1. Balance each of the following equations (some are already balanced)
To the left of each equation, indicate the reaction type that it represents: C = Combination; D =
Decomposition; SR = Single-replacement; DR = Double-replacement; CN - Combustion
- Mg +
O₂
Mgo
CD SR DR CN
DR CN
DSR DR CN
_Pb(NO3),+ ___K_CO, -__PbCrO + __KNO,
Al + _ C1, -_AICI,
NaOH + _NICI, - _NaCI + NI(OH),
Na,so,+ __AI(NO3), _NaNO, + Al,(80.),
C
D
SR
C D
SR (DR CN
CDSR (DR CN
Sr(OH)2 + _NaCl -
SrCl, +
NaOH
C
D
SR DR
CN
HCI + - Fe,0,- _-FeCl + _-H,0
CH,,0+ __0,- __CO2 + ___ 4,0
C
D SR
DR
CN
