Balancing Equations

Front

What coefficient should be used to make the following equation balanced? N₂+O₂--> __?__NO

Back

2

Front

Balance this equation:

CF₄ + Br₂ → CBr₄ + F₂

Back

1,2,1,2

Front

Total number of atoms in 5Na₃PO₄

Back

40

Front

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

Back

Subscript

Front

Which of the following equations are correctly balanced?

12CO₂ +H₂O --> C₆H₁₂O₆ + O₂

,

CO₂ + 9H₂O --> C₆H₁₂O₆ + O₂

,

CO₂ + H₂O --> 3C₆H₁₂O₆ + O₂

,

6CO₂ + 6H₂O --> C₆H₁₂O₆ + 6O₂

Back

6CO₂ + 6H₂O --> C₆H₁₂O₆ + 6O₂

Front

What's unbalanced about this equation? Al + O₂ --> Al₂O₃

Back

Both oxygen and aluminum

Front

What is wrong with how this student balanced the equation? Original equation: Ag + O₂ ---> Ag₂O Solution: Ag + O₂ ---> 2Ag₂O

Back

The silver (Ag) still isn't balanced.

Front

Coefficient

Back

The large number in front of a chemical formula.

Front

Law of Conservation of Mass

Back

It states that no matter can be created or destroyed.

Front

What is the part of the chemical equation in green called?
Fe + S --> FeS

Back

reactants