Vocab
A negative charged ion
Anion
What side of a chemical reaction is the REACTANT located on?
Left side of the equation
Balance the following equation: _____H2 + ____O2 ---> ____H2O
2H2 + 1O2 ---> 2H2O
What is the FIRST step to balancing equations?
List the elements
Calculate the molar mass of water (H₂O)
18.02 g/mol
A positively charged ion
cation
What side of a chemical reaction is the PRODUCT located on?
The right side of the equation.
Balance the following Equation: _____KClO3 --->_____ KCl + ______O2
2KClO3 ---> 2KCl + 3O2
Counting the elements
Calculate the molar mass of calcium carbonate (CaCO₃).
100.09 g/mol
Metal + Metal is what kind of compound/bond
metallic bond
Identify the REACTANT in the following equation:
H2 + NaCl -> H2Na + Cl + S
H2 + NaCl
Balance the following equation: ____C3H8 + _____O2 ---> ____CO2 + ____H2O
1C3H8 + 5O2 ---> 3CO2 + 4H2O
In the chemical formula or element, if there is NO subscript, what number can you assume it is?
1
Calculate the molar mass of glucose (C₆H₁₂O₆).
180.16 g/mol
metal + nonmetal is what kind of compound/bond?
Ionic compound
Identify the PRODUCT in the following equation:
H2 + NaCl -> H2Na + Cl + S
H2Na + Cl + S
Balance the following equation: ____P + _____O2 --->_____P2O5
4P + 5O2 ---> 2P2O5
What is the THIRD step of balancing a chemical equation?
Adjust/change the coefficient to balance out the elements
Calculate the molar mass of aluminum sulfate (Al₂(SO₄)₃).
342.14 g/mol
Nonmetal + Nonmetal is what kind of compound/bond?
covalent compound
Do you multiple or add your coefficients and subscripts?
Multiply
Balance the following equation: ___NaBr + ____CaF2 ---> ____NaF + ____CaBr2
2NaBr + 1CaF2 ---> 2NaF + 1CaBr2
How do you know you have completed the equation?
It becomes balanced on both sides.
Calculate the molar mass of ammonium dichromate ((NH₄)₂Cr₂O₇)
252.08 g/mol