Category 1 Review (8.5E)

Category 1 Review (8.5E)

The Law of Conservation of Mass

How do we know if it follows the Law of Conservation of Mass?

• EAT Chart for the Reactants

• EAT Chart for the Product

• If Reactants and Products are equal it is a balanced equation, therefore, it follows the Law of Conservation of Mass

Multiple Choice

The law of conservation of mass says substances can neither be ____________ nor_________.

• created; destroyed

• condensed; extracted

Multiple Choice

Sodium and chlorine combine t form sodium chloride, or table salt. Sodium and chlorine are:

• products

• reactants

Multiple Choice

4 grams of hydrogen and 32 grams of oxygen will combine to form:

• 36 of deuterium

• 32 grams of oxygen

• 28 grams of hydroxide

• 36 grams of water

Multiple Choice

Which of the following describes a chemical reaction?

• ice melts into water

• carbon dioxide freezes to make dry ice

• oxygen interacts with iron to form rust

• rocks split apart over many years due to weathering

Multiple Choice

When sodium and chlorine combine to form sodium chloride, sodium chloride is the:

• product

• reactants