December 1, 2015

Homework Help: Chemistry 2

Posted by Nick on Sunday, February 6, 2011 at 2:39pm.

Styrene, C8H8, is one of the substances used in the production of synthetic rubber. When styrene burns in oxygen to form carbon dioxide and liquid water under standard-state conditions at 25C, 42.62 kJ are released per gram of styrene. Find the standard enthalpy of formation of styrene at 25C.
(Given: ΔHf[CO2(g)] = 393.5 kJ/mol, ΔHf[H2O(l)] = 285.8 kJ/mol, ΔHf[H2O(g)] = 241.8 kJ/mol)

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