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| Equilibrium Expressions |
An important industrial source of ethanol is the reaction, catalyzed by H 3PO4, of steam with ethylene derived from oil:
C2H4(g) + H2O(g) ⇌ C2H5OH(g)
ΔH°rxn = −47.8 kJ Kc = 9 x 103 at 600. K
(d) In NH3 manufacture, the yield is increased by condensing the NH 3 to a liquid and removing it. Would condensing the C2H5OH have the same effect in ethanol production? Explain.
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