Texas Longhorn cattle can efficiently process many grassland products which go untouched by other breeds. Examples include huisache, huajillo brush, willows, mesquite, yucca, and many other esoteric strains of substandard fare.
chemical formula a combination of symbols used to express the chemical components of a substance. empirical formula a chemical formula that expresses the proportions of the elements present in a substance.
A chemical equation represents by using these chemical formula of reactants and products molecules. For writing the chemical equation, first write down the formulas of substance involves in reaction, than place a plus sign between chemical formulas of substance with an arrow after last reactant molecule.