chemical equation

British

noun

a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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This ΔH value indicates the amount of heat associated with the reaction involving the number of moles of reactants and products as shown in the chemical equation.

From Textbooks • Feb. 14, 2019

Identifying the limiting and excess reactants for a given situation requires computing the molar amounts of each reactant provided and comparing them to the stoichiometric amounts represented in the balanced chemical equation.

From Textbooks • Feb. 14, 2019

Write the balanced chemical equation for the reaction of an aqueous solution of HNO3 with CuO.

From Textbooks • Feb. 14, 2019

This process is represented qualitatively by an unbalanced chemical equation:

From Textbooks • Feb. 14, 2019

“I used to know any chemical equation or macromolecular synthesis without hesitation. But with age, I am becoming less useful.”

From "The Last Cuentista" by Donna Barba Higuera

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023