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double decomposition

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double decomposition

–noun Chemistry.
a reaction whose result is the interchange of two parts of two substances to form two new substances, as AgNO3 + NaCl → AgCl + NaNO3.
Also called metathesis.


Origin:
1865–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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double decomposition  
n.  A chemical reaction between two compounds in which the first and second parts of one reactant are united, respectively, with the second and first parts of the other reactant.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: double decomposition
Function: noun
: a chemical reaction between two compounds in which part of the first compound becomes united with part of the second andthe remainder of the first compound becomes united with the remainder of the second (as in AB + CD → AD + BC) called also metathesis
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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