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Grade:

                        

Does a catalyst lower the energy required for decomposition? Exact Reaction - H2O --> H2 + O2

8 years ago

Answers : (2)

Achyut Srivastava
33 Points
							

No it only increases the rate of forward or backward reaction

7 years ago
Anantha Krishnan
18 Points
							

Decomposition reactions are reactions that break apart a single reactant into elements or simpler compounds. In many cases, energy input or a catalyst is required for decomposition reactions to occur. 

This is a redox reaction
Oxygen is both oxidized and reduced.
O in H2O2 has an oxidation number of -1.
The oxidation number of O goes to -2 in water and 0 in O2.

7 years ago
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