Friday
November 21, 2014

Homework Help: chem

Posted by mel on Tuesday, November 27, 2007 at 5:24pm.

Combustion reactions involve reacting a substance with oxygen. When compounds containing carbon and hydrogen are combusted, carbon dioxide and water are the products. Using the enthalpies of combustion for C4H4 (-2341 kJ/mol), C4H8 (-2755 kJ/mol), and H2 (-286 kJ/mol), calculate H for the reaction.
C4H4(g) + 2 H2(g) C4H8(g)

very confused

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