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Select the equations that are correctly balanced.

a. H2O + 2O2 → H2O2
b. Fe2O3 + 3H2 → 2Fe + 3H2O
c. Al + 3Br2 → AlBr3
d. CaCO3 → CaO + CO2

Respuesta :

scme1702
Equations B and D are correctly balanced, with the number of atoms of each element being the same before and after the reaction.
AlyssaSilverStone

Answer:

b & d  are correctly balanced. Hope this helped!

Explanation:

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