945 kj o2 2h2o 2co2 3h2o c2h6 o2 1424 kj o2 o2 283

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Unformatted text preview: ∆H for the following reaction: (10 pts) 2CO2 + H2O → C2H2 + C2H6 → C2H2 + 2H2 2H2 + 2CO2 + H2O → C2H2 + ∆H = ? +94.5 kJ O2 → 2H2O 2CO2 + 3H2O → C2H6 + O2 -142.4 kJ O2 O2 +283 kJ ∆H = +235.1 kJ Chemistry 101 Exam 2 Name ____Mr. Perfect_________________________________ Date ______F 13_________ 9. How much heat in kilojoules is evolved or absorbed in the reaction of 2.50 g of Fe2O3 when reacted with an excess of carbon monoxide to produce iron metal? Is this reaction exothermic or endothermic? (10 pts) Fe2O3(s) + 3CO(g)...
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This document was uploaded on 03/19/2014 for the course CHEMISTRY 101 at Los Angeles Harbor College.

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