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NaNO2 + 3 Zn + 5 NaOH + 5 H2O = 3 Na2[Zn(OH)4] + NH3
SO4 + C = CO2 + S =>
SO4 + 2 C = 2 CO2 + S
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
PH3 + O2 = H3PO3 =>
2 PH3 + 3 O2 = 2 H3PO3
CH2 = C + H =>
CH2 = C + 2 H
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cr2(SO4)3 + H2O = Cr(OH)SO4 + H2SO4 =>
Cr2(SO4)3 + 2 H2O = 2 Cr(OH)SO4 + H2SO4
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cu + Pt(NO3)3 = Cu(NO3)2 + Pt =>
3 Cu + 2 Pt(NO3)3 = 3 Cu(NO3)2 + 2 Pt
Ba(NO3)2 + NaCO3 = Ba(CO3)2 + NaNO3 =>
Ba(NO3)2 + 2 NaCO3 = Ba(CO3)2 + 2 NaNO3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
NH3 + H2O = NH2{-} + H3O{+} =>
NH3 + H2O = NH2{-} + H3O{+}
Cr(OH)2 + O2 = Cr2O3 + H2O =>
4 Cr(OH)2 + O2 = 2 Cr2O3 + 4 H2O
Fe + Cr2O7 + H = FeCr + H2O =>
2 Fe + Cr2O7 + 14 H = 2 FeCr + 7 H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
CO32 + H = CO2 + H2O =>
CO32 + 60 H = CO2 + 30 H2O
SO2 + HNO3 + H2O = NO + H2SO4 =>
3 SO2 + 2 HNO3 + 2 H2O = 2 NO + 3 H2SO4
CH2(OH) + O2 = CO2 + H2O =>
4 CH2(OH) + 5 O2 = 4 CO2 + 6 H2O
Fe2 + H2O = Fe2(OH)3 + H2 =>
2 Fe2 + 6 H2O = 2 Fe2(OH)3 + 3 H2
MgCO3 + H2SO4 = MgSO4 + (H2O)7 + CO2 =>
7 MgCO3 + 7 H2SO4 = 7 MgSO4 + (H2O)7 + 7 CO2
C + O2 = CO2 =>
C + O2 = CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CaO + SnI4 = Sn2O4 + CaI2 =>
4 CaO + 2 SnI4 = Sn2O4 + 4 CaI2
N2O4 = NO2 =>
N2O4 = 2 NO2
NiO + H{+} = Ni{2+} + H2O =>
NiO + 2 H{+} = Ni{2+} + H2O
AsH3 + AgNO3 + H2O = H3AsO3 + Ag + HNO3 =>
AsH3 + 6 AgNO3 + 3 H2O = H3AsO3 + 6 Ag + 6 HNO3
CaCl2*H2O + Na2CO3 = NaCl + CaCO3 + H2O =>
CaCl2*H2O + Na2CO3 = 2 NaCl + CaCO3 + H2O
Na2S(aq) + FeCl2 = NaCl(aq) + FeS(s) =>
Na2S(aq) + FeCl2 = 2 NaCl(aq) + FeS(s)
Zn2(CO3)2 + HCl = ZnCl2 + H2O + CO2 =>
Zn2(CO3)2 + 4 HCl = 2 ZnCl2 + 2 H2O + 2 CO2
CaC2(s) + H2O = C2H2(g) + Ca(OH)2(aq) =>
CaC2(s) + 2 H2O = C2H2(g) + Ca(OH)2(aq)
Co + F2 = CoF3 =>
2 Co + 3 F2 = 2 CoF3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C3H8O2S + O2 = CO2 + H2O + SO3 =>
2 C3H8O2S + 11 O2 = 6 CO2 + 8 H2O + 2 SO3
CH2Br2 + HBr = CH4 + Br2 =>
CH2Br2 + 2 HBr = CH4 + 2 Br2
H3PO4 + Ag = AgH3 + PO4 =>
H3PO4 + Ag = AgH3 + PO4
K + O2 = K2O =>
4 K + O2 = 2 K2O
(NH4)2SO4 + CuCl2 = (NH4)Cl + CuSO4 =>
(NH4)2SO4 + CuCl2 = 2(NH4)Cl + CuSO4
Ca(H2PO4)2 + Mg(OH)2 = CaMgP2O7 + H2O =>
Ca(H2PO4)2 + Mg(OH)2 = CaMgP2O7 + 3 H2O
FeS + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS + 10 H2SO4 = Fe2(SO4)3 + 10 H2O + 9 SO2
Ba + CaCl2 = BaCl2 + Ca =>
Ba + CaCl2 = BaCl2 + Ca
Ag(OH) + HClO3 = AgClO3 + H2O =>
Ag(OH) + HClO3 = AgClO3 + H2O
C2H5OH + CUO = C3COOH + CU + H2O =>
4 C2H5OH + 11 CUO = 2 C3COOH + 11 CU + 11 H2O
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
Al + H2O + HO{-} = AlO2{-} + H2 =>
2 Al + 2 H2O + 2 HO{-} = 2 AlO2{-} + 3 H2
Ba(oh)2 + H2SO4 = BaSO4 + H2 =>
Ba(oh)2 + 2 H2SO4 = 2 BaSO4 + 2 H2
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