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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.
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
When counting atoms with parenthesis you must do this.
What is multiply?
100
The small number next to the element in a chemical equation.
What is a subscript?
200
When the number of atoms is equal on each side we say that the equation is this.
What is balanced?
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 (g) stands for this in a chemical equation.
What is a gas?
300
When 2 or more elements react with one another to create a new substance in a formula.
What is a Reactant?
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
In the following equation how many atoms of oxygen are on the product side? Fe + O2 --> Fe2O3
What is 3?
300
A combustion reaction has these 3 things in every combustion reaction
What are hydrocarbons, carbon dioxide, and water?
300
CsF is an example of this
What is a compound?
400
Can be used to describe either an element or a compound
What is a substance?
400
Only this can be determined by a chemical formula.
What is the number of atoms of each element?
400
Does the following equation follow the law of conservation of mass? Li + Br2 --> LiBr
No
400
When ions from 2 compounds switch places, this type of reaction occurs.
What is a double displacement reaction?
400
How many elements are in this equation?  2Na + 2H2O --> 2NaOH + H2
What is 3?
500
This term refers to a new substance that has been created in a formula.
What is a Product?
500
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
500

Balance the following equation. You must show all work and simplify your answer! Fe + O2 --> Fe2O3

4Fe + 3O2 --> 2Fe2O3

500
Please list each type of reaction, give an example of each type, and balance each equation
Ca + S --> CaS, synthesis 2AlN --> 2Al + N2, decompostion CH4 + 2O2 --> CO2 + 2H2O, combustion 2KI + Cl2 --> 2KCl + I2, single replacement Pb(NO3)2 + 2NaI --> 2NaNO3 + PbI2, double displacement
500
To balance and equation you can ONLY add this number.
What is a coefficient?