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Vocabulary that Matters
Chemicals Don't Reason they React
Balancing Act
Who Dat?
Miscellaneous
100
When one or more substances are changed into new substances is called this.
What is a chemical reaction?
100

In chemical reactions the -> symbol stands for this (verb).

What is 'yields'?

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?
100

The diatomic elements are written with their symbol and one of these in a chemical equation.

What is a 2 as the subscript?

200

A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

What is a catalyst?

200
When heat is produced, light is emitted, or a precipitate is formed this is an indication of this
What is a chemical reaction/change?
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?
200

The symbol (aq) stands for this in a chemical equation.

What is an aqueous solution?

300
When an element occurs naturally with a subscript of 2 it is called this.
What is a diatomic element?
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
Balance the following chemical equation. You must show all work and simplify your answer. Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
300

A combustion reaction has these 4 things in every combustion reaction

What are hydrocarbons, carbon dioxide, and water?

300

List the seven diatomic elements.  Hint: Have No Fear Of Ice Cold Beer.

Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine.  

400

The minimum energy required to initiate a chemical reaction, acting as a barrier between reactants and products.

What is activation energy?

400

What are two products formed in every neutralization reaction?

A salt (an ionic compound) and water (H2O).  

400
Balance the following equation. You must show all work and simplify your answer! Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
400

Find the percent composition of carbon in calcium carbonate.

12%

400

What must be true for a single replacement reaction to occur?

The replacing element (metal OR nonmetal) must be higher on the activity series, more reactive, than the bonded element.  

500
This term refers to a substance that has been dissolved in water
What is an aqueous solution?
500

Identify this reaction as either precipitation or neutralization and explain how you know:              AgNO3 + NaCl --> NaNO3 + AgCl.  

Precipitation.  Tthere is no acid or base in the reactants, and no water is formed as a reactant)

500
Balance the following equation. You must show all work and simplify your answer! C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
500

Aqueous ammonium nitrate is mixed with aqueous sodium hydroxide. Identify the type of reaction and write out the unbalanced (skeleton) equation.

Double Replacement:

CuSO4 + NH4NO3 --> Cu(NO3)2 + (NH4)2SO4

500

Describe what occured when we tested the four different single replacement reactions in the lab.  How can this be used in the real world?

A single ('raw') metal replaced a metal in an ionic aqueous solution.  This can be used to extract pure elements from solution.