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A chemical equation is balanced by changing or adding a. chemical symbols. c. numbers in front of molecules. b. subscripts after atoms. d. reactants in the product.
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1 vote
A chemical equation is balanced by changing or adding

a.
chemical symbols.
c.
numbers in front of molecules.
b.
subscripts after atoms.
d.
reactants in the product.

User Prakash Laxkar
by
8.8k points

2 Answers

4 votes

Answer:

a.

chemical symbols.

Step-by-step explanation:

User Cao Lei
by
8.2k points
6 votes
A chemical equation is balanced by changing or adding C. numbers in front of molecules, which are called coefficients.
For example:
O2 + 2 H2 ---> 2 H2O (number 2 is added to both sides in order to balance the equation)
User Myro
by
8.7k points
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