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2 Al + 6 HCOOH = 2 Al(CHO2)3 + 3 H2
NaNO3 + CuO = NaNO2 + CuO2 =>
NaNO3 + CuO = NaNO2 + CuO2
Na5P3O10 + H2O = Na2HPO4 + NaH2PO4 =>
Na5P3O10 + 2 H2O = 2 Na2HPO4 + NaH2PO4
KOH + CIH = KH + CIOH =>
KOH + CIH = KH + CIOH
SFe + O2 = FeO + SO2 =>
2 SFe + 3 O2 = 2 FeO + 2 SO2
NaClO + C3H6O = CHCl3 + NaOH + CH3COONa =>
3 NaClO + C3H6O = CHCl3 + 2 NaOH + CH3COONa
AsH3 + H2O = H3AsO3 + H =>
AsH3 + 3 H2O = H3AsO3 + 6 H
Ca3(PO4)2 + SO2 + C = CaSO3 + CO + P4 =>
2 Ca3(PO4)2 + 6 SO2 + 10 C = 6 CaSO3 + 10 CO + P4
Co(OH)2 + NH3 = Co(NH3)4 + OH =>
Co(OH)2 + 4 NH3 = Co(NH3)4 + 2 OH
K + NiCl2 = Ni + KCl =>
2 K + NiCl2 = Ni + 2 KCl
AsH3 + O2 = AsO + H2O =>
4 AsH3 + 5 O2 = 4 AsO + 6 H2O
K2O + NO = K2NO2 =>
K2O + NO = K2NO2
Ca + HClO4 = Ca(ClO4)2 + CaCl2 + H2O =>
8 Ca + 16 HClO4 = 7 Ca(ClO4)2 + CaCl2 + 8 H2O
HClO3 + Na2SO3 = Na2SO4 + Cl2 + H2O =>
2 HClO3 + 5 Na2SO3 = 5 Na2SO4 + Cl2 + H2O
Ag + HNO3 + NaCl = AgCl + NaHNO3 =>
Ag + HNO3 + NaCl = AgCl + NaHNO3
FeS(aq) + O2(g) = Fe2O3(aq) + SO2 =>
4 FeS(aq) + 7 O2(g) = 2 Fe2O3(aq) + 4 SO2
Al2Mg3 + HCl = MgCl2 + Al + H2 =>
Al2Mg3 + 6 HCl = 3 MgCl2 + 2 Al + 3 H2
NiF3 = Ni + F =>
NiF3 = Ni + 3 F
LiOH + CuO = Li2CuO2 + H2O =>
2 LiOH + CuO = Li2CuO2 + H2O
AsH3 + O2 = As + H2O =>
4 AsH3 + 3 O2 = 4 As + 6 H2O
SO2 + Na2CO3 + O2 = Na2SO4 + CO2 =>
2 SO2 + 2 Na2CO3 + O2 = 2 Na2SO4 + 2 CO2
HCl(aq) + ZnS(aq) = H2S(g) + ZnCl2 =>
2 HCl(aq) + ZnS(aq) = H2S(g) + ZnCl2
NH3 + HF = NH4 + F =>
NH3 + HF = NH4 + F
CuCO3 + NH3 = Cu(NH3) + CO3 =>
CuCO3 + NH3 = Cu(NH3) + CO3
HCl(aq) + PbCO3(s) = PbCl2(aq) + H2O(l) + CO2(g) =>
2 HCl(aq) + PbCO3(s) = PbCl2(aq) + H2O(l) + CO2(g)
C2H5I + KOH = C2H5OH + KI =>
C2H5I + KOH = C2H5OH + KI
FeCl3(aq) + Zn(s) = Fe(s) + ZnCl2(aq) =>
2 FeCl3(aq) + 3 Zn(s) = 2 Fe(s) + 3 ZnCl2(aq)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CH3COOH + KOH = CH3COOK + H2O =>
CH3COOH + KOH = CH3COOK + H2O
PbO2 + Ca(OH)2 = CaPbO3 + H2O =>
PbO2 + Ca(OH)2 = CaPbO3 + H2O
NiCO3 + Mg(NO3)2 = Ni(NO3)2 + MgCO3 =>
NiCO3 + Mg(NO3)2 = Ni(NO3)2 + MgCO3
Ca(NO3)2 + HBr = CaBr2 + NHO3 =>
Ca(NO3)2 + 2 HBr = CaBr2 + 2 NHO3
C3H7OH + Cr2O7{-2} + H{+} = C3H6O + Cr{+3} + H2O =>
3 C3H7OH + Cr2O7{-2} + 8 H{+} = 3 C3H6O + 2 Cr{+3} + 7 H2O
K2[Co(CNS)4] + KCl + H2O = [Co(H2O)6]Cl2 + KCNS =>
K2[Co(CNS)4] + 2 KCl + 6 H2O = [Co(H2O)6]Cl2 + 4 KCNS
B + O = B2O3 =>
2 B + 3 O = B2O3
H3AsO4 + Ca(OH)2 = Ca3(AsO4)2 + H2O =>
2 H3AsO4 + 3 Ca(OH)2 = Ca3(AsO4)2 + 6 H2O
Pb + KClO3 = Pb(ClO3) + K =>
Pb + KClO3 = Pb(ClO3) + K
Mg + PbSO4 = MgSO4 + Pb =>
Mg + PbSO4 = MgSO4 + Pb
CH3COONa + HClO4 = CH3COOH + NaClO4 =>
CH3COONa + HClO4 = CH3COOH + NaClO4
TiO2 + LiOH = Li4Ti5O12 + H2O =>
5 TiO2 + 4 LiOH = Li4Ti5O12 + 2 H2O
AlBr3 + AgClO3 = Al(ClO3)3 + AgBr =>
AlBr3 + 3 AgClO3 = Al(ClO3)3 + 3 AgBr
Hg(NO3)2(s) = HgO(s) + NO2(g) + O(g) =>
Hg(NO3)2(s) = HgO(s) + 2 NO2(g) + O(g)
AsH3 + O2 = AsO + H2O =>
4 AsH3 + 5 O2 = 4 AsO + 6 H2O
PbO2 + H = PbO + H2O =>
PbO2 + 2 H = PbO + H2O
K2Cr2O7 + H2SO4 + KI = Cr2(SO4)3 + K2SO4 + H2O + I2 =>
K2Cr2O7 + 7 H2SO4 + 6 KI = Cr2(SO4)3 + 4 K2SO4 + 7 H2O + 3 I2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cl2(g) + OH{-}(aq) = ClO3{-}(aq) + Cl{-}(aq) + H2O(l) =>
3 Cl2(g) + 6 OH{-}(aq) = ClO3{-}(aq) + 5 Cl{-}(aq) + 3 H2O(l)
HSO4{-} + H2O = H3O{+} + SO4{2-} =>
HSO4{-} + H2O = H3O{+} + SO4{2-}
HClO + Ni(OH)2 = Ni(ClO)2 + HOH =>
2 HClO + Ni(OH)2 = Ni(ClO)2 + 2 HOH
AsH + AgNO3 + H2O = H3AsO3 + HNO3 + Ag =>
AsH + 4 AgNO3 + 3 H2O = H3AsO3 + 4 HNO3 + 4 Ag
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