Explain excess oxygen forming carbon dioxide is exothermic

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The combustion of carbon with excess oxygen forming carbon dioxide is exothermic. C(s) + O2(g) => CO2(g) ?Hrxn = -393 kJ If 9,494kJ of heat is needed from the combustion, how much carbon (g) must be consumed? Enter your answer with three significant figures and do not include units.

Reference no: EM13299073

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