Law of Conservation of Mass

Front

What does the Law of Conservation of Mass state?

Back

Matter is neither created nor destroyed in a chemical reaction.

Front

Which model best represents the Law of Conservation of Mass?

Back

Model A shows that the total mass of reactants equals the total mass of products.

Front

If you mix 125 grams of sugar, 250 grams of water, and 5 grams of flavoring, what is the total weight of the solution?

Back

The total weight is 380 grams.

Front

What is the measure of the amount of matter in an object?

Back

Mass.

Front

If Jamie weighs a glass of water at 12 ounces and adds 6 ice cubes weighing 1 ounce each, what will be the weight after melting?

Back

The weight will be approximately 18 ounces.

Front

What is mass?

Back

Mass is the amount of matter in an object, usually measured in grams or kilograms.

Front

What happens to the mass of reactants in a chemical reaction?

Back

The mass of the reactants remains equal to the mass of the products.

Front

Can mass be created or destroyed in a chemical reaction?

Back

No, mass cannot be created or destroyed.

Front

What is an example of a chemical reaction that demonstrates the Law of Conservation of Mass?

Back

Burning wood: the mass of the ash and gases produced equals the mass of the wood before burning.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter, while weight is the force of gravity acting on that mass.