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26 February, 05:23

Balance CaCO3 (s) CaO (s) + CO2 (g)

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  1. 26 February, 06:28
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    CaCO₃ (s) → CaO (s) + CO₂ (g)

    Explanation:

    We are required to balance the equation given;

    We need to ask ourselves some questions;

    What is a balanced equation?

    A balanced equation is an equation that has equal number of atom of each element on both sides of the equation.

    How do we balance chemical equations?

    Chemical equations are balanced by putting appropriate coefficients on the reactants and products in the equation.

    Why is it important to balance chemical equations?

    Chemical equations are balanced to ensure they obey the law of conservation of mass. According to the law of conservation of mass, the mass of the reactants should be equal to the mass of the products.

    In this case;

    The equation given is;

    CaCO₃ (s) → CaO (s) + CO₂ (g)

    The equation is balanced since the number of atoms of each element is equal on both sides of the equation. That is, 1 calcium atom, 1 carbon atom and 3 oxygen atom on both sides of the equation.
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