We are asked to write the balanced chemical equation that corresponds to the ΔH˚f value you looked up for liquid water.
The balanced reaction for formation consist of reactants in the standard of the elements.
Consider the decomposition of liquid hydrogen peroxide (H2O2) to form water and oxygen.
Write the balanced chemical equation that corresponds to the ΔH˚f value you looked up for gaseous oxygen.
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Enthalpy of Formation concept. You can view video lessons to learn Enthalpy of Formation. Or if you need more Enthalpy of Formation practice, you can also practice Enthalpy of Formation practice problems.