Question

Explain why chemical equations have to be balanced.

Answer 1

No matter is ever “lost” during a chemical reactions. This is called the law of conservation of mass. But sometimes the way equations are written to make it look liked atoms disappeared so we balanced them so the atoms on both sides of equal.

Step-by-step explanation:

its correct its not simple response

Answer 2

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Step-by-step explanation:

They must obey the Law of Conservation of Mass that states that matter cannot be created or destroyed, it is conserved. Atoms are never lost or gained in chemical reactions, they are rearranged. The mass of the reactants must equal the mass of the products.