Law of Conservation of Mass

Front

How is the law of conservation of matter represented in a chemical reaction?

Back

The number of atoms in the reactants is equal to the number of atoms composing the products.

Front

Matter can not be created nor destroyed: it can only be

Back

Transformed, changed

Front

If reaction starts with 20g of reactants, what is the total mass of products produced?

Back

a total of 20g of products

Front

What do we call the chemicals that result from a chemical reaction?

Back

products

Front

According to the Law of Conservation of Mass, what happens to the wood and oxygen when it is burned?

Back

The atoms in the wood and oxygen rearrange and form smoke and ash.

Front

What are the starting substances in a chemical equation?

Back

Reactants

Front

The Law of Conservation of Mass states

Back

Mass cannot be created nor destroyed, it can only change form.

Front

The number to the lower side of an element is a

Back

Subscript

Front

The number in front of a compound or element is a

Back

Coefficient

Front

When is a chemical reaction balanced?

Back

Both sides have the same number of atoms