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3 Ca + N2 = Ca3N2
Cl2 + Ca3P2 + H2O = CaCl2 + H3PO4 + HCl =>
8 Cl2 + Ca3P2 + 8 H2O = 3 CaCl2 + 2 H3PO4 + 10 HCl
CaCl2(aq) + Na3PO4(aq) = Ca3(PO4)2 + NaCl(aq) =>
3 CaCl2(aq) + 2 Na3PO4(aq) = Ca3(PO4)2 + 6 NaCl(aq)
P2O5(s) + C(s) = CO(g) + P(s) =>
P2O5(s) + 5 C(s) = 5 CO(g) + 2 P(s)
Ta + HF + HNO3 = H3TaF8 + NO2 + H2O =>
Ta + 8 HF + 5 HNO3 = H3TaF8 + 5 NO2 + 5 H2O
Fe + Cu2S = FeS + Cu2 =>
Fe + Cu2S = FeS + Cu2
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
FeI2 + H2SO4 = Fe2(SO4)3 + SO2 + I2 + H2O =>
2 FeI2 + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 2 I2 + 6 H2O
Y(NO3)3 + C2H5NO2 = Y2O3 + CO2 + H2O + N2 =>
6 Y(NO3)3 + 10 C2H5NO2 = 3 Y2O3 + 20 CO2 + 25 H2O + 14 N2
CU(OH)2 + KNO3 = CU(NO3)2 + KOH =>
CU(OH)2 + 2 KNO3 = CU(NO3)2 + 2 KOH
CH2O + H2O = CO2 + H2 =>
CH2O + H2O = CO2 + 2 H2
Sr(OH)2 + K2SO4 = SrSO4 + KOH =>
Sr(OH)2 + K2SO4 = SrSO4 + 2 KOH
HClO3 + CaO = CaHCl + O2 =>
HClO3 + CaO = CaHCl + 2 O2
Pb2N + KI = Pb2I + KN =>
Pb2N + KI = Pb2I + KN
Fe(s) + H2SO4(l) = Fe2(SO4)3(s) + H2(g) =>
2 Fe(s) + 3 H2SO4(l) = Fe2(SO4)3(s) + 3 H2(g)
Co(NO3)2 + Na3PO4 = CoPO4 + Na3(NO3)2 =>
Co(NO3)2 + Na3PO4 = CoPO4 + Na3(NO3)2
Ca + Ag3PO4 = CaPO4 + Ag =>
Ca + Ag3PO4 = CaPO4 + 3 Ag
C5H11N + O2 = CO2 + H2O + NO2 =>
4 C5H11N + 35 O2 = 20 CO2 + 22 H2O + 4 NO2
Na(HCO3) + CH3COOH = Na(C2H3O2) + H2O + CO2 =>
Na(HCO3) + CH3COOH = Na(C2H3O2) + H2O + CO2
KMnO4 + HCl + CH3OH = MnCl2 + HCHO2 + KCl + H2O =>
4 KMnO4 + 12 HCl + 5 CH3OH = 4 MnCl2 + 5 HCHO2 + 4 KCl + 11 H2O
MnF7 + H2O = Mn(OH)7 + HF =>
MnF7 + 7 H2O = Mn(OH)7 + 7 HF
PCl5(s) = PCl3(g) + Cl2(g) =>
PCl5(s) = PCl3(g) + Cl2(g)
NaOH + H2O + Al = H2 + Na(Al(OH)4) =>
2 NaOH + 6 H2O + 2 Al = 3 H2 + 2 Na(Al(OH)4)
Nh4 + HCl = Nh4Cl + H2 =>
2 Nh4 + 2 HCl = 2 Nh4Cl + H2
AgNO3 + Na2HPO4 = Ag3PO4 + NaNO3 + H3PO4 =>
6 AgNO3 + 3 Na2HPO4 = 2 Ag3PO4 + 6 NaNO3 + H3PO4
Ti + HNO3 + H2O = TiO(OH)2 + NO =>
3 Ti + 4 HNO3 + H2O = 3 TiO(OH)2 + 4 NO
Fe{3+} + Br{-} = Fe + Br =>
Fe{3+} + 3 Br{-} = Fe + 3 Br
PbBr2 + H2O = Pb(OH)Br + HBr =>
PbBr2 + H2O = Pb(OH)Br + HBr
CoSO4 + KOH = Co(OH)2 + K2SO4 =>
CoSO4 + 2 KOH = Co(OH)2 + K2SO4
HS + O = H2O + SO =>
2 HS + 3 O = H2O + 2 SO
Cr2(SO4)3 + Na2S + H2O = Cr(OH)3 + Na2SO4 + H2S =>
Cr2(SO4)3 + 3 Na2S + 6 H2O = 2 Cr(OH)3 + 3 Na2SO4 + 3 H2S
C2Cl4 + O2 = CO + Cl2 =>
C2Cl4 + O2 = 2 CO + 2 Cl2
Ca(HCO3)2 + CaCl2 = CaCO3 + Cl2 + H2 =>
Ca(HCO3)2 + CaCl2 = 2 CaCO3 + Cl2 + H2
Br2O + H2O = BrOH =>
Br2O + H2O = 2 BrOH
Co(OH)3 + H2CO3 = Co2(CO3)3 + H2O =>
2 Co(OH)3 + 3 H2CO3 = Co2(CO3)3 + 6 H2O
glucose + CuSO4*5H2O + NaOH = C6H12O7Na + Cu2O + Na2SO4 + H2O =>
2 C6H12O6 + 2 CuSO4*5H2O + 6 NaOH = 2 C6H12O7Na + Cu2O + 2 Na2SO4 + 13 H2O
Ag + CuCl2 = AgCl + Cu =>
2 Ag + CuCl2 = 2 AgCl + Cu
Sn(NO3)4 + (NH4)2S = SnS2 + NH4NO3 =>
Sn(NO3)4 + 2(NH4)2S = SnS2 + 4 NH4NO3
LiMnO4 + NaBr + H2SO4 = MnSO4 + Na2SO4 + LiSO4 + Br2 + H2O =>
LiMnO4 + 4 NaBr + 4 H2SO4 = MnSO4 + 2 Na2SO4 + LiSO4 + 2 Br2 + 4 H2O
NH3(aq) + HCl(aq) = NH4Cl(aq) =>
NH3(aq) + HCl(aq) = NH4Cl(aq)
BaCl + KBr = KCl + BaBr =>
BaCl + KBr = KCl + BaBr
SrCl2*6H2O + CuSO4*5H2O = SrSO4 + CuCl2 + H2O =>
SrCl2*6H2O + CuSO4*5H2O = SrSO4 + CuCl2 + 11 H2O
TbF3 + Ca = CaF2 + Tb =>
2 TbF3 + 3 Ca = 3 CaF2 + 2 Tb
K2SO4 + Al = K2S + Al2O3 =>
3 K2SO4 + 8 Al = 3 K2S + 4 Al2O3
Co2(SO4)3 + NaOH = Co(OH)3 + Na2SO4 =>
Co2(SO4)3 + 6 NaOH = 2 Co(OH)3 + 3 Na2SO4
C6H5Cl + NH3 = C6H5NH2 + HCl =>
C6H5Cl + NH3 = C6H5NH2 + HCl
SrO + HCl = SrCl2 + H2O =>
SrO + 2 HCl = SrCl2 + H2O
FeSO4 + HBr = FeBr2 + H2SO4 =>
FeSO4 + 2 HBr = FeBr2 + H2SO4
NaClO + Na2S2O3 + H2O = NaCl + NaOH + Na2S4O6 =>
NaClO + 2 Na2S2O3 + H2O = NaCl + 2 NaOH + Na2S4O6
NaCO3 + CO2 = NaCO2 + CO3 =>
NaCO3 + CO2 = NaCO2 + CO3
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