Consider the unbalanced chemical equation. H2O(l)−→−−−−−−−−electrical currentH2(g)+O2(g)H2O(l)→electrical currentH2(g)+O2(g) A chemistry student tries to balance the equation by placing the subscript 2 after the oxygen atom in H2OH2O.   Placing the subscript 2 after H2OH2O would change the _______of molecules, not the ______ of molecules. It results in H2O2, which is ______. To balance chemical reactions, one must add ______, not subscripts.

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter3: Equation, The Mole, And Chemical Formulas
Section: Chapter Questions
Problem 3.50QE
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Consider the unbalanced chemical equation.

H2O(l)−→−−−−−−−−electrical currentH2(g)+O2(g)H2O(l)→electrical currentH2(g)+O2(g)

A chemistry student tries to balance the equation by placing the subscript 2 after the oxygen atom in H2OH2O.

 

Placing the subscript 2 after H2OH2O would change the _______of molecules, not the ______ of molecules. It results in H2O2, which is ______. To balance chemical reactions, one must add ______, not subscripts.

 

 

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