Classify each of the following as a combination, decomposition, single/double replacement or combustion...

1. Classify each of the following as a combination, decomposition, single/double replacement or combustion reaction:
a) FeCl3 (aq) + 3 NaOH (aq) -> Fe(OH)3 (s) + 3 NaCl (aq)
b) 2 Al (s) + 3 Br2 (g) -> 2 AlBr3 (s)
c) C3H8 (g) + 5 O2 (g) -> 3 CO2 (g) + 4 H2O (g)
d) Ni (s) + 2 AgNO3 (aq) -> 2 Ag (s) + Ni(NO3)2 (aq)
2. Determine which metal is oxidized and which is reduced in the following reactions
a) Ni (s) + 2 AgNO3 (aq) -> 2 Ag (s) + Ni(NO3)2 (aq)
b) Zn (s) + 2 HCl (aq) -> H2 (g) + ZnCl2 (aq)
3. The following reaction takes place when you burn propane gas:
C3H8 (g) + 5 O2 (g) -> 3 CO2 (g) + 4 H2O (g)
a) How many moles of CO2 are produced if 2.1 moles of C3H8 reacted?
b) How many moles of CO2 are produced if 3.2 moles of O2 reacted?
c) How many moles of CO2 are produced if 7.4 moles of H2O was also produced?