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 number that tells how many of each type of atom are in one unit of a compound.
What is a subscript?
200
When heat is produced, light is emitted, or a precipitate is formed this is an indication of ________
What is a chemical reaction/change?
200
These are the numbers we can change 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
In the chemical reaction, Mg + O -> MgO, the compound MgO is the ______.
What is the product?
300
Balance the following chemical equation. You must show all work and simplify your answer.
Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
300
You mix two solutions together. They react and you see bits of matter sinking to the bottom of your beaker. We call this solid a_________
What is a precipitate?
300
CsF is an example of this
What is an ionic compound?
400
Elements form compounds in order to _________
What is complete their outer shells?
400
Balance the following equation. You must show all work and simplify your answer!
Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
400
When ions from 2 compounds switch places, this type of reaction occurs.
What is a double displacement reaction?
400
This is a ____________ reaction.
2Na + 2H2O --> 2NaOH + H2
What is a single replacement reaction?
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!
C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
500
Please list each type of reaction, give an example of each type, and balance each equation
Ca + S --> CaS
AlN --> 2Al + N2
KI + Cl2 --> KCl + I2
Pb(NO3)2 + NaI --> NaNO3 + PbI2
Ca + S --> CaS, synthesis
2AlN --> 2Al + N2, decompostion
2KI + Cl2 --> 2KCl + I2, single replacement
Pb(NO3)2 + 2NaI --> 2NaNO3 + PbI2, double displacement
500
Balance the following equation. Be sure to show all work and simplify your answer.
(NH4)3PO4 + Mg(NO3)2 --> Mg3(PO4)2 + NH4NO3