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4 CrS2 + 11 O2 = 2 Cr2O3 + 8 SO2
Na2B4O7 + HCl = NaCl + NaHB4O7 =>
Na2B4O7 + HCl = NaCl + NaHB4O7
Zn + Cr2(SO4)3 = Zn(SO4)3 + Cr =>
Zn + Cr2(SO4)3 = Zn(SO4)3 + 2 Cr
PBr3 + H2O = PH3 + Br2O =>
2 PBr3 + 3 H2O = 2 PH3 + 3 Br2O
Na[Al(OH)4] + H2SO4 = H2O + Al2(SO4)3 + Na2SO4 =>
2 Na[Al(OH)4] + 4 H2SO4 = 8 H2O + Al2(SO4)3 + Na2SO4
ClO3H + NaOH = ClO3Na + H2O =>
ClO3H + NaOH = ClO3Na + H2O
Rn + F2 = RnF2 =>
Rn + F2 = RnF2
C6H5CO2 + H2O = C6H5CO2H + OH =>
C6H5CO2 + H2O = C6H5CO2H + OH
Na2O*CaO*6SiO2 + HF = SiF4 + Na2SiF6 + CaSiF6 + H2O =>
Na2O*CaO*6SiO2 + 28 HF = 4 SiF4 + Na2SiF6 + CaSiF6 + 14 H2O
(NH4)2CO3 + HNO3 = NH4NO3 + H2CO3 =>
(NH4)2CO3 + 2 HNO3 = 2 NH4NO3 + H2CO3
Zn + (PbNO3)2 = (ZnNO3)2 + Pb =>
2 Zn + (PbNO3)2 = (ZnNO3)2 + 2 Pb
Na(OH)2 + HNo3 = Na(No3)2 + H2O =>
Na(OH)2 + 2 HNo3 = Na(No3)2 + 2 H2O
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
KMnO4 + FeCl3 + HCl = MnCl2 + FeCl2KCl + Cl2 + H2O =>
KMnO4 + FeCl3 + 8 HCl = MnCl2 + FeCl2KCl + 3 Cl2 + 4 H2O
BaO + S = Ba + SO2 =>
2 BaO + S = 2 Ba + SO2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH3CO2H + KOH = KCH3CO2 + H2O =>
CH3CO2H + KOH = KCH3CO2 + H2O
Cu(NO3)2 + K2Cr2O7 = Cu(Cr2O7) + K(NO3) =>
Cu(NO3)2 + K2Cr2O7 = Cu(Cr2O7) + 2 K(NO3)
H2S + K2CO3 = KHCO3 + KHS =>
H2S + K2CO3 = KHCO3 + KHS
AlCH3COO + CuCrO4 = AlCrO4 + CuCH3COO =>
AlCH3COO + CuCrO4 = AlCrO4 + CuCH3COO
Sr + Cu(NO3)2 = Sr(NO3) + Cu =>
2 Sr + Cu(NO3)2 = 2 Sr(NO3) + Cu
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
Sc2(CO3)3 + H2SO4 = Sc2(SO4)3 + CO2 + H2O =>
Sc2(CO3)3 + 3 H2SO4 = Sc2(SO4)3 + 3 CO2 + 3 H2O
HgO + HNO3 = Hg(NO3)2 + H2O =>
HgO + 2 HNO3 = Hg(NO3)2 + H2O
HSO3{-} + H2O = SO3{-2} + H3O{+} =>
HSO3{-} + H2O = SO3{-2} + H3O{+}
Sn + Li2SO4 = Li2 + SnSO4 =>
Sn + Li2SO4 = Li2 + SnSO4
NaFeO2 + H2O = FeO(OH) + NaOH =>
NaFeO2 + H2O = FeO(OH) + NaOH
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Mg(HCO3)2 + HCl = MgCl2 + H2O + CO2 =>
Mg(HCO3)2 + 2 HCl = MgCl2 + 2 H2O + 2 CO2
PbCl2 + CH3COOH = (CH3COO)2Pb + HCl =>
PbCl2 + 2 CH3COOH = (CH3COO)2Pb + 2 HCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH3OH + PCl3 = CH3Cl + POCl + H2O =>
2 CH3OH + PCl3 = 2 CH3Cl + POCl + H2O
K2CO3 + H2C2O4 = K2C2O4 + H2O + CO2 =>
K2CO3 + H2C2O4 = K2C2O4 + H2O + CO2
CH3OH + CuO = CH3COH + Cu + H2O =>
2 CH3OH + CuO = CH3COH + Cu + 2 H2O
Au2O3 + Na = Na2O + Au =>
Au2O3 + 6 Na = 3 Na2O + 2 Au
CaCO3 + CuSO4 = CaSO4 + CuCO3 =>
CaCO3 + CuSO4 = CaSO4 + CuCO3
Sb2O3 = Sb + O2 =>
2 Sb2O3 = 4 Sb + 3 O2
(NH4)2SO4 + KCl = NH4Cl + K2SO4 =>
(NH4)2SO4 + 2 KCl = 2 NH4Cl + K2SO4
Ni + H2SO3 = Ni2(SO3)3 + H2 =>
2 Ni + 3 H2SO3 = Ni2(SO3)3 + 3 H2
Ca(OH)2 + C4H8O2 = C8H14CaO4 + H2O =>
Ca(OH)2 + 2 C4H8O2 = C8H14CaO4 + 2 H2O
Fe(s) + O2 + H2O(l) = Fe(OH)2(aq) =>
2 Fe(s) + O2 + 2 H2O(l) = 2 Fe(OH)2(aq)
[Zn(OH)4]{2-} + H{+} = Zn{2+} + H2O =>
[Zn(OH)4]{2-} + 4 H{+} = Zn{2+} + 4 H2O
BaSO4 = BaO + SO3 =>
BaSO4 = BaO + SO3
C17H19NO3 + O2 = CO2 + H2O + HNO2 =>
C17H19NO3 + 21 O2 = 17 CO2 + 9 H2O + HNO2
HCOOH + HNO3 = CO2 + H2O + NO =>
3 HCOOH + 2 HNO3 = 3 CO2 + 4 H2O + 2 NO
BaC2O4 + CH3COOH = Ba(OH)2 + CH3CH2 + CO2 =>
BaC2O4 + 3 CH3COOH = Ba(OH)2 + 2 CH3CH2 + 4 CO2
Fe + Br2 = FeBr2 =>
Fe + Br2 = FeBr2
FeI + Ag(NO3) = AgI + Fe(NO3) =>
FeI + Ag(NO3) = AgI + Fe(NO3)
Sr(OH)2 + H3BO3 = Sr3(BO3)2 + H2O =>
3 Sr(OH)2 + 2 H3BO3 = Sr3(BO3)2 + 6 H2O
K2Cr2O7 + Na2SO3 + KOH + H2O = Na2SO4 + K3[Cr(OH)6] =>
K2Cr2O7 + 3 Na2SO3 + 4 KOH + 4 H2O = 3 Na2SO4 + 2 K3[Cr(OH)6]
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