Problem: 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 liquid water.

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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. 


Standard state:

O→ O2(g)

H→ H2(g)


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Problem Details

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 liquid water.

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