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TAKE THE QUIZ“are action”
We have one entry that includes the term are action.
order of a reaction
noun: a number that relates the rate of a chemical reaction with the concentrations of the reacting substances : the sum of all the exponents of the terms expressing concentrations of the molecules or atoms determining the rate of the reaction compare first-order reaction, second-order reaction, third-order reaction, zero-order reaction, molecularity
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- Before we went to her house, Hannah told us her aunt was a flibbertigibbet.


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Merriam-Webster unabridged