Front

What is the law of conservation of mass?

Back

The mass of the reactants is the same as the mass of the products.

Front

What is a chemical reaction?

Back

A process where reactants are transformed into products, involving the breaking and forming of bonds.

Front

What are reactants in a chemical reaction?

Back

Substances that undergo change during a chemical reaction.

Front

What are products in a chemical reaction?

Back

Substances that are formed as a result of a chemical reaction.

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 it mean for a substance to be soluble?

Back

It means the substance can dissolve in a solvent, forming a solution.

Front

What does it mean for a substance to be insoluble?

Back

It means the substance does not dissolve in a solvent.

Front

What is the significance of the coefficients in a balanced equation?

Back

They indicate the relative amounts of reactants and products involved in the reaction.

Front

What is a precipitate?

Back

A solid that forms and settles out of a liquid mixture during a chemical reaction.

Front

What is the difference between an endothermic and exothermic reaction?

Back

Endothermic reactions absorb heat, while exothermic reactions release heat.