Law of Conservation of Matter

Front

What is the Law of Conservation of Matter?

Back

The Law of Conservation of Matter states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.

Front

What is another name for the Law of Conservation of Matter?

Back

Law of Conservation of Mass.

Front

In the equation 4Al + 3O2 --> 2Al2O3, how many aluminum atoms are present on each side?

Back

4 aluminum atoms.

Front

If 12g of Carbon reacts with 16g of Oxygen, how much carbon monoxide (CO) is formed?

Back

28g of carbon monoxide (CO) is formed.

Front

In a reaction A + B --> C, if reactant A has 5g and product C has 9g, how many grams does reactant B have?

Back

4g.

Front

What does it mean when we say 'mass is conserved' in a chemical reaction?

Back

It means that the total mass of the reactants equals the total mass of the products.

Front

How can you represent the Law of Conservation of Mass visually?

Back

Using models or diagrams that show the same number of atoms before and after a reaction.

Front

What is the significance of balancing chemical equations?

Back

Balancing chemical equations ensures that the Law of Conservation of Mass is upheld, showing that matter is neither created nor destroyed.

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.