Vocabulary
What are electrons that are available for bonding?
Valence Electrons
How many moles are in 48.64g of Carbon?
4.05 mol
Balance this equation
Ba + O2 -> BaO
2Ba + O2 -> 2BaO
Name this chemical bond.
N2O5
Dinitrogen Pentaoxide
Calculate the amount of each product if there is excess sulfur and 1.90 Moles of Methane.
2CH4 + S8 -> 2Cs2 + 4H2S
1.90 mol Cs2
3.8 mol H2O
What chemical reaction occurs when oxygen combines with a substance and releases heat and light?
Combustion reaction
Convert CuSO4 to moles
.01 mol CuSO4
Balance this equation.
FeCl3 +MgO -> Fe2O3 + MgCl2
2FeCl3 +3MgO -> Fe2O3 +3 MgCl2
What is the formula for this compound?
chromium (III) Hydroxide
Cr(OH)3
You have 50g of both reactants, what are the limiting and excess reactants?
2AgNO3 + K2CrO4 -> Ag2CrO4 + 2KNO3
Limiting - AgNO3
Excess - K2CrO4
What is the study of the quantitive relationship between the reactants and products in a chemical reaction?
Stoichiometry
Convert .91g of H2O to moles.
.05 mol H2O
Balance the equation.
C3H8 + O2 -> CO2 +H2O
C3H8 + 5O2 -> 3CO2 +4H2O
Name this compound.
TiBr3
Titanium (III) Bromide
What are the first two steps when solving a stoichiometry equation?
Write and balance the equation.
What is an ion made up of more than one atom?
Polyatomic Ions
Convert 4.20 mol of calcium hydroxide to grams.
311.19g calcium hydroxide
Balance the equation.
K2CrO4 + AgNO3 -> Ag2CrO4 + KNO3
K2CrO4 + 2AgNO3 -> Ag2CrO4 + 2KNO3
Name this Ionic Compound.
Zn(NO3)2
Zinc (ll) Nitrate
4CoO + O2 -> 2Co2O3
26.54g of Co2O3
What are the names of the elements in group 17 on the periodic table?
Halogens
Convert 50g of hydrochloric acid to moles.
1.37 moles of HCL
Balance this equation.
HCl +MnO2 -> MnCl2 +Cl2 +H2O
4HCl +MnO2 -> MnCl2 +Cl2 +2H2O
KMnO4
Potassium Permanganate
If you have 40g of both reactants, how much hexafluoride could be produced? Also, find the excess.
6HF +SiO2 -> H2SiF6 + 2H2O
47.55g H2SiF6
20.17g Left