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FeS2 + 9 Na2O2 = Na2FeO4 + 2 Na2SO4 + 6 Na2O
CoS + NaOH + H2O2 = Co(OH)2 + Na2SO4 + H2O =>
CoS + 2 NaOH + 4 H2O2 = Co(OH)2 + Na2SO4 + 4 H2O
Cu + HNO3(st) = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3(st) = 3 Cu(NO3)2 + 2 NO + 4 H2O
CoS + NaOH + H2O2 = Co(OH)2 + Na2SO4 + H2O =>
CoS + 2 NaOH + 4 H2O2 = Co(OH)2 + Na2SO4 + 4 H2O
Cu + HNO3(st) = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3(st) = 3 Cu(NO3)2 + 2 NO + 4 H2O
Cu + CuS = Cu2S =>
Cu + CuS = Cu2S
H3PO4 + LiOH = Li3PO4 + H2O =>
H3PO4 + 3 LiOH = Li3PO4 + 3 H2O
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
Cl2(g) + KI(s) = KCl(s) + I2(g) =>
Cl2(g) + 2 KI(s) = 2 KCl(s) + I2(g)
Na2Cr2O7 + H2SO4 + H2O2 = CrO5 + Na2SO4 + H2O =>
Na2Cr2O7 + H2SO4 + 4 H2O2 = 2 CrO5 + Na2SO4 + 5 H2O
NaCl + Zn(NO3)2 = ZnCl2 + Na(NO3) =>
2 NaCl + Zn(NO3)2 = ZnCl2 + 2 Na(NO3)
MnO4{-} + Cl2 + H2O = MnO2 + ClO4{-} + OH{-} =>
14 MnO4{-} + 3 Cl2 + 4 H2O = 14 MnO2 + 6 ClO4{-} + 8 OH{-}
BaCl2 + H3PO4 = Ba3(PO4)2 + HCl =>
3 BaCl2 + 2 H3PO4 = Ba3(PO4)2 + 6 HCl
HgHPO4 = Hg + H2 + PO4 =>
2 HgHPO4 = 2 Hg + H2 + 2 PO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ca + K3PO4 = CaPO4 + K =>
Ca + K3PO4 = CaPO4 + 3 K
LiClO3 + HCl = LiCl + Cl2 + H2O =>
LiClO3 + 6 HCl = LiCl + 3 Cl2 + 3 H2O
Ca(NO3)2 + NaOH = Ca(OH)2 + Na2(NO3)2 =>
Ca(NO3)2 + 2 NaOH = Ca(OH)2 + Na2(NO3)2
TiCl3 + NaOH + O2 = TiO(OH)2 + NaCl + H2O =>
4 TiCl3 + 12 NaOH + O2 = 4 TiO(OH)2 + 12 NaCl + 2 H2O
HClO + V(OH)4 = V(ClO)4 + H2O =>
4 HClO + V(OH)4 = V(ClO)4 + 4 H2O
Al2(SO4)3 + KF = K3AlF6 + K2SO4 =>
Al2(SO4)3 + 12 KF = 2 K3AlF6 + 3 K2SO4
H2CO3 + H2O = H3O + CO3 =>
H2CO3 + 2 H2O = 2 H3O + CO3
Cu(NO3)2 + NaOH = Cu(OH)2 + [NaNO3] =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2[NaNO3]
[Co(en)2(OH)(OH2)]Cl2 + HCl = [Co(en)2Cl2]Cl + H2O =>
[Co(en)2(OH)(OH2)]Cl2 + HCl = [Co(en)2Cl2]Cl + 2 H2O
H2SO4(aq) + NaHCO3(s) = CO2 + H2O + Na2SO4 =>
H2SO4(aq) + 2 NaHCO3(s) = 2 CO2 + 2 H2O + Na2SO4
N2H4 + O2(g) = N2(g) + H2O(g) =>
N2H4 + O2(g) = N2(g) + 2 H2O(g)
HCl + CN = HCN + Cl =>
HCl + CN = HCN + Cl
H2SO3 + Cr(OH)3 = Cr2(SO3)3 + H2O =>
3 H2SO3 + 2 Cr(OH)3 = Cr2(SO3)3 + 6 H2O
Cu + CuS = Cu2S =>
Cu + CuS = Cu2S
CaCl2 + Ag3PO4 = Ca3(PO4)2 + AgCl =>
3 CaCl2 + 2 Ag3PO4 = Ca3(PO4)2 + 6 AgCl
Pb(C2H3O2)2 + H2O(l) + CO2(g) = PbCO3(s) + HC2H3O2(aq) =>
Pb(C2H3O2)2 + H2O(l) + CO2(g) = PbCO3(s) + 2 HC2H3O2(aq)
Na(s) + O(g) = NaO =>
Na(s) + O(g) = NaO
Cu + CuS = Cu2S =>
Cu + CuS = Cu2S
CH3CH(OH)COOH + Ba = Ba(CH3CH(OH)COO)2 + H2 =>
2 CH3CH(OH)COOH + Ba = Ba(CH3CH(OH)COO)2 + H2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
(NH4)2PtCl4 + NH3 = (NH3)2PtCl2 + NH4Cl =>
(NH4)2PtCl4 + 2 NH3 = (NH3)2PtCl2 + 2 NH4Cl
KCl + Pb(NO3)2 = PbCl2 + KNO3 =>
2 KCl + Pb(NO3)2 = PbCl2 + 2 KNO3
NaOClNH3 = NH2Cl + NaOH =>
NaOClNH3 = NH2Cl + NaOH
Ba + CaI2 = BaI2 + Ca =>
Ba + CaI2 = BaI2 + Ca
Co(H2O)6 + Cl = CoCl2 + H2O =>
Co(H2O)6 + 2 Cl = CoCl2 + 6 H2O
Ba(NO3)2 + (NH4)3(PO4) = Ba3(PO4)2 + NO3NH4 =>
3 Ba(NO3)2 + 2(NH4)3(PO4) = Ba3(PO4)2 + 6 NO3NH4
K2CO3 + Co(NO3)2 = KNO3 + CoCO3 =>
K2CO3 + Co(NO3)2 = 2 KNO3 + CoCO3
(CUOH)2CO3 = CUO + CO2 + H2O =>
(CUOH)2CO3 = 2 CUO + CO2 + H2O
FeCl3 + K4Fe(CN)6 = KCl + Fe4[Fe(CN)6]3 =>
4 FeCl3 + 3 K4Fe(CN)6 = 12 KCl + Fe4[Fe(CN)6]3
Ag + Ba(NO3)2 = Ag(NO3) + Ba =>
2 Ag + Ba(NO3)2 = 2 Ag(NO3) + Ba
NaNO3 + C12H22O11 = Na2O + CO2 + H2O + N2 =>
48 NaNO3 + 5 C12H22O11 = 24 Na2O + 60 CO2 + 55 H2O + 24 N2
Cu + CuS = Cu2S =>
Cu + CuS = Cu2S
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na2O + HCOOH = Na{+} + OH{-} + HCOO{-} =>
Na2O + HCOOH = 2 Na{+} + OH{-} + HCOO{-}
Na2CO3 + HOH = NaHCO3 + NaOH =>
Na2CO3 + HOH = NaHCO3 + NaOH
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