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Unformatted text preview: .4 10 3 kJ / mol. C (Cp ) H 2 O(l) from Table B.2 Q b n mol C 8 H 18 consumed ej 8 H fo ˆ H ( 5068) ( 4850) 100 = 5068 bg CO 2 g o f C8 H18 l e 9 H of f 8 j bg H 2O g 393.5 eHj o f 9 4.3 % bg C8 H 18 l 241.83 5068 kJ/mol 256.5 kJ/mol There is no practical way to react carbon and hydrogen such that 2,3,3-trimethylpentane is the only product. 9- 5 9.11 a. bg bg n C 4 H10 g i C 4 H10 g Basis: 1 mol feed gas 0.930 mol n-C4H10 (nn- C4H10)out 0.050 mol i-C4H10 ( ni-C4H10)out 0.020 mol HCl 0.020 mol HCl 149 C Q(kJ/mol) 149 C (n n-CH 4 H10 ) out 0.930(1 0.400) (n i-CH 4 H10 ) out 0.050 0.930 0.400 (n n-C4H10 ) out 0.560 mol (n n-C4H10 ) in 0.560 0.930 1 n-C 4 H10 b. c. eHj H ro o f References: n C 4 H10 substance n 4 H1 Q H z 149 b kJ molg kJ mol 9.8 kJ mol b kJ molg 1 H1 0.600 H1 0.400 B b 124.7g 10 n out (mol) H2 Table B.2 Cp 25 134.5 H in C 4 H 10 LM MN o r n C 4 H 10 n in (mol) C 4 H 10 i Table B.1 0.370 mol H eHj bgg, i C H bgg at 25 C o f i C 4 H 10 0.420 mol O kJ dT P PQ mol ˆ [ H ro H2 14.29 kJ mol ˆ ni H i H out ˆ ni H i ] 0.370 LM MN z 25 Table B.2 B C p dT OP kJ PQ mol 14.14 kJ mol 1 14.142 1 14.287 9.8 kJ 325 mol feed 1h 1 kW 1 mol feed h 3600 s 1 kJ/s 0.90 kW out 9.8 149 in 3.68 kJ For 325 mol/h fed, Q = d. ˆ H r 149 C 3.68 kJ 0.370 mol 9.95 kJ/mol 9- 6 kJ...
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This document was uploaded on 03/06/2014 for the course CHE 2172 at LSU.

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