The balanced chemical equation gives the ratio of the molecules of
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What do the coefficients in a balanced chemical equation represent?
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Hint: To solve this question we first need to know what is a balanced chemical equation. A balanced chemical equation is a reaction in which the number of atoms in a reaction is equal on both the reactant and the product side for each element.
Complete answer:
A balanced chemical reaction satisfies the law of conservation of matter.
Subscripts and coefficients determine the number of atoms and molecules in a chemical equation.
The part of the chemical formula that shows the ratio of a molecule's atoms and determines its chemical identity are known as subscripts. For example, in carbon dioxide (CO2) there are 2 atoms of oxygen and 1 atom of carbon. Subscripts are not changed while balancing an equation.
The number of molecules of a substance that is utilized or produced in a chemical reaction is indicated by the coefficients.
Let us take an example of the balanced chemical equation of the reaction of combustion of heptane (C7H16).
C7H16+11O2(g)→7CO2+8H2O
From the balanced chemical equation we can see that when one mole of heptane (C7H16) is burnt in the air, it combines with 11 moles of oxygen gas (O2) to form 7 moles of carbon dioxide (CO2) and 8 moles of water molecules (H2O).