Question

All chemical equation must be balanced. why? Guess and write.
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Answer 1

An equation is balanced when the same number of each element is represented on the reactant and product sides. Equations must be balanced to accurately reflect the law of conservation of matter.

the law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity can neither be added nor be removed.

Answer 2

Explanation:

Due to the theory of conservation of energy which is energy can neither be created to be destroyed so chemical equations must be balanced because there neither tha atoms are created nor destroyed.

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