(That Song From CoCo)
What does the arrow mean in an equation?
Yields
Balance:
H2O2 + NO2 → HNO3
H2O2 + 2 NO2 → 2 HNO3
What kind of reaction is this?
2 LiOH + BaCO3 🡪 BaOH2 + Li2CO3
Double displacement
This number equaling 6.02x1023 represents the amount of particles/atoms/molecules in a mole.
Avogadro's number
What is the name for AlF3.
Aluminum Fluoride
The 2 in K2O is called a
subscript
Balance
Al + HCl → AlCl3 + H2
2 Al + 6 HCl → 2 AlCl3 + 3 H2
What type of reaction is this?
Al + HCl → AlCl3 + H2
Single Displacement
The amount of grams in one mole.
Molar mass
What is the formula for heptanitrogen decaoxide?
N7O10
What is used to represent what happens in a chemical reaction?
Chemical Equation
Balance:
B + F2 --> BF3
2 B + 3 F2 --> 2 BF3
What type of reaction is this?
H2O2 + NO2 → HNO3
Synthesis
What is the percent composition by mass of strontium in SrO?
84.56% Sr
What is the name for Fe(NO3)2?
Iron (II) Nitrate
What do we use to balance chemical equations?
Coefficients
Balance:
Ba + H3PO4 --> Ba3(PO4)2 + H2
3 Ba + 2 H3PO4 --> Ba3(PO4)2 + 3 H2
Predict and balance:
Fe2O3 -->
2 Fe2O3 --> 4 Fe + 3 O2
What is the molar mass of potassium phosphate?
212.27 g/mol
What is the formula for nonane?
C9H20
What is the Law of Conservation of Matter?
Matter cannot be created or destroyed.
Balance
C3H6 + O2 → CO2 + H2O
2 C3H6 + 9 O2 → 6 CO2 + 6 H2O
Predict and Balance:
C6H14 + O2 -->
2 C6H14 + 19 O2 --> 12 CO2 + 14 H2O
You are given: 12.8 g MnSO4 and want it in formula units.
5.103 x 1022 particles
What is the name for S4Cl8?
Tetrasulfur octachloride.