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2 Pb(NO3)2 + 2 Na2CrO4 = Pb2(CrO4)2 + 4 NaNO3
Ca + H2O = Ca(OH)2 + H(classification) =>
Ca + 2 H2O = Ca(OH)2 + 2 H(classification)
NH4NO3 + NaOH = NaNH4 + OHNO3 =>
NH4NO3 + NaOH = NaNH4 + OHNO3
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
K2SO3 + Mg3(PO4)2 = MgSO3 + K3PO4 =>
3 K2SO3 + Mg3(PO4)2 = 3 MgSO3 + 2 K3PO4
C6H5Cl + H2O = C6H6O + HCl =>
C6H5Cl + H2O = C6H6O + HCl
Na2S(aq) + HBr(aq) = NaBr(aq) + H2S(g) =>
Na2S(aq) + 2 HBr(aq) = 2 NaBr(aq) + H2S(g)
Mg(NO3)2 + K2O = MgO + KNO3 =>
Mg(NO3)2 + K2O = MgO + 2 KNO3
MgO2 + H2O = Mg(OH)2 + H2O2 =>
MgO2 + 2 H2O = Mg(OH)2 + H2O2
KI(aq) + BaCl2(aq) = KCl(aq) + BaI2(s) =>
2 KI(aq) + BaCl2(aq) = 2 KCl(aq) + BaI2(s)
Hg + ZnSO4 = Hg2(SO4)2 + Zn2 =>
2 Hg + 2 ZnSO4 = Hg2(SO4)2 + Zn2
Hg0 = Hg =>
Hg0 = Hg
Mn2O3 + Hg + CN{-} + H2O = Mn(CN)6{-4} + Hg(CN)2 + OH{-} =>
Mn2O3 + Hg + 14 CN{-} + 3 H2O = 2 Mn(CN)6{-4} + Hg(CN)2 + 6 OH{-}
MgCl2 + K2HPO4 = MgHPO4 + KCl =>
MgCl2 + K2HPO4 = MgHPO4 + 2 KCl
KSCN + Fe(NO3)3 + AgNo3 = AgSCN + KNO3 + Fe(No3)3 =>
3 KSCN + Fe(NO3)3 + 3 AgNo3 = 3 AgSCN + 3 KNO3 + Fe(No3)3
H2SO3 + Zn(OH)2 = [Zn(OH)2]SO3 + H2 =>
H2SO3 + Zn(OH)2 = [Zn(OH)2]SO3 + H2
Ca + NaOH = Ca(OH)2 + Na =>
Ca + 2 NaOH = Ca(OH)2 + 2 Na
NiO + CrO3 = NiCrO4 =>
NiO + CrO3 = NiCrO4
H3PO4 + FeNO3 = H + NO3 + FePO4 =>
H3PO4 + FeNO3 = 3 H + NO3 + FePO4
Hg2(ClO3)2 + NaCl = Hg2Cl2 + NaClO3 =>
Hg2(ClO3)2 + 2 NaCl = Hg2Cl2 + 2 NaClO3
KMnO4 + H2SO4 + SnCl2 = MnSO4 + KCl + SnCl4 + H2O + Sn(SO4)2 =>
2 KMnO4 + 8 H2SO4 + 5 SnCl2 = 2 MnSO4 + 2 KCl + 2 SnCl4 + 8 H2O + 3 Sn(SO4)2
AlCl3 + NH4ClO3 = AlClO3 + Cl3NH4 =>
AlCl3 + NH4ClO3 = AlClO3 + Cl3NH4
KCl = Cl + K =>
KCl = Cl + K
K2SO3 + Mg3(PO4)2 = MgSO3 + K3PO4 =>
3 K2SO3 + Mg3(PO4)2 = 3 MgSO3 + 2 K3PO4
Na2SO3{2-} + HNO3 = Na2SO4{2-} + NO + H2O =>
3 Na2SO3{2-} + 2 HNO3 = 3 Na2SO4{2-} + 2 NO + H2O
CuOH2S04 = CuS04H2O =>
CuOH2S04 = CuS04H2O
H2[PtCl6] + RbOH = Rb2[PtCl6] + H2O =>
H2[PtCl6] + 2 RbOH = Rb2[PtCl6] + 2 H2O
HCl + PbCO3 = PbCl2 + CO2 + H2O =>
2 HCl + PbCO3 = PbCl2 + CO2 + H2O
H3P + Ba(OH)2 = HOH + Ba3P2 =>
2 H3P + 3 Ba(OH)2 = 6 HOH + Ba3P2
K2Cr2O7 + Na2CO3 = Na2Cr2O7 + K2CO3 =>
K2Cr2O7 + Na2CO3 = Na2Cr2O7 + K2CO3
H2CO3 + NaNO3 + AgNO3 = Ag2CO3 + NaH + NO3 =>
H2CO3 + 2 NaNO3 + 2 AgNO3 = Ag2CO3 + 2 NaH + 4 NO3
CrO3(s) + H2O(l) = H2CrO4(g) =>
CrO3(s) + H2O(l) = H2CrO4(g)
Zn + OH{-} + H2O = [Zn(OH)4]2{-} + H2 =>
4 Zn + 2 OH{-} + 14 H2O = 2[Zn(OH)4]2{-} + 7 H2
ZrCl4 + O2 = ZrO2 + Cl2 =>
ZrCl4 + O2 = ZrO2 + 2 Cl2
Fe(CO)5 + NaOH = Na2Fe(CO)4 + Na2CO3 + H2O =>
Fe(CO)5 + 4 NaOH = Na2Fe(CO)4 + Na2CO3 + 2 H2O
Na2CO3 + H2SO4 = CO2 + H2O + NaHSO4 =>
Na2CO3 + 2 H2SO4 = CO2 + H2O + 2 NaHSO4
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
Fe(NO3)2 + CuCl2 = FeCl2 + Cu(NO3)2 =>
Fe(NO3)2 + CuCl2 = FeCl2 + Cu(NO3)2
Ba{2+} + Br{-} = BaBr2 =>
Ba{2+} + 2 Br{-} = BaBr2
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
S + OH{-} = SO3{2-} + HS{-} + H2O =>
3 S + 4 OH{-} = SO3{2-} + 2 HS{-} + H2O
AlNa(OH)4 = NaAl(OH)4 =>
AlNa(OH)4 = NaAl(OH)4
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
C2H6 + Cl2 = C2H4Cl2 + HCl =>
C2H6 + 2 Cl2 = C2H4Cl2 + 2 HCl
CH3CH2CHOH + O2 = CO2 + H2O =>
4 CH3CH2CHOH + 17 O2 = 12 CO2 + 14 H2O
KOH + Al2O3 = K2Al2O4 + H2O =>
2 KOH + Al2O3 = K2Al2O4 + H2O
Se + H2 = SeH2 =>
Se + H2 = SeH2
CaCl + AgNO3 = AgCl + Ca2(NO3)2 =>
2 CaCl + 2 AgNO3 = 2 AgCl + Ca2(NO3)2
CHCl3 + NaCl + H2SO4 = Na2SO4 + CH3Cl + Cl2 =>
CHCl3 + 2 NaCl + H2SO4 = Na2SO4 + CH3Cl + 2 Cl2
H2SO4 + NaCl + K2Cr2O7 = CrO2Cl2 + KHSO4 + NaHSO4 + H2O =>
6 H2SO4 + 4 NaCl + K2Cr2O7 = 2 CrO2Cl2 + 2 KHSO4 + 4 NaHSO4 + 3 H2O
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