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Vocabulary that Matters
Chemicals Reactions
Balancing Act
Reaction Types
100
When one or more substances are changed into new substances is called this.
What is a chemical reaction?
100

These three properties can change when a chemical reaction occurs.

What is change in color, formation of bubbles, change in odor, release of light, or release in heat?

100
When the number of atoms are equal on both sides of the equation, this law has been fulfilled.
What is the Law of Conservation of Mass
100
If there is one product in your equation, then you have this type of reaction.
What is a synthesis reaction?
200
When the number of atoms is equal on each side we say that the equation is this.
What is balanced?
200

This type of reaction absorbs thermal energy.

What is endothermic reaction?

200
These are used to help balance chemical equations.
What are coefficients?
200
This chemical reaction has the generic formula of: AB --> A + B
What is a decomposition reaction?
300

The minimum amount of energy needed to start a chemical reaction. 

activation energy

300

This type of reaction releases energy.

What is exothermic reaction?

300
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation.
What is the product side?
300

A combustion reaction has these 3 things in every combustion reaction

What are oxygen, carbon dioxide, and water?

400

A catalyst that speeds up chemical reaction in living beings.

What is an enzyme?

400

This stops or slows a chemical reaction. 

What is an inhibitor?
400
Balance the following equation. You must show all work and simplify your answer! Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
400
This reaction could be classified in this way 2Na + 2H2O --> 2NaOH + H2
What is a single replacement reaction?
500
Can be used to describe either an element or a compound
What is a substance?
500

Name three things you can do to increase the reaction rate.

What is increase surface area, increase temperature, increase concentration, increase pressure, add a catalyst?
500
Balance the following chemical equation. You must show all work and simplify your answer. Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
500
When ions from 2 compounds switch places, this type of reaction occurs.
What is a double displacement reaction?