Question

explain why. the chemical formula below is "balanced" 2Cu+O2➡2CuO

Answer 1

Explanation:

It needs to be balanced, according to law of conservation of mass.

Answer 2

The chemical equation needs to be balanced so that it follows the law of conservation of mass. A balanced chemical equation occurs when the number of the different atoms of elements in the reactants side is equal to that of the products side. Balancing chemical equations is a process of trial and error.