Balancing Chemical Equations

Front

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

Back

Products

Front

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

Back

Reactants

Front

Law of Conservation of Mass

Back

Matter cannot be gained or lost in a chemical reaction.

Front

Balance this equation: _Al +_HCl --> _H₂ +_AlCl₃

Back

2,6,3,2

Front

How many HCl molecules do you need to balance this equation? Mg + __HCl ---> MgCl₂ + H₂

Back

2

Front

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

Back

Subscript

Front

In the equation, 2Mg + O₂ ---> 2MgO, which are the reactants?

Back

Mg and O

Front

Balance this equation: H₂ + Cl₂ ---> HCl

Back

H₂ + Cl₂ ---> 2HCl

Front

Balance this equation: HgO ---> 2Hg + O₂

Back

2HgO ---> 2Hg + O₂

Front

Balance the equation: Sb₂S₃ + O₂ ---> Sb + SO₂

Back

Sb₂S₃ + 3O₂ ---> 2Sb + 3SO₂