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CuS + FeCl2 = FeS + CuCl2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mn + HOH = MnH2O =>
Mn + HOH = MnH2O
CrO + N2O3 = Cr(NO2)2 =>
CrO + N2O3 = Cr(NO2)2
CO2 + NH3 + H2O = (NH4)HCO3 =>
CO2 + NH3 + H2O = (NH4)HCO3
NaFeO2 + O2 = NaFeO4 =>
NaFeO2 + O2 = NaFeO4
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
Cl2 + NH4OH = NH4Cl + H2O + N2 =>
3 Cl2 + 8 NH4OH = 6 NH4Cl + 8 H2O + N2
Ba + HNO3 = Ba(NO3)2 + NO + H2O =>
3 Ba + 8 HNO3 = 3 Ba(NO3)2 + 2 NO + 4 H2O
NaClO2 + As + NaOH = Na3AsO4 + NaCl + H2O =>
5 NaClO2 + 4 As + 12 NaOH = 4 Na3AsO4 + 5 NaCl + 6 H2O
(CuOH)2SO4 = Cu(OH)2 + CuSO4 =>
(CuOH)2SO4 = Cu(OH)2 + CuSO4
FeBr3 + CaO = Fe2O3 + CaBr2 =>
2 FeBr3 + 3 CaO = Fe2O3 + 3 CaBr2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Na3PO4 + HgNO3 = Hg3PO4 + NaNO3 =>
Na3PO4 + 3 HgNO3 = Hg3PO4 + 3 NaNO3
MgCl2 + Na3PO4 = Mg3(PO4)2 + NaCl =>
3 MgCl2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaCl
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
Ba + HNO3 = Ba(NO3)2 + N2 + H2O =>
5 Ba + 12 HNO3 = 5 Ba(NO3)2 + N2 + 6 H2O
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + NaCl(aq) =>
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaCl(aq)
Cl2O5 + Zn(OH)2 = Zn(ClO3)2 + H2O =>
Cl2O5 + Zn(OH)2 = Zn(ClO3)2 + H2O
K2S + HBr = KBr + H2S =>
K2S + 2 HBr = 2 KBr + H2S
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
Te + I2 = TeI3 =>
2 Te + 3 I2 = 2 TeI3
Cl{-} + [Ag(NH3)2]{+} + HNO3 = AgCl + NH4NO3 =>
Cl{-} + [Ag(NH3)2]{+} + 2 HNO3 = AgCl + 2 NH4NO3
K3N + P = K3P + N2 =>
2 K3N + 2 P = 2 K3P + N2
N2 + HNO3 = NO2 + H2O =>
N2 + 8 HNO3 = 10 NO2 + 4 H2O
NH4Cl + CaO(s) = NH3 + H2O + CaCl2 =>
2 NH4Cl + CaO(s) = 2 NH3 + H2O + CaCl2
Ba + HNO3 = Ba(NO3)2 + N2O + H2O =>
4 Ba + 10 HNO3 = 4 Ba(NO3)2 + N2O + 5 H2O
Al(NO3)3 + (NH4)3PO4 = AlPO4 + NH4NO3 =>
Al(NO3)3 + (NH4)3PO4 = AlPO4 + 3 NH4NO3
C4H8N2O + O2 = CO2 + H2O + CH4N2O =>
C4H8N2O + 4 O2 = 3 CO2 + 2 H2O + CH4N2O
AgCl + (NH4)2S = Ag2S + NH3 + HCl =>
2 AgCl + (NH4)2S = Ag2S + 2 NH3 + 2 HCl
Mn(OH)6 + H2SO4 = Mn(SO4)3 + H2O =>
Mn(OH)6 + 3 H2SO4 = Mn(SO4)3 + 6 H2O
NaOH + CuSO4 + CH3CH2OH = CH3COONa + Cu2O + H2O + Na2SO4 =>
9 NaOH + 4 CuSO4 + CH3CH2OH = CH3COONa + 2 Cu2O + 6 H2O + 4 Na2SO4
Ba + HNO3 = Ba(NO3)2 + H2O + NO2 =>
Ba + 4 HNO3 = Ba(NO3)2 + 2 H2O + 2 NO2
NO2 + NaOH = H2O + NaNO2 + NaNO3 =>
2 NO2 + 2 NaOH = H2O + NaNO2 + NaNO3
Hg2(NO3)2 + AlCl3 = Hg2Cl2 + Al(NO3)3 =>
3 Hg2(NO3)2 + 2 AlCl3 = 3 Hg2Cl2 + 2 Al(NO3)3
Ba + HNO3 = Ba(NO3)2 + NO + H2O =>
3 Ba + 8 HNO3 = 3 Ba(NO3)2 + 2 NO + 4 H2O
[Fe(H2O)4(OH)2] + O2 = [Fe(H2O)3(OH)3] + H2O =>
4[Fe(H2O)4(OH)2] + O2 = 4[Fe(H2O)3(OH)3] + 2 H2O
H3FeO3 + HCl = H2O + FeCl3 =>
H3FeO3 + 3 HCl = 3 H2O + FeCl3
C8H9NO2 + K2CO3 + C4H9I = C12H17NO2 + KI + KHCO3 =>
C8H9NO2 + K2CO3 + C4H9I = C12H17NO2 + KI + KHCO3
NH2Cl + N2H4 = NH4Cl + N2 =>
2 NH2Cl + N2H4 = 2 NH4Cl + N2
AgNO3 + Cr(C2H3O2)3 = Ag(C2H3O2) + Cr(NO3)3 =>
3 AgNO3 + Cr(C2H3O2)3 = 3 Ag(C2H3O2) + Cr(NO3)3
CO2 + H2O = C2H4O4 + O2 =>
2 CO2 + 2 H2O = C2H4O4 + O2
Fe + C12H22O11 + H2O2 = FeCO2 + H2O =>
12 Fe + C12H22O11 + 24 H2O2 = 12 FeCO2 + 35 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
KHC8H4O + Ca(OH)2 = Ca(HC8H4O)2 + KOH =>
2 KHC8H4O + Ca(OH)2 = Ca(HC8H4O)2 + 2 KOH
Cl{-} + H2O = ClO3{-} + H{+} + e =>
Cl{-} + 3 H2O = ClO3{-} + 6 H{+} + 6e
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
Fe2(CO3)3(s) = Fe2O3(s) + CO2(g) =>
Fe2(CO3)3(s) = Fe2O3(s) + 3 CO2(g)
Mg + HCOOH = (HCOO)2Mg + H2 =>
Mg + 2 HCOOH = (HCOO)2Mg + H2
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