Law of Conservation of Mass

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction; it can only be transformed from one form to another.

Front

How many oxygen atoms are in the equation: 6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂?

Back

There are 18 oxygen atoms in total.

Front

How many grams of oxygen are needed to show conservation of mass in a reaction?

Back

7 grams of oxygen are needed.

Front

What happens to matter in a chemical reaction according to the Law of Conservation of Mass?

Back

Matter is transformed or changed, but not created or destroyed.

Front

If a student mixes 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 of the solution is 380 grams.

Front

What is the total number of atoms in the reactants of the equation: 6 CO₂ + 6 H₂O?

Back

There are 24 atoms in total (6 carbon, 12 hydrogen, 6 oxygen).

Front

What is a chemical equation?

Back

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

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 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.