Reaction Types
CaCl2 + 2 AgNO3 → 2 AgCl + Ca(NO3)2
Double Replacement
Zn + I2 →
Zn + I2 → ZnI2
What number would I use to go from moles to grams?
Molar mass (found on the periodic table)
How many grams would you have in an 8.4 mole sample of iron.
469.14 g Fe
Find the molar mass for BaSO4
233.38 g/mol
P4O10 + 6 H2O → 4 H3PO4
Synthesis
Mn + AgNO3 →
Mn + 2 AgNO3 → 2 Ag + Mn(NO3)2
What number would I use to go from moles to molecules/atoms?
6.022x1023 atoms/mol (Avogadro's number)
Calculate the number of atoms in 5.0 grams of NaCl.
5.15x1022 atoms NaCl
Balance the equation:
Ca + H2O → Ca(OH)2 + H2
Ca + 2 H2O → Ca(OH)2 + H2
3 Mg + 2 AlCl3 → 3 MgCl2 + 2 Al
Single replacement
C2H4 + O2 →
C2H4 + 3 O2 → 2 CO2 + 2 H2O
Where do I find the ratio for going from moles of one substance to moles of another?
Balanced chemical equation
How many moles of H2O will be produced from 26.0 g of H2O2?
0.764 moles of H2O
2 H2O2 ---> 2 H2O + 2 O2
Find the molar mass for: Ca3(PO4)2
310.18 g/mol
COCl2 → CO + Cl2
Decomposition
HNO3 + Sr(OH)2 →
2 HNO3 + Sr(OH)2 → Sr(NO3)2 + 2 H2O
What would the ratio be for moles of Ag to moles of Cl2 when forming AgCl?
(2:1) 2 Ag + Cl2 → 2 AgCl
If I have 5.71g Zn, how many grams of ZnCl2 will be produced?
11.903 g ZnCl2
Find the molar mass for: (NH4)2Cr2O7
252.07 g/mol
2 C2H2 + 5 O2 → 4 CO2 + 2 H2O
Combustion
HCl + RbOH →
HCl + RbOH → H2O + RbCl (Acid Base)
What number would I use to go from moles to volume of a gas?
22.4 L/mol
How many atoms of Fe will react with 2.00 g octasulfur (S8)?
3.76x1022 atoms Fe
8 Fe + S8 → 8 FeS
Balance the equation: La + H2O → La(OH)3 + H2
2 La + 6 H2O → 2 La(OH)3 + 3 H2