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FeS2 + 3 O2 = FeO2 + 2 SO2
Ca + HNO3 = Ca(NO3)2 + N2O + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + N2O + 5 H2O
Na3[FeF6] + KOH = NaOH + Fe(OH)3 + KF =>
Na3[FeF6] + 6 KOH = 3 NaOH + Fe(OH)3 + 6 KF
KPO4 + CaOH = KOH + CaPO4 =>
KPO4 + CaOH = KOH + CaPO4
Cd(NH3)4 + C2H5NS = CdS + C(NH3) + H + N =>
Cd(NH3)4 + C2H5NS = CdS + 2 C(NH3) + 11 H + 3 N
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al(OH)4{-} + H2SO4 = Al{+3} + H2O + SO4{-2} =>
Al(OH)4{-} + 2 H2SO4 = Al{+3} + 4 H2O + 2 SO4{-2}
Zn + KMnO4 + H2SO4 = MnSO4 + H2O + K2SO4 + ZnSO4 =>
5 Zn + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + 8 H2O + K2SO4 + 5 ZnSO4
Dy2O3 + Ta2O5 = DyTa7O19 =>
Dy2O3 + 7 Ta2O5 = 2 DyTa7O19
Ag3AuS3 = Ag2S + Au2S3 =>
2 Ag3AuS3 = 3 Ag2S + Au2S3
C2H4O + K2Cr2O7 + H2SO4 = CHO + K2SO + CrO + H2O =>
7 C2H4O + 2 K2Cr2O7 + 2 H2SO4 = 14 CHO + 2 K2SO + 4 CrO + 9 H2O
K2S2O8 + MnSO4 + KOH = K2SO4 + KMnO4 + H2O =>
5 K2S2O8 + 2 MnSO4 + 16 KOH = 12 K2SO4 + 2 KMnO4 + 8 H2O
Ag(NH3)2NO3 + NaOH = Ag2O + NH3 + NaNO3 + H2O =>
2 Ag(NH3)2NO3 + 2 NaOH = Ag2O + 4 NH3 + 2 NaNO3 + H2O
FeBr2 + H3PO4 = FeBr2(H3PO4) =>
FeBr2 + H3PO4 = FeBr2(H3PO4)
HNO3 + FeI2 = HI + Fe(NO3)3 + NO + H2O =>
10 HNO3 + 3 FeI2 = 6 HI + 3 Fe(NO3)3 + NO + 2 H2O
FeS2 + O2 = FeO2 + SO2 =>
FeS2 + 3 O2 = FeO2 + 2 SO2
MnCl2 + NaBiO3 + H2SO4 = HMnO4 + Bi2(SO4)3 + Na2SO4 + HCl + H2O =>
4 MnCl2 + 10 NaBiO3 + 20 H2SO4 = 4 HMnO4 + 5 Bi2(SO4)3 + 5 Na2SO4 + 8 HCl + 14 H2O
AsS3 + HNO3 = H2SO4 + H3AsO4 + NO2 + H2O =>
AsS3 + 23 HNO3 = 3 H2SO4 + H3AsO4 + 23 NO2 + 7 H2O
C3H6OH + H2 = C3H7 + H2O =>
C3H6OH + H2 = C3H7 + H2O
MgO + CO2 + H2O = Mg(HCO3)2 =>
MgO + 2 CO2 + H2O = Mg(HCO3)2
Al + CuSO4 = Al4(SO4)3 + Cu =>
4 Al + 3 CuSO4 = Al4(SO4)3 + 3 Cu
[Co(H2O)6] + SCN = [Co(SCN)4] + H2O =>
[Co(H2O)6] + 4 SCN = [Co(SCN)4] + 6 H2O
Fe + HBr(ac) = FeBr3 + H2 =>
2 Fe + 6 HBr(ac) = 2 FeBr3 + 3 H2
FeS + H2O + O2 = Fe3O4 + HS{-} + H{+} =>
6 FeS + 6 H2O + O2 = 2 Fe3O4 + 6 HS{-} + 6 H{+}
HNO3 + FeI2 = HI + Fe(NO3)3 + NO + H2O =>
10 HNO3 + 3 FeI2 = 6 HI + 3 Fe(NO3)3 + NO + 2 H2O
Zn + H2O + H2SO4 = H3O{+} + ZnSO4{-} + H =>
Zn + H2O + H2SO4 = H3O{+} + ZnSO4{-} + H
HCHO2 + NaHCO3 = CO2 + H2O + NaCHO2 =>
HCHO2 + NaHCO3 = CO2 + H2O + NaCHO2
H(OH) = H2 + (OH) =>
2 H(OH) = H2 + 2(OH)
CuS + NaCl = CuCl2 + Na2S =>
CuS + 2 NaCl = CuCl2 + Na2S
MgO + CO2 + H2O = Mg(HCO3)2 =>
MgO + 2 CO2 + H2O = Mg(HCO3)2
HCrO4 + Cl = CrO4 + HCl =>
HCrO4 + Cl = CrO4 + HCl
(NH4)2S + KOH = K2S + NH3 + H2O =>
(NH4)2S + 2 KOH = K2S + 2 NH3 + 2 H2O
H2S + NbO2 = NbO + S + H2O =>
H2S + NbO2 = NbO + S + H2O
KBr + MnO2 + H2SO4 = Br2 + MnSO4 + KHSO4 + H2O =>
2 KBr + MnO2 + 3 H2SO4 = Br2 + MnSO4 + 2 KHSO4 + 2 H2O
LiSO4*H2O = LiSO4 + H2O =>
LiSO4*H2O = LiSO4 + H2O
C3H8O + CrO3 = C3H6O + Cr2O3 + H2O =>
3 C3H8O + 2 CrO3 = 3 C3H6O + Cr2O3 + 3 H2O
calcium + HCl = calciumchloride + hydrogen =>
Ca + 2 HCl = CaCl2 + H2
MnSO4NaClONaOH = MnO2Na2SO4HCl =>
MnSO4NaClONaOH = MnO2Na2SO4HCl
MgNH4AsO4H12O6 = Mg2As2O7 + NH3 + H2O =>
2 MgNH4AsO4H12O6 = Mg2As2O7 + 2 NH3 + 13 H2O
Na3[FeF6] + KOH = NaOH + Fe(OH)3 + KF =>
Na3[FeF6] + 6 KOH = 3 NaOH + Fe(OH)3 + 6 KF
Cl + HBr = ClBrH =>
Cl + HBr = ClBrH
PhCH2CH3 + KMnO4 + H2SO4 = PhCOOH + CO2 + K2SO4 + MnSO4 + H2O =>
5 PhCH2CH3 + 12 KMnO4 + 18 H2SO4 = 5 PhCOOH + 5 CO2 + 6 K2SO4 + 12 MnSO4 + 28 H2O
SiO2 + CaO = CaSiO3 =>
SiO2 + CaO = CaSiO3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KClO3 + KI + H2SO4 = Cl2 + K2SO4 + I2 + H2O =>
2 KClO3 + 10 KI + 6 H2SO4 = Cl2 + 6 K2SO4 + 5 I2 + 6 H2O
NO + HCl = NCl + OH =>
NO + HCl = NCl + OH
BeF2 + Ca = CaF2 + Be =>
BeF2 + Ca = CaF2 + Be
Hg2(C2H3O2)2(aq) + KCl(aq) = Hg2Cl2(s) + KC2H3O2(ag) =>
Hg2(C2H3O2)2(aq) + 2 KCl(aq) = Hg2Cl2(s) + 2 KC2H3O2(ag)
Zn + Pb(NO3)2 = ZnPb(NO3)2 =>
Zn + Pb(NO3)2 = ZnPb(NO3)2
CCl2O + H2O = CO2 + HCl =>
CCl2O + H2O = CO2 + 2 HCl
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