Elementary Principles 43

# Elementary Principles 43 - 4.4 b. n (mol) 0.500 mol N 2 mol...

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4- 2 4.4 b. n (mol) mol N mol molCH 2 4 0500 . . 28 1 0 014 . . n n gN kg 1000g kg N 2 2 2 2 bg = c. 100 0 . g /s g C H g g C H g g C H g 26 38 41 0 x x x E P B ± . . n x x E E E = = 100 1 453593 30 3600 26 45 g C H s lb g lb - mole C H lb C H s h lb- mole C H / h m2 6 m26 d. lb - moleH O s lb - moleDA s lb - moleO lb - moleDA lb - moleN lb - moleDA 2 2 2 ± ± . . n n 1 2 021 079 R S | T | U V | W | ( ) 2 2 2 O2 2 12 HO 22 O 0.21 lb-mole O /s lb-mole H O lb-mole 0.21 lb-mole O lb-mole nn n x n x = ⎛⎞ = ⎜⎟ + ⎝⎠ = + ±± ± ± e. ( ) () 2 2 NO 2 NO 2 4 mol 0.400mol NO mol mol NO mol 0.600 mol N O mol n y y ( ) 24 2 NO 2 4 0.600 mol N O y ⎡⎤ =− ⎣⎦ 4.5 a. 1000 lb C H / h m38 Still ± . . n 7m m38 m m36 m lb / h lb C H / lb 097 003 ± . . n 6m lb / h 002 098 ± ± n n 1m 3 8 2m 3 6 lb C H / h ± ± ± ± n n n n 3 8 3 6 3m 4 4m 2 lb CH / h lb H / h ± ± n n 2 ± n 5m lb / h ± ± ± n n n 3 8 3 6 lb oil / h Reactor Absorber Stripper Compressor Basis : 1000 lb m C 3 H 8 / h fresh feed (Could also take 1 h operation as basis -
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