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2H2O2------------ 2 H2O + O2 thus correct coefficient is 2
This chemical equation is:2 H2 + O2 = 2 H2O
A balanced chemical equation is when both the products and the reactants are balanced, or have the same number of atoms on each side of the equation. For example: 2H20 --> 2H2 + O2 This means there are 2 water molecules as the reactants (before reaction) and 4 hydrogen and 2 oxygen atoms as the products (after reaction). Technically the equation wouldn't work in real life if it weren't correctly balanced.
It is important never to change a subscript {note correct spelling} in a chemical formula when balancing a chemical equation, because changing a subscript produces a formula that specifies a chemical substance different from the one in the original equation.
2Al + 3S -> Al2S3
reactants-----> products
A balanced chemical equation has correct placed coefficients and a representative chemical equation need these coefficients.
2H2O2------------ 2 H2O + O2 thus correct coefficient is 2
This chemical equation is:2 H2 + O2 = 2 H2O
A balanced chemical equation is when both the products and the reactants are balanced, or have the same number of atoms on each side of the equation. For example: 2H20 --> 2H2 + O2 This means there are 2 water molecules as the reactants (before reaction) and 4 hydrogen and 2 oxygen atoms as the products (after reaction). Technically the equation wouldn't work in real life if it weren't correctly balanced.
That equation explains many observations accurately, and accurately predicts many situations that have been confirmed by experiment. As far as is known now, it's true and correct.
2111.Equation coefficients are needed to write a correct chemical equation
The chemical equation is:2 Al + 3 S = Al2S3
These data are given by the correct coefficients in the chemical equation.
This is not an equation at all. An example of a correct (and balanced) equation would be: 2H2 + O2 --> 2 H2O
a balanced equation shows the correct proportion and mole/grams of the reactants involved....
The chemical formula (more correct is formula unit) of sodium chloride is NaCl.