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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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For this reason, the rate law for an elementary reaction may be derived directly from the balanced chemical equation describing the reaction.

From Textbooks • Feb. 14, 2019

Similar factors may be derived for any pair of substances in any chemical equation.

From Textbooks • Feb. 14, 2019

For example, the gas-phase decomposition of cyclobutane, C4H8, to ethylene, C2H4, is represented by the following chemical equation:

From Textbooks • Feb. 14, 2019

These elementary reactions occur precisely as represented in the step equations, and they must sum to yield the balanced chemical equation representing the overall reaction:

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