Chemical Reactions 24-25

Chemical Eqs.

100

This arrow in a chemical equation means this.

What is "yields" or "produces?"

200

Each substance on the LEFT side of a chemical equation is one of these.

What are "reactants?"

300

The numbers that go before symbols and formulas in a chemical equation are called this.

What are coefficients?

400

The Law of Conservation of Mass states this.

What is matter cannot be created or destroyed?

500

Write the chemical equation for the following:

Iron reacts with oxygen gas to produce iron (II) oxide, aka rust.

Fe + O₂ --> FeO

Balancing Eqs.

100

Balance the following equation:

__LiCl + __Br₂ --> __LiBr + __Cl₂

2LiCl + Br₂ --> 2LiBr + Cl₂

200

Balance the following equation:

__KClO₃ --> __KCl + __O₂

2KClO₃ --> 2KCl + 3O₂

300

Balance the following equation:

__N₂ + __O₂ --> __N₂O₅

2N₂ + 5O₂ --> 2N₂O₅

400

Balance the following equation:

__CH₄ + __O₂ --> __CO₂ + __H₂O

CH₄ + 2O₂ --> CO₂ + 2H₂O

500

Balance the following equation:

__Ca(OH)₂ + __H₃PO₄ --> __Ca₃(PO₄)₂ + __H₂O

3Ca(OH)₂ + 2H₃PO₄ --> Ca₃(PO₄)₂ + 6H₂O

Types of Rxns

100

N₂ + O₂ --> N₂O₅ is this type of reaction.

What is synthesis?

200

KClO₃ --> KCl + O₂ is this type of reaction.

What is decomposition?

300

CH₄ + O₂ --> CO₂ + H₂O is this type of reaction.

What is combustion?

400

LiCl + Br₂ --> LiBr + Cl₂ is this type of reaction.

What is single replacement?

500

Ca(OH)₂ + H₃PO₄ --> Ca₃(PO₄)₂ + H₂O is this type of reaction.

What is double replacement?

Final Jeopardy

100

C₂H₂ is burned in the presence of oxygen.

Complete the chemical equation:

__C₂H₂ + O₂ --> 

Balance if necessary, classify the type of reaction.

2C₂H₂ + 5O₂ --> 4CO₂ + 2H₂O

Combustion