Respuesta :

This balanced chemical equation shows the law of conversation of mas because it does not make matter nor destroy matter. If it is balanced, that means that no matter was created nor destroyed from the reactants to the products. 

2h2o ----> 2h2 + o2

h=4          h=4
o=2         o=2

Since both sides of the equation are balanced/equal, that means that no matter was created nor destroyed, which demonstrates the law of conversation of mass. 
Oseni

Balanced chemical equations show the law of conservation of mass by showing a balanced number of atoms.

Law of conservation of mass

the law states that in every chemical reaction, the mass is conserved. Although, the mass can be converted from one form to another.

The equation below showed a balanced number of atoms on both sides:

[tex]2H_2O --- > 2H_2 + O_2[/tex]

Balanced chemical equations show an equal number of atoms of each element on the reactant and product sides. Thus, they show that no atom is lost in the process of the reaction.

More on balanced equations can be found here: https://brainly.com/question/7181548

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