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Chemistry
OpenStudy (anonymous):

The enthalpies of formation of the compounds in the combustion of methane, mc019-1.jpg, are CH4 (g): mc019-2.jpgHf = –74.6 kJ/mol; CO2 (g): mc019-3.jpgHf = –393.5 kJ/mol; and H2 O(g): mc019-4.jpgHf = –241.82 kJ/mol. How much heat is released by the combustion of 2 mol of methane? A. mc019-5.jpg80.3 kJ B.mc019-6.jpg802.5 kJ C.mc019-7.jpg1,605.1 kJ D.mc019-8.jpg6,420.3 kJ

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