Conservation of Mass

Front

What is the Law of Conservation of Mass?

Back

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

Front

If you have 15 grams of Baking Soda and 20 grams of Vinegar, what is the total mass of the reactants?

Back

35 grams.

Front

In a chemical reaction, if 4 hydrogen atoms react with 2 oxygen atoms, how many total atoms are in the products?

Back

6 atoms.

Front

What is the product of the reaction: 2H₂ + O₂ → ?

Back

2H₂O.

Front

How many Aluminum atoms are in Al₂O₃?

Back

2 Aluminum atoms.

Front

How many Magnesium atoms are in 10MgCl₂?

Back

10 Magnesium atoms.

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.

Front

What does it mean to balance a chemical equation?

Back

Balancing a chemical equation means ensuring that the number of atoms for each element is the same on both sides of the equation.

Front

What is the significance of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in a reaction.