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2 Fe2S2 + 11 O2 = 2 Fe2O3 + 4 SO4
FeCl3 + FeCl2 + H2O = Fe3O4 + HCl =>
2 FeCl3 + FeCl2 + 4 H2O = Fe3O4 + 8 HCl
Al + Hg(NO3)2 = Al2Hg3 + NO3 =>
2 Al + 3 Hg(NO3)2 = Al2Hg3 + 6 NO3
HBr + AlOH = AlBr + H2O =>
HBr + AlOH = AlBr + H2O
MgSO3 = Mg + SO3 =>
MgSO3 = Mg + SO3
C6H12O6 + NH4HCO3 = C12H24N2O4 + H2O + CO2 =>
29 C6H12O6 + 24 NH4HCO3 = 12 C12H24N2O4 + 90 H2O + 54 CO2
Al2 + O10 = Al2O =>
10 Al2 + O10 = 10 Al2O
C5H12 + H2O2 = H2O + CO2 =>
C5H12 + 16 H2O2 = 22 H2O + 5 CO2
[CoCl2*6H2O] + NH3 + HCl + H2O2 = [Co(NH3)6]Cl3 + H2O =>
2[CoCl2*6H2O] + 12 NH3 + 2 HCl + H2O2 = 2[Co(NH3)6]Cl3 + 14 H2O
S + NaCl = SCl + Na =>
S + NaCl = SCl + Na
Zn + Sn(NO3)2 = Zn(NO3) + Sn2 =>
4 Zn + 2 Sn(NO3)2 = 4 Zn(NO3) + Sn2
Na2S + ZnCl2 = Na2Cl2 + ZnSNa2S =>
2 Na2S + ZnCl2 = Na2Cl2 + ZnSNa2S
OH + H2 = H2(OH)2 =>
2 OH + H2 = H2(OH)2
BaCl2 + NaNo3 = NaCl2 + BaNo3 =>
BaCl2 + NaNo3 = NaCl2 + BaNo3
(NH4)3PO4*12MoO3 + NaOH = (NH4)2MoO4 + Na2MoO4 + (NH4)2HPO4 + H2O =>
2(NH4)3PO4*12MoO3 + 46 NaOH = (NH4)2MoO4 + 23 Na2MoO4 + 2(NH4)2HPO4 + 22 H2O
HBr + H2SO4 = Br2SO2 + H2O =>
2 HBr + H2SO4 = Br2SO2 + 2 H2O
Al(C2H3O2)3 + MgSO4 = Al2(SO4)3 + Mg(C2H3O2)2 =>
2 Al(C2H3O2)3 + 3 MgSO4 = Al2(SO4)3 + 3 Mg(C2H3O2)2
CuSO4 + HCl = CuCl + H + SO4 =>
CuSO4 + HCl = CuCl + H + SO4
LiBr + Cu(NO3)2 = Li(NO3) + CuBr2 =>
2 LiBr + Cu(NO3)2 = 2 Li(NO3) + CuBr2
AgF + Zn = ZnF2 + Ag =>
2 AgF + Zn = ZnF2 + 2 Ag
AlCl3 + H = Al + HCl =>
AlCl3 + 3 H = Al + 3 HCl
Na2CO3(aq) + BaCl2(aq) = BaCO3(s) + NaCl(aq) =>
Na2CO3(aq) + BaCl2(aq) = BaCO3(s) + 2 NaCl(aq)
Na2O + H2O = Na2O2 + H =>
Na2O + H2O = Na2O2 + 2 H
Pb(NO3)2 + Zn + H2O = Zn(NO3)2 + NH4NO3 + Pb(OH)2 =>
5 Pb(NO3)2 + 4 Zn + 7 H2O = 4 Zn(NO3)2 + NH4NO3 + 5 Pb(OH)2
Co + Na2S = CoS + Na =>
Co + Na2S = CoS + 2 Na
Fe2 + H2S = FeS + H2 =>
Fe2 + 2 H2S = 2 FeS + 2 H2
ZnS + O = ZnO2 + SO2 =>
ZnS + 4 O = ZnO2 + SO2
H2S + HCIO = S + HCI + H2O =>
H2S + HCIO = S + HCI + H2O
Pb(HCO3)4 = PbO2 + CO2 + H2O =>
Pb(HCO3)4 = PbO2 + 4 CO2 + 2 H2O
HOOC(CH2)4COOH + H2N(CH2)6NH2 = [OC(CH2)4CONH(CH2)6NH] + H2O =>
HOOC(CH2)4COOH + H2N(CH2)6NH2 = [OC(CH2)4CONH(CH2)6NH] + 2 H2O
FeSO4 + KSCN = Fe(SCN)2 + K + SO4 =>
FeSO4 + 2 KSCN = Fe(SCN)2 + 2 K + SO4
H2C2O4 + NaOH = Na2(CO2)2 + H2O =>
H2C2O4 + 2 NaOH = Na2(CO2)2 + 2 H2O
NaHSO3 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + NaHSO4 =>
5 NaHSO3 + 2 KMnO4 + 3 H2SO4 = 3 H2O + K2SO4 + 2 MnSO4 + 5 NaHSO4
C3H8(OH)4 + O2 = CO2 + H2O =>
C3H8(OH)4 + 4 O2 = 3 CO2 + 6 H2O
C11H22 + H2O + KMnO4 = C12H26O2 + KOH + MnO2 =>
36 C11H22 + 44 H2O + 22 KMnO4 = 33 C12H26O2 + 22 KOH + 22 MnO2
Rb + H3PO4 = H3 + Rb3PO4 =>
3 Rb + H3PO4 = H3 + Rb3PO4
Cu + HNO3 = NO2 + Cu2NO3 + H2O =>
2 Cu + 2 HNO3 = NO2 + Cu2NO3 + H2O
C7H6O + O2 = CO2 + H2O =>
C7H6O + 8 O2 = 7 CO2 + 3 H2O
ClO3{-} + As2S3 + OH{-} = AsO43{-} + SO42{-} + Cl{-} + H2O =>
419 ClO3{-} + 6 As2S3 + 30 OH{-} = 12 AsO43{-} + 18 SO42{-} + 419 Cl{-} + 15 H2O
RbOH + H2SO4 = H2O + Rb2SO4 =>
2 RbOH + H2SO4 = 2 H2O + Rb2SO4
Al(OH)3(s) = Al2O3(s) + H2O(i) =>
2 Al(OH)3(s) = Al2O3(s) + 3 H2O(i)
AlCl3 + NaOH = Na3AlO3 + H2O + NaCl =>
AlCl3 + 6 NaOH = Na3AlO3 + 3 H2O + 3 NaCl
KI(aq) + C12(g) = KC1(aq) + I2(s) =>
12 KI(aq) + C12(g) = 12 KC1(aq) + 6 I2(s)
MnSO4 + H2O2 + KOH = K2SO4 + Mn2O3 + H2O =>
2 MnSO4 + H2O2 + 4 KOH = 2 K2SO4 + Mn2O3 + 3 H2O
Mn2O7 + H2O = Mn(OH)7 =>
Mn2O7 + 7 H2O = 2 Mn(OH)7
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Ca3(PO4)2 + CaCl2 = Ca2ClPO4 =>
Ca3(PO4)2 + CaCl2 = 2 Ca2ClPO4
Ca(ClO)2 + K2SO4 = CaSO4 + KClO =>
Ca(ClO)2 + K2SO4 = CaSO4 + 2 KClO
F2 + KBr = Br2 + KF =>
F2 + 2 KBr = Br2 + 2 KF
Ca(OH)2 + F = CaF + OH =>
Ca(OH)2 + F = CaF + 2 OH
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