Chemical Equations - parts & balancing

Front

Law of Conservation of Mass

Back

Matter cannot be gained or lost in a chemical reaction.

Front

What is the left part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

Back

Reactants

Front

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

Back

Products

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

Is the following equation balanced?
Al + O₂ --> 2Al₂O₃

Back

No

Front

How many elements are in C₆H₁₂O₆?

Back

3

Front

What is the number before a chemical formula called?
Ex: 2H₂ + O₂ --> 2H₂O

Back

Coefficient

Front

How many aluminum atoms are in Al₂(SO₄)₃?

Back

2

Front

Is the following equation balanced?
2C₂H₂ + 5O₂ --> 4CO₂ + 2H₂O

Back

yes