Tuesday
March 31, 2015

Homework Help: chemistry

Posted by Cassie on Saturday, February 12, 2011 at 11:58am.

How many of the following are true concerning balanced chemical equations?
I. The number of molecules is conserved.
II. The coefficients for the reactants tell you how much of each reactant you are given.
III. Atoms are neither created nor destroyed.
IV. The coefficients indicate the mass ratios of the substances used.
V. The sum of the coefficients on the reactant side equals the sum of the coefficients on
the product side.

a) 1
b) 2
c) 3
d) 4
e) 5

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