High Quality Content by WIKIPEDIA articles! A chemical equation consists of the chemical formulas of the substances that are mixed (called the reactants), and the chemical formula of the substances that result from the chemical reaction (called the products). The two are separated by an -> —usually read as "yields"— and each chemical formula is separated from others by a plus sign. Sometimes a triangle is drawn over the arrow symbol to denote energy must be added to the substances for the reaction to begin.

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