Lesson: Hess Cycles Using Enthalpies of Formation Glencoe • Chemistry • Matter & Change • Chemistry • The Molecular Nature of Matter and Change • Eighth Edition • Chemistry 13e • AP Edition • Modern Chemistry • Glencoe Science • Chemistry • Matter and Change

Using the data below, calculate to 3 significant figures the standard molar enthalpy of combustion of diborane .

Using the data in the table, calculate, to the nearest kilojoules per mole, the standard enthalpy of combustion of hydrazine . One of the products of the reaction is nitrogen.

Using the data in the table, calculate, to the nearest kilojoules per mole, the standard enthalpy of combustion of methane.