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4 H2S + Fe3O4 = 4 H2O + FeS2 + 2 FeS
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
KHO + HF = KF + H2O =>
KHO + HF = KF + H2O
Zn3N2 + H2O = Zn{2+} + HO{-} + NH3 =>
Zn3N2 + 6 H2O = 3 Zn{2+} + 6 HO{-} + 2 NH3
WO3 + SNCl2 + HCl = W3O8 + H2SNCl6 + H2O =>
3 WO3 + SNCl2 + 4 HCl = W3O8 + H2SNCl6 + H2O
NaOH + H2S = H2O + Na2S =>
2 NaOH + H2S = 2 H2O + Na2S
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
Bi + Ni(NO3)2 = Bi(NO3)3 + Ni =>
2 Bi + 3 Ni(NO3)2 = 2 Bi(NO3)3 + 3 Ni
Fe2 + HCl = Cl3Fe + H =>
Fe2 + 6 HCl = 2 Cl3Fe + 6 H
LiOH*H2O + H2O2*2H2O = Li2O2*H2O2*2H2O + H2O =>
2 LiOH*H2O + 2 H2O2*2H2O = Li2O2*H2O2*2H2O + 6 H2O
Mg + Al2O3 = Al2 + MgO3 =>
Mg + Al2O3 = Al2 + MgO3
Pb(No3)2 + NaCl = Na(No3)2 + PbCl =>
Pb(No3)2 + NaCl = Na(No3)2 + PbCl
C6H8O7 + O2 = CO2 + H2O =>
2 C6H8O7 + 9 O2 = 12 CO2 + 8 H2O
H2O2 + MnO2 = MnH2 + O2 =>
H2O2 + MnO2 = MnH2 + 2 O2
ZnSO4 + C = ZnS + CO =>
ZnSO4 + 4 C = ZnS + 4 CO
Na2HPO4 + Ca(OH)2 = Ca3(PO4)2 + H2O + NaOH =>
2 Na2HPO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 2 H2O + 4 NaOH
CaMg(CO3)2 + SiO2 + H2O = Mg3Si4O10(OH)2 + CaCO3 + CO2 =>
3 CaMg(CO3)2 + 4 SiO2 + H2O = Mg3Si4O10(OH)2 + 3 CaCO3 + 3 CO2
C6H8O7 + NaOH = NaC6H7O7 + H2O =>
C6H8O7 + NaOH = NaC6H7O7 + H2O
K + Hg = K2Hg =>
2 K + Hg = K2Hg
Cr + Ca(OH)2 + H2O = Ca[Cr(OH)4]2 + H2 =>
2 Cr + Ca(OH)2 + 6 H2O = Ca[Cr(OH)4]2 + 3 H2
PbO2 + KNO2 + HCl = PbCl2 + KNO3 + H2O =>
PbO2 + KNO2 + 2 HCl = PbCl2 + KNO3 + H2O
CBr4 + I2 = CI4 + Br2 =>
CBr4 + 2 I2 = CI4 + 2 Br2
CH0OH + O2 = CO2 + H2O =>
CH0OH + O2 = CO2 + H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Zn(OH)2 + KOH = K2[Zn(OH)4] =>
Zn(OH)2 + 2 KOH = K2[Zn(OH)4]
NaNO3 + CuF2 = NaF + Cu(NO3)2 =>
2 NaNO3 + CuF2 = 2 NaF + Cu(NO3)2
K2S(aq) + HCl(aq) = KCl + H2S(g) =>
K2S(aq) + 2 HCl(aq) = 2 KCl + H2S(g)
ZnSO4 + C = ZnS + CO2 =>
ZnSO4 + 2 C = ZnS + 2 CO2
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
ZnS(s) = Zn(s) + S =>
ZnS(s) = Zn(s) + S
MnO4{-} + Fe{+2} + H3O{+} = Mn{2+} + Fe{+3} + H2O =>
MnO4{-} + 5 Fe{+2} + 8 H3O{+} = Mn{2+} + 5 Fe{+3} + 12 H2O
Na2S + FeSO4 = Na2SO4 + FeS =>
Na2S + FeSO4 = Na2SO4 + FeS
P2O5 + Cd(OH)2 = Cd(PO3)2 + H2O =>
P2O5 + Cd(OH)2 = Cd(PO3)2 + H2O
C6H8O7 + NaHCO3 = Na3C6H5O7 + H2CO3 =>
C6H8O7 + 3 NaHCO3 = Na3C6H5O7 + 3 H2CO3
C2H6O + KMnO4 + H2O = KOH + MnO4 + C2H6 =>
C2H6O + 2 KMnO4 + H2O = 2 KOH + 2 MnO4 + C2H6
LiOH + NH4Cl = LiCl + NH3 + H2O =>
LiOH + NH4Cl = LiCl + NH3 + H2O
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
ZnSO4 + C = Zn + CSO4 =>
ZnSO4 + C = Zn + CSO4
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
Cu(NO3)2 + HOH = CuOHNO3 + HNO3 =>
Cu(NO3)2 + HOH = CuOHNO3 + HNO3
Br + NaI = NaBr + I =>
Br + NaI = NaBr + I
Al(OH)3 + Ca(OH)2 = Ca(AlO2)2 + H2O =>
2 Al(OH)3 + Ca(OH)2 = Ca(AlO2)2 + 4 H2O
ZnSO4 + C = Zn + SO2 + CO2 =>
ZnSO4 + C = Zn + SO2 + CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CCl4 + KOH = KCl + CO2 + H2O =>
CCl4 + 4 KOH = 4 KCl + CO2 + 2 H2O
Sc2O3 + H2SO4 = Sc2(SO4)3 + H2O =>
Sc2O3 + 3 H2SO4 = Sc2(SO4)3 + 3 H2O
(MnO4){-} + (C2O4){-2} + H{+} = Mn{+2} + CO2 + H2O =>
2(MnO4){-} + 5(C2O4){-2} + 16 H{+} = 2 Mn{+2} + 10 CO2 + 8 H2O
ZnCO3 + C6H8O7 = Zn3(C6H5O7)2 + H2O + CO2 =>
3 ZnCO3 + 2 C6H8O7 = Zn3(C6H5O7)2 + 3 H2O + 3 CO2
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
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