Vocabulary that Matters
The act of changing one or more substances into new substances is called this.
What is a chemical reaction?
In chemical reactions the -> symbol stands for this.
What is yields or reacts to form?
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
If there is one product in your equation, then you have this type of reaction.
What is a synthesis reaction?
The diatomic elements are written with one of these in a chemical equation.
What is a subscript of 2?
When the number of atoms is equal on each side we say that the equation is this.
What is balanced?
When heat is produced, light is emitted, or a precipitate is formed this is an indication of this
What is a chemical reaction/change?
These are used to help balance chemical equations.
What are coefficients?
This chemical reaction has the generic formula of: AB --> A + B
What is a decomposition reaction?
The symbol (g) stands for this in a chemical equation.
What is a gas?
When an element occurs naturally with a subscript of 2 it is called this.
What is a diatomic element?
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation.
What is the product side?
This reaction (Fe + O2 --> Fe2O3) balanced looks like:
4 Fe + 3O2 --> 2Fe2O3
A combustion reaction has these 4 things in every combustion reaction
What are hydrocarbons, carbon dioxide, oxygen, and water?
CsF is an example of this
What is a compound?
Always forms CO2 and H2O
What is a combustion reaction?
Elements form compounds in order to satisfy this characteristic.
What is to have 8 valence electrons?
Balance the following equation. You must show all work and simplify your answer! Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
When ions from 2 compounds switch places, this type of reaction occurs.
What is a double displacement reaction?
This reaction could be classified in this way 2Na + 2H2O --> 2NaOH + H2
What is a single replacement reaction?
This term refers to a substance that has been dissolved in water
What is an aqueous solution?
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
Balance the following equation. You must show all work and simplify your answer! C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
Please list each type of reaction and give an example of each type.
synthesis
decompostion
combustion
single replacement
double displacement
Balance the following equation. Be sure to show all work and simplify your answer. (NH4)3PO4 + Mg(NO3)2 --> Mg3(PO4)2 + NH4NO3
2(NH4)3PO4 +3Mg(NO3)2 --> Mg3(PO4)2 + 6NH4NO3