Chemical Reactions

Front

What type of change occurs when a solid forms from two liquid reactants?

Back

Chemical change

Front

What is the reaction type for the equation: 3KOH + H₃PO₄ → K₃PO₄ + 3H₂O?

Back

Double replacement

Front

What is the molar mass of table salt (NaCl)?

Back

58.443 g/mol

Front

What is the term for the little number after an element in a chemical equation?

Back

Subscript

Front

What is the mass of one mole of a substance called?

Back

Molar mass

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance without changing its chemical composition, while a chemical change results in the formation of new substances.

Front

What is a reactant in a chemical reaction?

Back

A reactant is a substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction.

Front

What is the law of conservation of mass?

Back

The law states that mass is neither created nor destroyed in a chemical reaction.

Front

What is a coefficient in a chemical equation?

Back

A coefficient is a number placed in front of a compound to indicate how many molecules are involved in the reaction.