Which is the balanced chemical equation showing hydrogen peroxide (H2O2) decomposing into hydrogen (H2) and oxygen (O2)? Multiple Choice H2O2 → H2 + O2 H2 + O2 → H2O2 2 H2 + O2 → 2 H2O2 2 H2O2 → 2 H2 + O2 PrevQuestion 13 of 14 Total13 of 14Visit question mapNext

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced chemical equation for showing hydrogen peroxide decomposing into hydrogen and oxygen is:

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