Balancing Equations

Front

How many ATOMS of Oxygen are in 3Fe₂O₃?

Back

9

Front

How many TOTAL atoms are in 2H₂SO₄?

Back

14

Front

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

Back

Unbalanced

Front

Is the equation N₂ + 3H₂ --> 2NH₃ balanced or unbalanced?

Back

Balanced

Front

Law of Conservation of Mass

Back

Matter cannot be gained or lost in a chemical reaction.

Front

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

Back

balanced

Front

Is the following reaction balanced? 2CH₃OH + 3O₂ --> 2CO₂ + 4H₂O

Back

balanced

Front

Balance this equation: P₄ + O₂ --> P₂O₃

Back

1, 3, 2

Front

Balance this equation: Mg + Cl₂ --> MgCl₂

Back

already balanced

Front

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

Back

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