7R FLASHCARD- on Law of Conservation of Mass/chemical reactions

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that in a closed system, mass is neither created nor destroyed in a chemical reaction. The total mass of reactants equals the total mass of products.

Front

In a chemical reaction, what happens to the atoms?

Back

Atoms are rearranged to form new substances, but they are not created or destroyed.

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products along with their quantities.

Front

What does it mean for a chemical equation to be balanced?

Back

A balanced chemical equation has the same number of each type of atom on both sides of the equation, indicating that mass is conserved.

Front

What is a reactant?

Back

A reactant is a substance that undergoes a chemical change in a 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

How do you determine the total mass of products in a reaction?

Back

To determine the total mass of products, add the masses of all reactants together, as per the Law of Conservation of Mass.

Front

What is a chemical formula?

Back

A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound.

Front

How many atoms of Sodium (Na) are in 6NaCl?

Back

There are 6 atoms of Sodium (Na) in 6NaCl.

Front

What happens to wood and oxygen when they burn according to the Law of Conservation of Mass?

Back

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