CHEMICAL REACTION

WHAT ARE BALANCE EQUATIONS?

• An equation that the sign is equal

WHAT ARE EXAMPLES OF CHEMICAL REACTIONS?

• Rusting of iron
• Metabolism of food in the body
• Burdened potato

WHAT ARE THE IMPACTS OF CHEMICAL REACTIONS ON THE WORLD?

• It makes things change and creates new things that are different.

HOW DO BALANCE EQUATIONS RELATE TO THE LAW OF CONSERVATION OF MASS?

• The mass needs to be balanced

WHAT ARE EVIDENCE OF CHEMICAL REACTIONS?

• Atoms combine with other atoms to form compounds.

WHAT ARE CHEMICAL FORMULAS?

• Chemical formulas are the elements in the chemical equation represented the elements present.

CH4 + 2O2 ~~ CO2 + 2H2O

• C=1 C=1
• H=4 = H=4
• O=4 O=4
• Balenced