Complete and balance following equations $CuO + H_{2} \to$

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Solution

The representation of a chemical reaction in the form of symbols (substances) is known as a chemical equation. A chemical equation consists of reactants, products and an arrow showing the direction of the reaction. The equation in which the number of atoms of all the molecules is equal on both sides of the equation is known as the balanced chemical equation.
In order to balance this equation, we will follow these steps:
$CuO + H_{2} \to Cu + H_{2} O$
Atoms LHS RHS
Cu 1 1
O 1 1
H 2 2
In this equation, all atoms on both sides are equal in number hence given equation is already balanced.
$CuO (s) + H_{2} (g) \to Cu (s) + H_{2} O (l)$

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