Balancing Chemical Equations

Front

How many Oxygen atoms are in 3CO₂?

Back

6

Front

What is the term for the number placed in front of a compound in a chemical equation?

Back

Coefficient

Front

What physical state symbol should be included for glucose?

Back

(s) - solid

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

Front

What is the coefficient of O₂ when balancing the equation: C₃H₈ + __O₂ → 3CO₂ + 4H₂O?

Back

5

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of an element in a molecule.

Front

What is the purpose of balancing chemical equations?

Back

To obey the law of conservation of mass.

Front

What does (aq) stand for in a chemical equation?

Back

Aqueous, meaning the substance is dissolved in water.

Front

What is the difference between a reactant and a product?

Back

Reactants are substances that start a chemical reaction; products are substances formed as a result.