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2 Co + 3 H2O = Co2O3 + 3 H2
Mn2O7 + H2O = HMnO4 =>
Mn2O7 + H2O = 2 HMnO4
Na2SO4 + Ba(OH)2 = Ba(SO4) + NaOH =>
Na2SO4 + Ba(OH)2 = Ba(SO4) + 2 NaOH
Hg(NO3)2 + H2S = HgS + HNO3 =>
Hg(NO3)2 + H2S = HgS + 2 HNO3
Pb(CH3COO)2(aq) + K2CrO4(aq) = PbCrO4(s) + KCH3COO(aq) =>
Pb(CH3COO)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KCH3COO(aq)
Cu + MnO4{-} = Cu{+} + MnO4{2-} =>
Cu + MnO4{-} = Cu{+} + MnO4{2-}
BaCl2 + Fe(NO3)2 = Ba(NO3)2 + FeCl2 =>
BaCl2 + Fe(NO3)2 = Ba(NO3)2 + FeCl2
CaO + CO3 = CaC2 + O2 =>
2 CaO + 4 CO3 = 2 CaC2 + 7 O2
BaCO3 + H3Po4 = Ba3(Po4)2 + CO2 + H2O =>
3 BaCO3 + 2 H3Po4 = Ba3(Po4)2 + 3 CO2 + 3 H2O
NaCO3*HCl = NaCl + HCO3 =>
NaCO3*HCl = NaCl + HCO3
KClO4 + H2SO4 = K2SO4 + HCl + O2 =>
2 KClO4 + H2SO4 = K2SO4 + 2 HCl + 4 O2
CH3MgI + SiCl4 = CH3Si + MgICl4 =>
CH3MgI + SiCl4 = CH3Si + MgICl4
As2(SO4)3 + Ca(OH)2 = As(OH)3 + CaSO4 =>
As2(SO4)3 + 3 Ca(OH)2 = 2 As(OH)3 + 3 CaSO4
Ag + HBrO3 = AgBrO3 + BrO + H2O =>
3 Ag + 4 HBrO3 = 3 AgBrO3 + BrO + 2 H2O
H2O + P4 + HOCl = H3PO4 + Cl{-} + H{+} =>
6 H2O + P4 + 10 HOCl = 4 H3PO4 + 10 Cl{-} + 10 H{+}
Ag + CuSO4 = Cu + Ag(SO4) =>
Ag + CuSO4 = Cu + Ag(SO4)
NaHCO3 + H2O = NaH3 + CO4 =>
NaHCO3 + H2O = NaH3 + CO4
Al + HOH = Al2OH + H =>
2 Al + HOH = Al2OH + H
Ba + P = Ba2P =>
2 Ba + P = Ba2P
(COOH)2 = HCOOH + CO2 =>
(COOH)2 = HCOOH + CO2
Al4 + O2 = Al2O4 =>
Al4 + 4 O2 = 2 Al2O4
CaPO4 + CH3COOH = Ca(CH3COO)2 + H2PO4 =>
CaPO4 + 2 CH3COOH = Ca(CH3COO)2 + H2PO4
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
KNO3 + (CH2)6N4 = N2 + CO2 + H2O + K2O =>
36 KNO3 + 5(CH2)6N4 = 28 N2 + 30 CO2 + 30 H2O + 18 K2O
SiO2 + H2O = H2SiO3 =>
SiO2 + H2O = H2SiO3
Cu + H2SO4 = Cu2SO4 + SO2 + H2O =>
2 Cu + 2 H2SO4 = Cu2SO4 + SO2 + 2 H2O
KClO4 + H2SO4 = HClO4 + KHSO4 =>
KClO4 + H2SO4 = HClO4 + KHSO4
H2O + P4 + HOCl = H3PO4 + HCl =>
6 H2O + P4 + 10 HOCl = 4 H3PO4 + 10 HCl
Nb2O3 + NO2 + O2 = Nb(NO3)5 =>
2 Nb2O3 + 20 NO2 + 7 O2 = 4 Nb(NO3)5
Ba(OH)2 + NH4C2H3O2 = Ba(NH4)2 + OHC2H3O2 =>
Ba(OH)2 + 2 NH4C2H3O2 = Ba(NH4)2 + 2 OHC2H3O2
Al5 + O2 = Al2O3 =>
4 Al5 + 15 O2 = 10 Al2O3
Cu(Cl)2 + NaOH = Cu(OH)2 + NaCl =>
Cu(Cl)2 + 2 NaOH = Cu(OH)2 + 2 NaCl
C6H5CHCHC2H5 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
35 C6H5CHCHC2H5 + 64 KMnO4 + 96 H2SO4 = 50 C6H5COOH + 64 MnSO4 + 32 K2SO4 + 156 H2O
Na2S2O3 + KClO3 + H2O = Na2S4O6 + KCl + NaOH =>
6 Na2S2O3 + KClO3 + 3 H2O = 3 Na2S4O6 + KCl + 6 NaOH
KCl + Ca(OH)2 = KOH + CaCl2 =>
2 KCl + Ca(OH)2 = 2 KOH + CaCl2
Pb3P2 + (NH4)2SO4 = PbSO4 + (NH4)3P =>
Pb3P2 + 3(NH4)2SO4 = 3 PbSO4 + 2(NH4)3P
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
BaCl + (NaSO4)2 = NaCl + (BaSO4)2 =>
2 BaCl + (NaSO4)2 = 2 NaCl + (BaSO4)2
Mg + SO4 = Mg2SO4 =>
2 Mg + SO4 = Mg2SO4
CaO + CO3 = CaC2 + O2 =>
2 CaO + 4 CO3 = 2 CaC2 + 7 O2
Na2SO4 + (HNO3) = NaNO3 + H2SO4 =>
Na2SO4 + 2(HNO3) = 2 NaNO3 + H2SO4
CH4 = C2H2 + H2 =>
2 CH4 = C2H2 + 3 H2
K2SO4 + Br(NO3)2 = BrSO4 + KNO3 =>
K2SO4 + Br(NO3)2 = BrSO4 + 2 KNO3
P4 + HOCl + H2O = H3PO4 + Cl{-} + H3O{+} =>
P4 + 10 HOCl + 16 H2O = 4 H3PO4 + 10 Cl{-} + 10 H3O{+}
NH4 = NH3 + H2 =>
2 NH4 = 2 NH3 + H2
CuH2 + HCl = CuCl + H =>
CuH2 + HCl = CuCl + 3 H
Mn{2}{+} + Fe{3}{+} + H2O = MnO4{-+H{+}+Fe{2}{+} =>
Mn{2}{+} + 5 Fe{3}{+} + 4 H2O = MnO4{-+8H{+}+5Fe{2}{+}
CaCl2 + RbBr = CaBr2 + RbCl =>
CaCl2 + 2 RbBr = CaBr2 + 2 RbCl
Al + CaCl = Ca + Al2Cl3 =>
2 Al + 3 CaCl = 3 Ca + Al2Cl3
Na2CO3 + HCl = NaHCO3 + NaCl = NaCl + CO2 + H2O =>
Na2CO3 + HCl = NaHCO3 + NaCl
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