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3 Ca(H2PO4)2 + 8 NaHCO3 = Ca3(PO4)2 + 4 Na2HPO4 + 8 CO2 + 8 H2O
HI + F = HF + I2 =>
2 HI + 2 F = 2 HF + I2
Pb + KClO3 = PbClO3 + K =>
Pb + KClO3 = PbClO3 + K
Na + H2CO3 = NaHCO3 + H2 =>
2 Na + 2 H2CO3 = 2 NaHCO3 + H2
CH3COONa + HF = HNa + CH3COOF =>
CH3COONa + HF = HNa + CH3COOF
N2 + H3O = NH3 + O2 =>
N2 + 2 H3O = 2 NH3 + O2
Si + MnO2 = SiO + Mn =>
2 Si + MnO2 = 2 SiO + Mn
CuSO4 + NaSH = CuS + Na2SO4 + H2SO4 =>
2 CuSO4 + 2 NaSH = 2 CuS + Na2SO4 + H2SO4
Co + O2(g) = Co2O3 =>
4 Co + 3 O2(g) = 2 Co2O3
Hg + Au(CH3COO)3 = Au + Hg(CH3COO) =>
3 Hg + Au(CH3COO)3 = Au + 3 Hg(CH3COO)
CrO4 + Fe(OH)2 + H2O = CrO2 + Fe(OH)3 =>
CrO4 + 4 Fe(OH)2 + 2 H2O = CrO2 + 4 Fe(OH)3
P(s) + F2(g) = PF3(g) =>
2 P(s) + 3 F2(g) = 2 PF3(g)
AgCl + Na2S2O3 = Na3Ag(S2O3)2 + NaCl =>
AgCl + 2 Na2S2O3 = Na3Ag(S2O3)2 + NaCl
CrO3 + LiOH = LiCrO4 + H2 =>
2 CrO3 + 2 LiOH = 2 LiCrO4 + H2
Cu + H(NO3) = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 H(NO3) = 3 Cu(NO3)2 + 2 NO + 4 H2O
UO2(NO3)2 + HCl + Zn = UO2Cl2 + Zn(NO3)2 + H2 =>
UO2(NO3)2 + 2 HCl + Zn = UO2Cl2 + Zn(NO3)2 + H2
NaCl + Br = NaBr + Cl2 =>
2 NaCl + 2 Br = 2 NaBr + Cl2
P4 + KOH + H2O = PH3 + K3PO4 =>
2 P4 + 9 KOH + 3 H2O = 5 PH3 + 3 K3PO4
SO2(g) + Cl2(g) = SOCl2(g) + Cl2O(g) =>
SO2(g) + 2 Cl2(g) = SOCl2(g) + Cl2O(g)
SbH3 + O2 = Sb + H2O =>
4 SbH3 + 3 O2 = 4 Sb + 6 H2O
ZnCl2 + Mg(NO3)2 = Zn(NO3)2 + MgCl2 =>
ZnCl2 + Mg(NO3)2 = Zn(NO3)2 + MgCl2
CH2 + H2O = CO + H2 =>
CH2 + H2O = CO + 2 H2
CH2 + H2O = CH3OH =>
CH2 + H2O = CH3OH
SeO3 = SeO2 + O2 =>
2 SeO3 = 2 SeO2 + O2
FeCl3 + FeSO4 = Fe2(SO4)3 + FeCl2 =>
2 FeCl3 + 3 FeSO4 = Fe2(SO4)3 + 3 FeCl2
NaHCO3 + NaCl = Na2CO3 + HCl =>
NaHCO3 + NaCl = Na2CO3 + HCl
MgF2 + K3P = Mg3P2 + KF =>
3 MgF2 + 2 K3P = Mg3P2 + 6 KF
FeCl3 + H2SO4 + Zn = FeSO4 + ZnCl2 + HCl =>
2 FeCl3 + 2 H2SO4 + Zn = 2 FeSO4 + ZnCl2 + 4 HCl
Mg + Zn = Mg2Zn =>
2 Mg + Zn = Mg2Zn
CrO + SO3 = Cr(SO4) =>
CrO + SO3 = Cr(SO4)
Hg + Au(CH3COO)3 = Au + Hg(CH3COO) =>
3 Hg + Au(CH3COO)3 = Au + 3 Hg(CH3COO)
NaIO3 + KI + H2SO4 = I2 + Na2SO4 + K2SO4 + H2O =>
2 NaIO3 + 10 KI + 6 H2SO4 = 6 I2 + Na2SO4 + 5 K2SO4 + 6 H2O
NaClO3 + H2SO4 + CH3OH = ClO2 + NaHSO4 + CO2 + H2O =>
6 NaClO3 + 6 H2SO4 + CH3OH = 6 ClO2 + 6 NaHSO4 + CO2 + 5 H2O
C2H5OH + C3H6O = H2O + C9H20O2 =>
3 C2H5OH + C3H6O = 2 H2O + C9H20O2
AgNO3 + KClO3 = AgCl + KNO3 + O2 =>
2 AgNO3 + 2 KClO3 = 2 AgCl + 2 KNO3 + 3 O2
KClO3 + C = KCl + CO2 =>
2 KClO3 + 3 C = 2 KCl + 3 CO2
Mn + HBr = MnBr + H2 =>
2 Mn + 2 HBr = 2 MnBr + H2
Sn + KCl = SnKCl =>
Sn + KCl = SnKCl
CaCl2(aq) + NaHSO4(aq) = Ca(HSO4)2(aq) + NaCl(aq) =>
CaCl2(aq) + 2 NaHSO4(aq) = Ca(HSO4)2(aq) + 2 NaCl(aq)
K2S2O8 = K{+} + S2O8{2-} =>
K2S2O8 = 2 K{+} + S2O8{2-}
H2S(aq) + KOH = H2O(l) + K2S(aq) =>
H2S(aq) + 2 KOH = 2 H2O(l) + K2S(aq)
S2F2 = S8 + SF4 =>
16 S2F2 = 3 S8 + 8 SF4
CaH2 + H2O2 = Ca(OH)2 + H2 =>
CaH2 + H2O2 = Ca(OH)2 + H2
Si + MnO2 = MnSiO3 + Mn =>
2 Si + 3 MnO2 = 2 MnSiO3 + Mn
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(aq) + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(aq) + 2 KNO3(aq)
CoCl3 + Ca = Co + CaCl2 =>
2 CoCl3 + 3 Ca = 2 Co + 3 CaCl2
CH3COOH + O2(g) = CO2(g) + H2O(g) =>
CH3COOH + 2 O2(g) = 2 CO2(g) + 2 H2O(g)
Cr + F = CrF2 =>
Cr + 2 F = CrF2
Pb(CH3COO)2 + CaOCl2 + H2O = PbO2 + CaCl2 + CH3COOH =>
Pb(CH3COO)2 + CaOCl2 + H2O = PbO2 + CaCl2 + 2 CH3COOH
HBrO3(aq) + HBr(aq) = H2O(l) + Br2(aq) =>
HBrO3(aq) + 5 HBr(aq) = 3 H2O(l) + 3 Br2(aq)
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