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2 CaO = 2 Ca + O2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CaO + O2 + SO2 = Ca(SO4) =>
2 CaO + O2 + 2 SO2 = 2 Ca(SO4)
MgCl2 + Na(No)3 = Mg(No3)2 + NaCl =>
MgCl2 + 2 Na(No)3 = Mg(No3)2 + 2 NaCl
K3AlF6 + Sc2O3 = K3ScF6 + Al2O3 =>
2 K3AlF6 + Sc2O3 = 2 K3ScF6 + Al2O3
Al(No3)3 + ZnCl2 = Zn(No3)2 + AlCl3 =>
2 Al(No3)3 + 3 ZnCl2 = 3 Zn(No3)2 + 2 AlCl3
C2H2O4*2H2O + KMnO4 = CO2 + H2O + K2CO3 + Mn2O3 =>
4 C2H2O4*2H2O + 2 KMnO4 = 7 CO2 + 12 H2O + K2CO3 + Mn2O3
C8H6O5S + NaOH + O2 = C8H4O3Na + H2O + Na2SO5 =>
4 C8H6O5S + 12 NaOH + 5 O2 = 4 C8H4O3Na + 10 H2O + 4 Na2SO5
FeC2O4 + H2O2 + K + C2O4 + H = K3[Fe(C2O4)3]3H2O =>
6 FeC2O4 + H2O2 + 6 K + 12 C2O4 + 2 H = 2 K3[Fe(C2O4)3]3H2O
H2CrO4 + NaHSO3 = NaHCrO4 + SO2 + H2O =>
H2CrO4 + NaHSO3 = NaHCrO4 + SO2 + H2O
KCl + Mg(NO3)2 = KNO3 + MgCl2 =>
2 KCl + Mg(NO3)2 = 2 KNO3 + MgCl2
P2O5 + SO2 = P2SO7 =>
P2O5 + SO2 = P2SO7
Fe2O3(s) + H2(g) = Fe3O4(s) + H2O(g) =>
3 Fe2O3(s) + H2(g) = 2 Fe3O4(s) + H2O(g)
Mg(HCO3)2 + HBr = CO2 + H2O + MgBr2 =>
Mg(HCO3)2 + 2 HBr = 2 CO2 + 2 H2O + MgBr2
C3H6NH + H2O = C3H6NH2 + OH =>
C3H6NH + H2O = C3H6NH2 + OH
HgS + HNO3 + HBr = HgBr2 + S + NO + H2O =>
3 HgS + 2 HNO3 + 6 HBr = 3 HgBr2 + 3 S + 2 NO + 4 H2O
Mg3 + N2 = MgN2 =>
Mg3 + 3 N2 = 3 MgN2
CuSO4 + Na2S2O3 + H2O = Cu2S + S + NaHSO4 =>
2 CuSO4 + 2 Na2S2O3 + 2 H2O = Cu2S + S + 4 NaHSO4
CHCH + KMnO4 = KOOCCOOK + MnO2 + KOH + H2O =>
3 CHCH + 8 KMnO4 = 3 KOOCCOOK + 8 MnO2 + 2 KOH + 2 H2O
SrCl2 + H2SO4 = HCl + SrSO4 =>
SrCl2 + H2SO4 = 2 HCl + SrSO4
KClO3 + S = SO3 + KCl =>
KClO3 + S = SO3 + KCl
KBr + KBrO3 + HCl = Br2 + KCl + H2O =>
5 KBr + KBrO3 + 6 HCl = 3 Br2 + 6 KCl + 3 H2O
H2SO4 + SrBr2 = HBr + SrSO4 =>
H2SO4 + SrBr2 = 2 HBr + SrSO4
CH4 + Br2 = HBr + CBr =>
2 CH4 + 5 Br2 = 8 HBr + 2 CBr
NO2 + Ba(OH)2 = H2O + BaNO3 =>
NO2 + Ba(OH)2 = H2O + BaNO3
SnCl2 + KOH = K2SnO2 + HCl =>
SnCl2 + 2 KOH = K2SnO2 + 2 HCl
Fe + (NO3)2 + KOH = Fe(OH)3 + K(NO3)2 =>
Fe + 3(NO3)2 + 3 KOH = Fe(OH)3 + 3 K(NO3)2
HCl + N2H4 = NH3 + Cl =>
2 HCl + N2H4 = 2 NH3 + 2 Cl
SO3 + NaOH = H2O + Na2SO4 =>
SO3 + 2 NaOH = H2O + Na2SO4
H5IO6 + NaI + AcOH = I2 + NaOAc + H2O =>
H5IO6 + 7 NaI + 7 AcOH = 4 I2 + 7 NaOAc + 6 H2O
CrCl3 + NH3 + H2O = NH4Cl + Cr(OH)3 =>
CrCl3 + 3 NH3 + 3 H2O = 3 NH4Cl + Cr(OH)3
X6H12Y6 = X2H5YH + XY2 =>
X6H12Y6 = 2 X2H5YH + 2 XY2
pentane + oxygen = carbonmonoxide + water =>
2 C5H12 + 11 O2 = 10 CO + 12 H2O
CH3CH2OH + Cr2O7{2-} + H{+} = CH3CO2H + Cr3{+} + H2O =>
17 CH3CH2OH + 6 Cr2O7{2-} + 16 H{+} = 17 CH3CO2H + 4 Cr3{+} + 25 H2O
KOH + H3POD4 = K3POD4 + H2O =>
3 KOH + H3POD4 = K3POD4 + 3 H2O
Cu(NO3)2 + NH4NO3 = Cu(OH)2 + NH3 + NO3 =>
3 Cu(NO3)2 + 12 NH4NO3 = 3 Cu(OH)2 + 14 NH3 + 16 NO3
Ag2CrO4 + NH3*H2O = [Ag(NH3)2]2CrO4 + H2O =>
Ag2CrO4 + 4 NH3*H2O = [Ag(NH3)2]2CrO4 + 4 H2O
Fe + CuBr2 = Fe(Br)3 + Cu =>
2 Fe + 3 CuBr2 = 2 Fe(Br)3 + 3 Cu
KClO3 + KBr + HCl = Br2 + KCl + H2O =>
KClO3 + 6 KBr + 6 HCl = 3 Br2 + 7 KCl + 3 H2O
CH3COOH + Mg(HCO3)2 = (CH3COO)2Mg + CO2 + H2O =>
2 CH3COOH + Mg(HCO3)2 = (CH3COO)2Mg + 2 CO2 + 2 H2O
[Zn(NH3)4](OH)2 + KCN = K2[Zn(CN)4] + NH3 + KOH =>
[Zn(NH3)4](OH)2 + 4 KCN = K2[Zn(CN)4] + 4 NH3 + 2 KOH
SO2 + KMnO4 + KOH = MnO2 + K2SO4 + H2O =>
3 SO2 + 2 KMnO4 + 4 KOH = 2 MnO2 + 3 K2SO4 + 2 H2O
C6H6 + O2 = CO2 + *H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6*H2O
AlH3 + H2O = Al(OH)3 + H2 =>
AlH3 + 3 H2O = Al(OH)3 + 3 H2
CuO + H2SO4 + HCl = CuCl + SO4 + H2O =>
2 CuO + H2SO4 + 2 HCl = 2 CuCl + SO4 + 2 H2O
CuS + HNO3 = Cu(NO3)2 + NO2 + H2O + SO2 =>
CuS + 8 HNO3 = Cu(NO3)2 + 6 NO2 + 4 H2O + SO2
C7H6O3 + C4H6O3 = C6H4(OCOCH3)CO2H =>
11 C7H6O3 + C4H6O3 = 9 C6H4(OCOCH3)CO2H
Al2O3 + CO = Al + CO2 =>
Al2O3 + 3 CO = 2 Al + 3 CO2
SnCl4(aq) + Ti(NO3)3(aq) = Sn(NO3)4(aq) + TiCl3(aq) =>
3 SnCl4(aq) + 4 Ti(NO3)3(aq) = 3 Sn(NO3)4(aq) + 4 TiCl3(aq)
Al(NO3)3(aq) + CaCl2(aq) = AlCl3(aq) + Ca(NO3)2(aq) =>
2 Al(NO3)3(aq) + 3 CaCl2(aq) = 2 AlCl3(aq) + 3 Ca(NO3)2(aq)
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