Vocabulary
This tells us what is happening in a chemical reaction. Has reactants, products, and a yield sign.
What is a chemical equation?
Add these to a chemical equation in order to balance it.
What are coefficients?
When two or more elements combine to make a more complex substance.
What is a synthesis, or combination reaction?
Ca + F2 ------>
CaF2
This conversion factor is used to convert moles of one substance, to moles of a different substance in a chemical reaction.
What is the mole ratio?
The substances you have at the beginning of a chemical reaction are called:
What are reactants?
These tell you how many atoms of a specific element are in a compound, and cannot be changed to balance a chemical equation.
What are subscripts?
When a compound is broken into simpler products.
What is decomposition?
2CuO -------->
2Cu + O2
This conversion factor is used to convert between grams and moles of a given substance.
What is the molar mass?
The new substances you have at the end of a chemical reaction are called:
What are products?
Balance the following equation:
K + Cl2 -----> KCl
2K + Cl2 ------> 2KCl
What type of reaction would this equation be:
H2O -----> H2 + O2
Decomposition
CH4 + 2O2 ------->
CO2 +2H2O + energy
What is Avogadro's number?
6.02 x 1023
This states that during a chemical reaction matter is not created or destroyed.
What is the Conservation of Mass?
Balance the following equation:
Mg + Fe2O3 ------> Fe + MgO
3 Mg + Fe2O3 ------> 2Fe + 3MgO
What type of reaction would this equation be:
Zn + 2HCl -----> H2 + ZnCl2
Single displacement
Fe + PbSO4 ------->
FeSO4 + Pb
How many atoms would there be in 1 mole of a sample of tungsten?
What is... 6.02 x 1023
Convert to skeleton equation: Aluminum bromide and chlorine produces aluminum chloride and bromine
AlBr3 + Cl2 ------> AlCl3 + Br2
Balance the following equation:
C5H12 + O2 ------> CO2 + H2O + energy
C5H12 + 8O2 ------> 5CO2 + 6H2O + energy
What type of reaction would this equation be:
NaOH + HCl -----> NaCl + H2O
Double Replacement
3Mg(NO3)2 + 2K3PO4 ----->
Mg3(PO4)2 + 6KNO3
The formula for finding the percent yield.
Actual Yield/Theoretical Yield x 100% = %Yield