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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
K2CO3 + Ca(OH)2 = KOH + CaCO3 =>
K2CO3 + Ca(OH)2 = 2 KOH + CaCO3
H2O + K2SO4 = HO + HK2SO4 =>
H2O + K2SO4 = HO + HK2SO4
KMnO4 + (NH4)C2O4 + H2SO4 = K2SO4 + MnSO4 + CO2 + (NH4)2SO4 + H2O =>
2 KMnO4 + 10(NH4)C2O4 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 20 CO2 + 5(NH4)2SO4 + 8 H2O
H2BrO2 = BrO + H2O =>
H2BrO2 = BrO + H2O
Ca(HS)2 + Cl2 = CaCl2 + HCl + S =>
Ca(HS)2 + 2 Cl2 = CaCl2 + 2 HCl + 2 S
HSbO3 + Ni(OH)3 = Ni(SbO3)3 + H2O =>
3 HSbO3 + Ni(OH)3 = Ni(SbO3)3 + 3 H2O
KMnO4 + H2SO4 + H2S = MnSO4 + K2SO4 + H2O =>
8 KMnO4 + 7 H2SO4 + 5 H2S = 8 MnSO4 + 4 K2SO4 + 12 H2O
Ca + (AlO2)2 + HCl = AlCl3 + CaCl2 + H2O =>
Ca + (AlO2)2 + 8 HCl = 2 AlCl3 + CaCl2 + 4 H2O
AgNO3 + CaJ2 = Ca(NO3)2 + AgJ =>
2 AgNO3 + CaJ2 = Ca(NO3)2 + 2 AgJ
Ba(NO3)2 + KCr = BaCr + K(NO3)2 =>
Ba(NO3)2 + KCr = BaCr + K(NO3)2
HCOOH + NaOH = HCOONa + H2O =>
HCOOH + NaOH = HCOONa + H2O
Ag(NO3) + HCl = AgCl + H(NO3) =>
Ag(NO3) + HCl = AgCl + H(NO3)
CuCe2 + NaOH = Cu(OH)2 + NaCe =>
CuCe2 + 2 NaOH = Cu(OH)2 + 2 NaCe
NaI + KMnO4 + H2O = NaIO + MnO2 + KOH =>
3 NaI + 2 KMnO4 + H2O = 3 NaIO + 2 MnO2 + 2 KOH
CuSO4 + NH4OH = Cu[(NH3)4]SO4 + H2O =>
CuSO4 + 4 NH4OH = Cu[(NH3)4]SO4 + 4 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NaOH + Cu2SO4 = NaSO4 + Cu2OH =>
NaOH + Cu2SO4 = NaSO4 + Cu2OH
K2SO4 + CuCl2 = K2Cu + SO4Cl2 =>
K2SO4 + CuCl2 = K2Cu + SO4Cl2
Co{3+} + S2O3{2-} = Co{2+} + S4O6{2-} =>
2 Co{3+} + 2 S2O3{2-} = 2 Co{2+} + S4O6{2-}
CCl4(g) + O2(g) = COCl2(g) + Cl2 =>
2 CCl4(g) + O2(g) = 2 COCl2(g) + 2 Cl2
CH3CH2OH + PBr3 = CH3CH2BrHOPBr2 =>
CH3CH2OH + PBr3 = CH3CH2BrHOPBr2
Cl[PtCl3(NH3)] + AgNO3 = Cl[Pt(NO3)3(NH3)] + AgCl =>
Cl[PtCl3(NH3)] + 3 AgNO3 = Cl[Pt(NO3)3(NH3)] + 3 AgCl
Nb2O5 + HF = H3[NbOF6] + H2O =>
Nb2O5 + 12 HF = 2 H3[NbOF6] + 3 H2O
Na3PO4 + MnCl2 = NaCl + Mn3(PO4)2 =>
2 Na3PO4 + 3 MnCl2 = 6 NaCl + Mn3(PO4)2
NaOH + Cu2SO4 = NaSO4 + Cu2OH =>
NaOH + Cu2SO4 = NaSO4 + Cu2OH
H2O2 = H2 + O2(g) =>
H2O2 = H2 + O2(g)
HCOOH + KOH = HCOOK + H2O =>
HCOOH + KOH = HCOOK + H2O
BaCO3 + HCOOH = H2O + Ba(COOH)2 + CO3 =>
2 BaCO3 + 3 HCOOH = H2O + 2 Ba(COOH)2 + CO3
ZnO + NaOH = NaZnO2 + H2 =>
2 ZnO + 2 NaOH = 2 NaZnO2 + H2
HCOOH + Na2CO3 = HCONa + H2O + CO2 =>
4 HCOOH + Na2CO3 = 2 HCONa + 3 H2O + 3 CO2
CoCO3 + NH3 = Co(NH3)6 + CO3 =>
CoCO3 + 6 NH3 = Co(NH3)6 + CO3
Cr(OH)3 + KOH + K2SO4 = K2CrO4 + K2SO3 + H2O =>
2 Cr(OH)3 + 4 KOH + 3 K2SO4 = 2 K2CrO4 + 3 K2SO3 + 5 H2O
Br2 + Au = Br{-} + Au{+3} =>
3 Br2 + 2 Au = 6 Br{-} + 2 Au{+3}
K2CrO4(aq) + H2SO4(aq) = K2SO4(aq) + H2CrO4(aq) =>
K2CrO4(aq) + H2SO4(aq) = K2SO4(aq) + H2CrO4(aq)
HC2H3O2 + K2O3 = H2O + CO2 + KC2H3O2 =>
5 HC2H3O2 + 2 K2O3 = 4 H2O + 2 CO2 + 4 KC2H3O2
C3H4 + Br2 = C3H3Br + HBr =>
C3H4 + Br2 = C3H3Br + HBr
ClO + H2O = HClO + HClO3 =>
4 ClO + 2 H2O = 3 HClO + HClO3
Ca(OH)2 + MgCl2 = MgO + CaCl2 + H2O =>
Ca(OH)2 + MgCl2 = MgO + CaCl2 + H2O
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + NaSO4 + K2SO4 + H2O =>
4 KMnO4 + 5 Na2SO3 + 11 H2SO4 = 4 MnSO4 + 10 NaSO4 + 2 K2SO4 + 11 H2O
(NH4)3PO4 + KOH = K3PO4 + NH4OH =>
(NH4)3PO4 + 3 KOH = K3PO4 + 3 NH4OH
KCl + CuO = CuCl2K2O =>
2 KCl + CuO = CuCl2K2O
NaCl(aq) + CuSO4(aq) = CuCl2(aq) + Na2SO4(aq)(nvr) =>
2 NaCl(aq) + CuSO4(aq) = CuCl2(aq) + Na2SO4(aq)(nvr)
LiCl(s) + H2O(aq) = LiOH + HCl =>
LiCl(s) + H2O(aq) = LiOH + HCl
SO3CaO = CaSO4 =>
SO3CaO = CaSO4
HCOOH + H2O = H3O + HCOO =>
HCOOH + H2O = H3O + HCOO
NO + H5IO6 = HNO3 + HIO3 + H2O =>
2 NO + 3 H5IO6 = 2 HNO3 + 3 HIO3 + 5 H2O
CaSO4 + NaI = CaNa2 + I2SO4 =>
CaSO4 + 2 NaI = CaNa2 + I2SO4
Na2SO4 + H2O + ZnCl2 + UO2(C2H3O2)2 + HC2H3O2 = (UO2)3ZnNa(C2H3O2)9*6H2O + H2SO4 + HCl =>
Na2SO4 + 12 H2O + 2 ZnCl2 + 6 UO2(C2H3O2)2 + 6 HC2H3O2 = 2(UO2)3ZnNa(C2H3O2)9*6H2O + H2SO4 + 4 HCl
Fe2 + O2 + H2O = Fe(OH)3 =>
2 Fe2 + 3 O2 + 6 H2O = 4 Fe(OH)3
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