Concept: Enthalpies of Formation
The enthalpy change for a mole of a substance that combines with oxygen under standard conditions of 1 bar and 298 K is known as the standard enthalpy of combustion. The enthalpy of formation can be found using the equation: ΔHfº = ΔHproducts - ΔHreactants. Then, use this to find the enthalpy for 1 mole of Fe.
How many kilojoules of heat will be released when exactly 1 mole of iron, Fe, is burned to form Fe2O3(s) at standard state conditions?
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