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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 +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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