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3 Al + 4 HNO3 = 3 Al(NO3) + NO + 2 H2O
CaCO3(s) + HC2H3O2(aq) = Ca(C2H3O2)2(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 HC2H3O2(aq) = Ca(C2H3O2)2(aq) + CO2(g) + H2O(l)
CH3COOH(aq) + NaHCO3(s) = NaC2H3O2(s) + CO2(g) + H2O(l) =>
CH3COOH(aq) + NaHCO3(s) = NaC2H3O2(s) + CO2(g) + H2O(l)
Cu(OH)2 + O2 = CuO + OH =>
2 Cu(OH)2 + O2 = 2 CuO + 4 OH
HClO4 + P4 + H2O = HCl + H3PO4 =>
5 HClO4 + 2 P4 + 12 H2O = 5 HCl + 8 H3PO4
NO + O2 + H2O = HNO3 =>
4 NO + 3 O2 + 2 H2O = 4 HNO3
Al2(SO4)3(aq) + K(OH)(aq) = Al(OH)3(aq) + K2(SO4)(aq) =>
Al2(SO4)3(aq) + 6 K(OH)(aq) = 2 Al(OH)3(aq) + 3 K2(SO4)(aq)
KMgO4 + KBr + H2O = MgO2 + Br2 + KOH =>
2 KMgO4 + 6 KBr + 4 H2O = 2 MgO2 + 3 Br2 + 8 KOH
HNO3 + Ca + OH = Ca(NO3)2 + H2O =>
2 HNO3 + Ca + 2 OH = Ca(NO3)2 + 2 H2O
NaAlO2 + H2SO4 = Al2(SO4)3 + H2O + Na2SO4 =>
2 NaAlO2 + 4 H2SO4 = Al2(SO4)3 + 4 H2O + Na2SO4
N2H4 + O2 = NO2 + H2O =>
N2H4 + 3 O2 = 2 NO2 + 2 H2O
C35H60O7 + O2 = CO + H2CO3 =>
C35H60O7 + 44 O2 = 5 CO + 30 H2CO3
C49H94 + O2 = CO2 + H2O =>
2 C49H94 + 145 O2 = 98 CO2 + 94 H2O
CH3CHCHCH3 + KOH = CH3CHOHCHOHCH3 + K =>
CH3CHCHCH3 + 2 KOH = CH3CHOHCHOHCH3 + 2 K
KOH + Cl2 = KClO3 + KCl + H2O =>
6 KOH + 3 Cl2 = KClO3 + 5 KCl + 3 H2O
C2H2 + AgNO3 = C2Ag2 + N2O5 + H2O =>
C2H2 + 2 AgNO3 = C2Ag2 + N2O5 + H2O
Ba(OH)2 + KMnO4 = KOH + BaMnO4 + H2O + O2 =>
4 Ba(OH)2 + 4 KMnO4 = 4 KOH + 4 BaMnO4 + 2 H2O + O2
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
KNO3 + Al + KOH + H2O = K[Al(OH)4] + NH3 =>
3 KNO3 + 8 Al + 5 KOH + 18 H2O = 8 K[Al(OH)4] + 3 NH3
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
CH3OHNHC6H4 + NaOH = CH3OH + NH2C6H4ONa =>
CH3OHNHC6H4 + NaOH = CH3OH + NH2C6H4ONa
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
CuCO3 + K2CrO4 = CuCrO4 + K2CO3 =>
CuCO3 + K2CrO4 = CuCrO4 + K2CO3
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
PbCO3 + H3O = Pb + H2CO3 + H2O =>
PbCO3 + 2 H3O = Pb + H2CO3 + 2 H2O
Al(OH)2Cl + HNO3 = Al(OH)2NO3 + HCl =>
Al(OH)2Cl + HNO3 = Al(OH)2NO3 + HCl
H2(g) + C12(g) = HC1(aq) =>
6 H2(g) + C12(g) = 12 HC1(aq)
Na2O + Cl = NaCl + O2 =>
2 Na2O + 4 Cl = 4 NaCl + O2
KNO3 + H2SO4 = K2SO4 + HNO3 =>
2 KNO3 + H2SO4 = K2SO4 + 2 HNO3
SO2 + Na = Na2S + Na2O =>
SO2 + 6 Na = Na2S + 2 Na2O
NiSO4 + LiOH = Li2SO4 + Ni(OH)2 =>
NiSO4 + 2 LiOH = Li2SO4 + Ni(OH)2
SnCl4 + CaCO3 = Sn(CO3)2 + CaCl2 =>
SnCl4 + 2 CaCO3 = Sn(CO3)2 + 2 CaCl2
I{-} + MnO4{-} + H{+} + H2O = H5IO6 + MnO2 =>
3 I{-} + 8 MnO4{-} + 11 H{+} + 2 H2O = 3 H5IO6 + 8 MnO2
H3BO3 + K = B + KOH =>
H3BO3 + 3 K = B + 3 KOH
Mg(NO3)2 + CaO = MgO + Ca(NO3)2 =>
Mg(NO3)2 + CaO = MgO + Ca(NO3)2
NH4ClO4 + Al = N2 + H2O + Al2O3 + HCl =>
6 NH4ClO4 + 10 Al = 3 N2 + 9 H2O + 5 Al2O3 + 6 HCl
Fe(NO3)3 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)3 = 2 Fe2O3 + 12 NO2 + 3 O2
K2CrO4 + MnO2 + KOH = KCrO2 + K2MnO4 + H2O =>
2 K2CrO4 + 3 MnO2 + 4 KOH = 2 KCrO2 + 3 K2MnO4 + 2 H2O
AuCl + KH2PO4 = AuPO4 + ClKH2 =>
AuCl + KH2PO4 = AuPO4 + ClKH2
Cu(OH)2 + O2 = CuO + OH =>
2 Cu(OH)2 + O2 = 2 CuO + 4 OH
AlPO4 + NaI = Na3PO4 + AlI3 =>
AlPO4 + 3 NaI = Na3PO4 + AlI3
K2(OH)2 + H2SO4 = K2SO4 + H2O =>
K2(OH)2 + H2SO4 = K2SO4 + 2 H2O
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
Mn(NO3)2 + NaBiO3 + HNO3 + H2O = HMnO4 + BiNO3(OH)2 + NaNO3 =>
2 Mn(NO3)2 + 5 NaBiO3 + 6 HNO3 + 3 H2O = 2 HMnO4 + 5 BiNO3(OH)2 + 5 NaNO3
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
Zn + CuS = ZnS + Cu =>
Zn + CuS = ZnS + Cu
Fe2S3 + CaI2 = CaS + FeI3 =>
Fe2S3 + 3 CaI2 = 3 CaS + 2 FeI3
MnO4{-} + H{+} + {-} = H2O + Mn{2+} =>
MnO4{-} + 8 H{+} + 5e = 4 H2O + Mn{2+}
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