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3 Ca + N2 = Ca3N2
RbOH + H3AsO3 = Rb3AsO3 + H2O =>
3 RbOH + H3AsO3 = Rb3AsO3 + 3 H2O
Pb + NaOH + H2O = Na2PbO3 + H2 =>
Pb + 2 NaOH + H2O = Na2PbO3 + 2 H2
Na4S2O8 + Pb2(NO3)4 = Na4(NO3)4 + Pb2S2O8 =>
Na4S2O8 + Pb2(NO3)4 = Na4(NO3)4 + Pb2S2O8
H2SO4(aq) + TiO2(s) = H2O + Ti(SO4)2 =>
2 H2SO4(aq) + TiO2(s) = 2 H2O + Ti(SO4)2
Li2CO3(s) + HCl(aq) = CO2(g) + H2O(l) + LiCl =>
Li2CO3(s) + 2 HCl(aq) = CO2(g) + H2O(l) + 2 LiCl
K3MnO4 + NaOH = KOH + Na3MnO4 =>
K3MnO4 + 3 NaOH = 3 KOH + Na3MnO4
Zn + HNO3 = Zn(NO3)2 + NO + H2O =>
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 2 NO + 4 H2O
BaF2 + LiBr = BaBr2 + LiF =>
BaF2 + 2 LiBr = BaBr2 + 2 LiF
Ca + Mg(NO3)2 = Ca(NO3)2 + Mg =>
Ca + Mg(NO3)2 = Ca(NO3)2 + Mg
Na2S + HClO3 = H2S + NaClO3 =>
Na2S + 2 HClO3 = H2S + 2 NaClO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
Na2O + H2S = Na2S + H2O =>
Na2O + H2S = Na2S + H2O
Sn + Cl2 = SnCl4 =>
Sn + 2 Cl2 = SnCl4
V + ZnBr2 = VBr3 + Zn =>
2 V + 3 ZnBr2 = 2 VBr3 + 3 Zn
Na2S + Zn(NO3)2 = ZnS + NaNO3 =>
Na2S + Zn(NO3)2 = ZnS + 2 NaNO3
Cu(NH3)4(OH)2 + K2S = CuS + NH3 + KOH =>
Cu(NH3)4(OH)2 + K2S = CuS + 4 NH3 + 2 KOH
O2 + HCl = Cl2 + H2O =>
O2 + 4 HCl = 2 Cl2 + 2 H2O
K2Cr2O7 + KI + H2O = KOH + I2 + Cr(OH)3 =>
K2Cr2O7 + 6 KI + 7 H2O = 8 KOH + 3 I2 + 2 Cr(OH)3
AlCl3 + Zn(NO3)2 = ZnCl2 + Al(NO3)3 =>
2 AlCl3 + 3 Zn(NO3)2 = 3 ZnCl2 + 2 Al(NO3)3
H2SO4 + FeCO3 = FeSO4 + CO2 + H2O =>
H2SO4 + FeCO3 = FeSO4 + CO2 + H2O
Hg2{2+} + Cl{-} = Hg2Cl2 =>
Hg2{2+} + 2 Cl{-} = Hg2Cl2
K3[Fe(CN)6] + Na3[Co(NO2)6] = K3[Co(NO2)6] + Na3[Fe(CN)6] =>
K3[Fe(CN)6] + Na3[Co(NO2)6] = K3[Co(NO2)6] + Na3[Fe(CN)6]
TiO2 + K2CO3 = K2TiO3 + CO2 =>
TiO2 + K2CO3 = K2TiO3 + CO2
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
NaCl + H2SO4 = HCl + Na2SO4 =>
2 NaCl + H2SO4 = 2 HCl + Na2SO4
CH2CH2 + PdCl2 + H2O = CH3CO2H + Pd + HCl =>
CH2CH2 + 2 PdCl2 + 2 H2O = CH3CO2H + 2 Pd + 4 HCl
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
At(ClO4)5 + Pb(OH)4 = At(OH)5 + Pb(ClO4)4 =>
4 At(ClO4)5 + 5 Pb(OH)4 = 4 At(OH)5 + 5 Pb(ClO4)4
CoBr2(H2O)6 + HCl + H2O2 + C2H4(NH2)2 = (Co(C2H4(NH2)2)2Cl2)Cl + HBr + H2O =>
2 CoBr2(H2O)6 + 6 HCl + H2O2 + 4 C2H4(NH2)2 = 2(Co(C2H4(NH2)2)2Cl2)Cl + 4 HBr + 14 H2O
Cu + HNO3 = Cu(NO3)2 + HN + H2O =>
3 Cu + 7 HNO3 = 3 Cu(NO3)2 + HN + 3 H2O
Sn{+2}Cl2{-} + Hg{+2}Cl2{-} = Sn{+4}Cl4{-} + Hg2{+}Cl2{-} =>
3 Sn{+2}Cl2{-} + 4 Hg{+2}Cl2{-} = 3 Sn{+4}Cl4{-} + 2 Hg2{+}Cl2{-}
PbMnO4 + Mg = MgMnO4 + Pb =>
PbMnO4 + Mg = MgMnO4 + Pb
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
FeS + H2SO4 + HNO3 = Fe2(SO4)3 + NO2 + H2O =>
2 FeS + H2SO4 + 18 HNO3 = Fe2(SO4)3 + 18 NO2 + 10 H2O
Ca(OH)2 + HCl = CaCl + (OH)2H =>
Ca(OH)2 + HCl = CaCl + (OH)2H
KNO3 + MgSO4 = Mg(NO3)2 + K2SO4 =>
2 KNO3 + MgSO4 = Mg(NO3)2 + K2SO4
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
K + F = KF =>
K + F = KF
N2H4(g) + N2O4(g) = N2 + H2O =>
2 N2H4(g) + N2O4(g) = 3 N2 + 4 H2O
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)2Cl2(aq) + SrSO4(s) =>
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)2Cl2(aq) + SrSO4(s)
C2H4(g) + H2O(g) = C2H5OH =>
C2H4(g) + H2O(g) = C2H5OH
C6H5CN + H2O + H2SO4 = C6H5COOH + (NH4)2SO4 =>
2 C6H5CN + 4 H2O + H2SO4 = 2 C6H5COOH + (NH4)2SO4
CH2O + K2CrO4 + H2SO4 = HCOOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH2O + 2 K2CrO4 + 5 H2SO4 = 3 HCOOH + 2 K2SO4 + Cr2(SO4)3 + 5 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ag(NH3)2 + Cl + HNO3 = AgCl + NH4 + NO3 =>
Ag(NH3)2 + Cl + 2 HNO3 = AgCl + 2 NH4 + 2 NO3
K2Cr2O7 + HCl + NaOH = KCl + Na2CrO4 + H2O =>
K2Cr2O7 + 2 HCl + 4 NaOH = 2 KCl + 2 Na2CrO4 + 3 H2O
Cd(OH)2 + H2SO4 = CdSO4 + H2(OH)2 =>
Cd(OH)2 + H2SO4 = CdSO4 + H2(OH)2
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