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CaCO3 + FeCl2 = CaCl2 + FeCO3
(NH4)2SO4 + Ba(OH)2 = BaSO4 + NH3 + H2O =>
(NH4)2SO4 + Ba(OH)2 = BaSO4 + 2 NH3 + 2 H2O
CH2O2 + O3 = CO2 + H2O =>
3 CH2O2 + O3 = 3 CO2 + 3 H2O
Ca + CuSO4 = CaSO4Cu =>
Ca + CuSO4 = CaSO4Cu
CH3OH + Ag2O = CH3COOH + Ag + H2O =>
2 CH3OH + 2 Ag2O = CH3COOH + 4 Ag + 2 H2O
Al + KNO3 + NaOH + H2O = Na3[Al(OH)6] + K3[Al(OH)6] + NH3 =>
8 Al + 3 KNO3 + 21 NaOH + 18 H2O = 7 Na3[Al(OH)6] + K3[Al(OH)6] + 3 NH3
Na2SnS3 + H2SO4 = H2S + SnS2 + Na2SO4 =>
Na2SnS3 + H2SO4 = H2S + SnS2 + Na2SO4
Na = (Na2)2 =>
4 Na = (Na2)2
HgNO3 = HgO + N4O2 + O2 =>
4 HgNO3 = 4 HgO + N4O2 + 3 O2
Al(OH)3 + Hf(OH)4 + H2SO4 = Al2Hf(SO4)5 + H2O =>
2 Al(OH)3 + Hf(OH)4 + 5 H2SO4 = Al2Hf(SO4)5 + 10 H2O
Fe3(Fe(CN)6)2 + HNO3 = Fe(NO3)2 + Fe(NO3)3 + HCN =>
Fe3(Fe(CN)6)2 + 12 HNO3 = 3 Fe(NO3)2 + 2 Fe(NO3)3 + 12 HCN
K4Fe(CN)6 + FeSO4 = K2SO4 + Fe(CN)2 =>
K4Fe(CN)6 + 2 FeSO4 = 2 K2SO4 + 3 Fe(CN)2
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
C2H4 + I2 = C2H4I2 =>
C2H4 + I2 = C2H4I2
BaCl2 + K2Cr2O7 + CH3COONa + H2O = BaCrO4 + KCl + Na2CrO4 + CH3COOH =>
BaCl2 + K2Cr2O7 + 2 CH3COONa + H2O = BaCrO4 + 2 KCl + Na2CrO4 + 2 CH3COOH
H2YO4 + NaOH = NaY + H2O + O2 =>
4 H2YO4 + 4 NaOH = 4 NaY + 6 H2O + 7 O2
K2CrO7 + HCl = CrCl + KCl + Cl + H2O =>
K2CrO7 + 14 HCl = CrCl + 2 KCl + 11 Cl + 7 H2O
CrI3 + Cl2 + KOH = K2Cr2O7 + KCl + KIO3 + H2O =>
2 CrI3 + 21 Cl2 + 50 KOH = K2Cr2O7 + 42 KCl + 6 KIO3 + 25 H2O
ZnSO4 + K3(Fe(CN)6) = Zn3(Fe(CN)6)2 + K2SO4 =>
3 ZnSO4 + 2 K3(Fe(CN)6) = Zn3(Fe(CN)6)2 + 3 K2SO4
Fe(NO3)2(aq) + NaOH(aq) = Fe(OH)2 + NaNO3 =>
Fe(NO3)2(aq) + 2 NaOH(aq) = Fe(OH)2 + 2 NaNO3
K2SO3 + H2 = H2SO3 + K =>
K2SO3 + H2 = H2SO3 + 2 K
Pb + Na + C2H5Cl = Pb(C2H5)4 + NaCl =>
Pb + 4 Na + 4 C2H5Cl = Pb(C2H5)4 + 4 NaCl
HPO + Zn + HS = H2O + PH3 + ZnS =>
HPO + 4 Zn + 4 HS = H2O + PH3 + 4 ZnS
C2H5(OH)3 + O2 = CO2 + H2O =>
2 C2H5(OH)3 + 5 O2 = 4 CO2 + 8 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
K2SO4(aq) + CaCl2(aq) = KCl(aq) + CaSO4(aq) =>
K2SO4(aq) + CaCl2(aq) = 2 KCl(aq) + CaSO4(aq)
Ca3(PO4)2 + H2SO4 = Ca3(SO4)3 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = Ca3(SO4)3 + 2 H3PO4
Co + NBa = BaCoN =>
Co + NBa = BaCoN
P + H2 = PH3 =>
2 P + 3 H2 = 2 PH3
C2H5OBr + Na(OH) = C2H4O + NaBr + H2O =>
C2H5OBr + Na(OH) = C2H4O + NaBr + H2O
H3PO3 + Zn + H2SO4 = PH3 + ZnSO4 + H2O =>
H3PO3 + 3 Zn + 3 H2SO4 = PH3 + 3 ZnSO4 + 3 H2O
Na2SO4 + Sr(ClO3)2 = Na2(ClO3)2 + SrSO4 =>
Na2SO4 + Sr(ClO3)2 = Na2(ClO3)2 + SrSO4
C(aq) + H2O(aq) = CH4(aq) + CO2(aq) =>
2 C(aq) + 2 H2O(aq) = CH4(aq) + CO2(aq)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeO + O2 = Fe3O4 =>
6 FeO + O2 = 2 Fe3O4
NaClO2 + HCl = ClO2 + H2O + NaCl =>
5 NaClO2 + 4 HCl = 4 ClO2 + 2 H2O + 5 NaCl
Co(NO3)2 + Al2O3 = Al2(NO3)2 + CoO3 =>
Co(NO3)2 + Al2O3 = Al2(NO3)2 + CoO3
KNO3 + KI + H2SO4 = HIO3 + NO + K2SO4 + H2 =>
6 KNO3 + 4 KI + 5 H2SO4 = 4 HIO3 + 6 NO + 5 K2SO4 + 3 H2
NH4OH + I = NH4I + OH =>
NH4OH + I = NH4I + OH
FeCl2 + NiI = FeI2 + NiCl =>
FeCl2 + 2 NiI = FeI2 + 2 NiCl
(NH4)2SO4 + AlCl3 = Al2(SO4)3 + NH4Cl =>
3(NH4)2SO4 + 2 AlCl3 = Al2(SO4)3 + 6 NH4Cl
Zn(CIO3)2 = Zn2 + CIO3 =>
2 Zn(CIO3)2 = Zn2 + 4 CIO3
CS2 + O2 = CO2 + S24 =>
12 CS2 + 12 O2 = 12 CO2 + S24
Fe(SO4) + H3PO4 = H2SO4 + Fe3(PO4)2 =>
3 Fe(SO4) + 2 H3PO4 = 3 H2SO4 + Fe3(PO4)2
H2O2 + NaNO3 = NaNO4 + H2O =>
H2O2 + NaNO3 = NaNO4 + H2O
HNO2 + Mn7 = Mn7NO2 + H2 =>
2 HNO2 + 2 Mn7 = 2 Mn7NO2 + H2
H2S + Ca = Ca2S + H2 =>
H2S + 2 Ca = Ca2S + H2
MnO2 + HCl = MnCl2 + H2O + Cl2 = =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
SO2 + NaOH = NaO2 + SOH =>
SO2 + NaOH = NaO2 + SOH
SO2 + KMnO4 + H2O = KH2SO4 + H2SO4 + MnSO4 =>
3 SO2 + KMnO4 + 2 H2O = KH2SO4 + H2SO4 + MnSO4
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