AAD Law of Conservation of Mass

Front

What does the Law of Conservation of Mass state?

Back

Mass cannot be created or destroyed.

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 is the term for the number in front of a compound or element?

Back

Coefficient

Front

When is a chemical reaction considered balanced?

Back

Both sides have the same number of atoms.

Front

How many Hydrogen atoms are in 4H2O?

Back

8

Front

What is the definition of a reactant?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

Front

What does it mean to balance a chemical equation?

Back

To ensure 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.

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.