Balancing Equations

Front

Is this equation balanced?

Back

no

Front

Is this equation balanced?

Back

yes

Front

Is the equation balanced?: 2H₂O + O₂ --> 4MgO + 3Fe

Back

No

Front

Balance this equation
_N₂ + _H₂ --> _NH₃

Back

1,3,2

Front

Law of Conservation of Mass

Back

Matter cannot be gained or lost in a chemical reaction.

Front

What is the little number after an element in a chemical equation called? Example: H₂

Back

Subscript

Front

What is the arrow in a chemical equation...
H_{2 +} O --> H₂O

Back

Yields 

Front

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

Back

the mass is the same

Front

Coefficient

Back

The large number to the left of a formula.

Front

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂--> 2Al₂O₃

Back

4