Equations
What is Fe
Iron
What is K on the periodic table?
Potassium
If two hydrogen molecules attach to 2 oxygen molecules, what does it make?
Hydrogen Peroxide!
What are the types of equations?
Balanced and Unbalanced.
What is a chemical reaction?
When two or more substances are mixed to make a new substance
What is the Law of Conservation of Mass?
The law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed.
How many types of equations are there?
2
How do I know when a chemical reaction occurs?
color change, formation of a precipitate, formation of a gas, odor change, temperature change
What is mass?
Mass is a measurement of how much matter is in an object
What is on the left side of the arrow?
The product
Is wood burning a chemical reaction
Yes
If there is 5 grams of iron and 2 grams of potassium on the left side, how much the the product weigh on the right side?
7 grams most likely
What is an unbalanced equation?
When both sides of the arrow are not equal.
Why is mass conserved in chemical reactions?
because the new substances created are composed of atoms that were present in the reactants
Can mass be created?
No >:(