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4 Cr + 3 O2 = 2 Cr2O3
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
Zn + S = ZnS =>
Zn + S = ZnS
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
AlI3 + HgCl2 = AlCl3 + HgI2 =>
2 AlI3 + 3 HgCl2 = 2 AlCl3 + 3 HgI2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
H2S + HNO3 = H2SO4 + NO2 + H2O =>
H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
Al2O3 + NaOH + H2O = Na + [Al(OH)4] =>
Al2O3 + 2 NaOH + 3 H2O = 2 Na + 2[Al(OH)4]
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Fe + Cl2 = FeCl2 =>
Fe + Cl2 = FeCl2
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
O2 + Al = Al2O3 =>
3 O2 + 4 Al = 2 Al2O3
Mn + OH = MnO + H2O =>
Mn + 2 OH = MnO + H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Mn + OH = MnO4 + H2O =>
Mn + 8 OH = MnO4 + 4 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CaCl2 + KOH = Ca(OH)2 + KCl =>
CaCl2 + 2 KOH = Ca(OH)2 + 2 KCl
Cr(OH)3 + Cl2 + OH{-} = CrO42{-} + Cl{-} + H20 =>
10 Cr(OH)3 + 190 Cl2 + 390 OH{-} = 10 CrO42{-} + 380 Cl{-} + 21 H20
PBr3 = P4 + Br2 =>
4 PBr3 = P4 + 6 Br2
Cr(OH)3 + Cl2 + OH{-} = CrO4{2-} + Cl{-} + H2O =>
2 Cr(OH)3 + 3 Cl2 + 10 OH{-} = 2 CrO4{2-} + 6 Cl{-} + 8 H2O
Hg(NO3)2 = Hg + NO2 + O2 =>
Hg(NO3)2 = Hg + 2 NO2 + O2
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
KBr + Cl = KCl + Br =>
KBr + Cl = KCl + Br
C9H12O2 + H2O2 = C7H6O2 + CH4O =>
C9H12O2 + H2O2 = C7H6O2 + 2 CH4O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Al + O = AlO =>
Al + O = AlO
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
Al + O3 = Al2O3 =>
2 Al + O3 = Al2O3
SnO + C = Sn + CO2 =>
2 SnO + C = 2 Sn + CO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
SnO + C = Sn + CO2 =>
2 SnO + C = 2 Sn + CO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CO2 + NaOH = Na2CO3 + H2O =>
CO2 + 2 NaOH = Na2CO3 + H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Pb3O4 = PbO + O2 =>
2 Pb3O4 = 6 PbO + O2
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
Fe3 + O2 = Fe2O3 =>
4 Fe3 + 9 O2 = 6 Fe2O3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
KBr + Cl = Br + KCl =>
KBr + Cl = Br + KCl
NH4Cl + HNO3 = NH4NO3 + HCl =>
NH4Cl + HNO3 = NH4NO3 + HCl
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
C + O2 = CO =>
2 C + O2 = 2 CO
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