Equality
Where are reactants located in a chemical equation?
On the left
What type of reaction is this?
A + B ---> AB
Synthesis
Balance the following equation:
H2 + O2 ---> H2O
2 H2 + O2 ---> 2 H2O
Balance the following chemical equation:
C + S8 ---> CS2
4 C + S8 ---> 4CS2
This is the most important part of Science.
Where are the products located in a chemical equation?
On the right
What type of reaction is this?
AB ---> A + B
Decomposition
Balance the following Equation:
KClO3 ---> KCl + O2
2KClO3 ---> 2KCl + 3O2
Balance the chemical equation:
Li + H2O ---> LiOH + H2
2 Li + 2 H2O ---> 2 LiOH + H2
This man is credited with creating the periodic table as we know it.
Dmitri Mendeleyev
What type of reaction is this?
AB + C ---> AC + B
Single Replacement (or Single Displacement)
Balance the following equation:
N2 + H2 ----> NH3
N2+ 3 H2 --> 2 NH3
Balance the following equation:
NaBr + CaF2 ---> NaF + CaBr2
2NaBr + CaF2---> 2NaF + CaBr2
What is the mass of Copper in grams per mole?
63.5 g/mol
What is the number 3 in this compound?
3H2O
Coefficient
AB + CD ---> AC + BD
Double Replacement (or Double Displacement)
Balance the following equation:
P + O2 ---> P2O5
4P + 5O2 ---> 2P2O5
Balance the following chemical equation:
N2 + O2 ----> N2O5
2 N2 + 5 O2 ----> 2 N2O5
Name the piece of Lab Equipment
varies
What is the Law of Conservation of Mass?
The law of conservation of mass states that matter during a chemical change can neither be created nor destroyed. (What's on one side of the reaction must be equal on the other.)
List 3 things that can show evidence of a chemical reaction.
Temperature Change, Fire/Light, Precipitate, Color Change, Odor, Sound...
Balance the following equation:
C3H8 + O2 ---> CO2 + H2O
C3H8+ 5O2 ---> 3CO2 + 4H2O
Balance the following chemical equation:
C2H6 + O2 ---> CO2 + H2O
2 C2H6 + 7 O2 ---> 4 CO2 + 6 H2O
This is genetic material wrapped in a protein coat.
Virus