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Physical Science, 5/e
Bill Tillery, Arizona State University
Chemical Formulas and Equations

True or False



1

In a chemical equation, the reactants are found on the left side of the arrow.
A)TRUE
B)FALSE
2

When balancing a chemical equation, you need to change subscripts to make the number of atoms of an element the same on both sides of the equation.
A)TRUE
B)FALSE
3

When compounds containing carbon and hydrogen are burned in air, the products are usually carbon dioxide and water.
A)TRUE
B)FALSE
4

When balancing a chemical equation, the number of H atoms in 2 CH4 is eight.
A)TRUE
B)FALSE
5

The sum of the coefficients must be the same on both sides of a chemical equation.
A)TRUE
B)FALSE








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