Chapter 9 Review: Chemical Reactions

Front

What is the formula for Calcium Benzoate?

Back

Ca(C₇H₅O₂)₂

Front

What are the large numbers written in a chemical equation called?

Back

Coefficients

Front

How many molecules are in 4Al(SCN)₃?

Back

4

Front

Name the compound Nb₃(AsO₃)₄.

Back

Niobium (IV) Arsenite

Front

How many molecules are in Sb(C₂H₃O₂)₅?

Back

1

Front

What is a coefficient in a chemical equation?

Back

A coefficient is a number placed in front of a chemical formula to indicate how many molecules or moles of that substance are involved in the reaction.

Front

What is a subscript in a chemical formula?

Back

A subscript is a number written below and to the right of a chemical symbol that indicates the number of atoms of that element in a molecule.

Front

What is the significance of balancing a chemical equation?

Back

Balancing a chemical equation ensures that the law of conservation of mass is obeyed, meaning the number of atoms of each element is the same on both sides of the equation.

Front

What does the term 'reactants' refer to in a chemical reaction?

Back

Reactants are the starting substances that undergo a chemical change in a reaction.

Front

What does the term 'products' refer to in a chemical reaction?

Back

Products are the substances formed as a result of a chemical reaction.