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8 Fe2S3 = 16 Fe + 3 S8
KMnO4 + SnCl2 + KOH = K2MnO4 + K2SnO3 + KCl + H2O =>
2 KMnO4 + SnCl2 + 6 KOH = 2 K2MnO4 + K2SnO3 + 2 KCl + 3 H2O
W + Cl = WCl =>
W + Cl = WCl
Fe2S3 + O2 = Fe + SO2 =>
Fe2S3 + 3 O2 = 2 Fe + 3 SO2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
FeCO3 + FeS2 + HNO3 = Fe2(SO4)3 + CO2 + NO + H2O =>
3 FeCO3 + 9 FeS2 + 46 HNO3 = 6 Fe2(SO4)3 + 3 CO2 + 46 NO + 23 H2O
F + W + P + S = FW2P6S3 =>
F + 2 W + 6 P + 3 S = FW2P6S3
Na2[Zn(OH)4] + ZnCl2 = Zn(OH)2 + NaCl =>
Na2[Zn(OH)4] + ZnCl2 = 2 Zn(OH)2 + 2 NaCl
ZnSO4 + NH3 + H2O = [Zn(NH3)4](OH)2 + (NH4)2SO4 =>
ZnSO4 + 6 NH3 + 2 H2O = [Zn(NH3)4](OH)2 + (NH4)2SO4
W + Cl2 = WCl2 =>
W + Cl2 = WCl2
Ap(OH)3 + H2CO3 = Ap2(CO3)3 + H2O =>
2 Ap(OH)3 + 3 H2CO3 = Ap2(CO3)3 + 6 H2O
K3PO4 + Pb(NO3)2 = KNO3 + Pb3(PO4)2 =>
2 K3PO4 + 3 Pb(NO3)2 = 6 KNO3 + Pb3(PO4)2
Fe2S3 = FeS + S =>
Fe2S3 = 2 FeS + S
W + Cl2 = WCl5 =>
2 W + 5 Cl2 = 2 WCl5
PbCl4 + NaOH = Pb(OH)4 + NaCl =>
PbCl4 + 4 NaOH = Pb(OH)4 + 4 NaCl
Ba(NO3)2 + NaClO3 = Ba(ClO3)2 + NaNO3 =>
Ba(NO3)2 + 2 NaClO3 = Ba(ClO3)2 + 2 NaNO3
W + Cl = WCl4 =>
W + 4 Cl = WCl4
Fe2S3 + O2 = FeO + SO2 =>
Fe2S3 + 4 O2 = 2 FeO + 3 SO2
C13H28(g) + O2(g) = CO2(g) + H2O(g) =>
C13H28(g) + 20 O2(g) = 13 CO2(g) + 14 H2O(g)
TiCl3 + NiCl2 + H2 = NiTi + HCl =>
2 TiCl3 + 2 NiCl2 + 5 H2 = 2 NiTi + 10 HCl
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Pb(NO3)2(aq) + Na2CO3(aq) = NaNO3(aq) + PbCO3(s) =>
Pb(NO3)2(aq) + Na2CO3(aq) = 2 NaNO3(aq) + PbCO3(s)
(CH3COO)2Ca = CaCO3 + C3H6O =>
(CH3COO)2Ca = CaCO3 + C3H6O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Na2S2O3 + (NH4)2S2O8 = (NH4)2SO4 + Na2SO4 + S =>
4 Na2S2O3 + (NH4)2S2O8 = (NH4)2SO4 + 4 Na2SO4 + 5 S
SeO2 + H2O = H2SeO3 =>
SeO2 + H2O = H2SeO3
KCN + H2O + CO2 = KHCO3 + HCN =>
KCN + H2O + CO2 = KHCO3 + HCN
Na2SO3 = Na2S + Na2 + SO4 =>
4 Na2SO3 = Na2S + 3 Na2 + 3 SO4
Cu(CO3) + H2SO4 = Cu(SO4) + CO2 + H2O =>
Cu(CO3) + H2SO4 = Cu(SO4) + CO2 + H2O
W + Cl = Cl6W =>
W + 6 Cl = Cl6W
Mg + F2 = MgF2 =>
Mg + F2 = MgF2
CO + H2 = C8H18 + H2O =>
8 CO + 17 H2 = C8H18 + 8 H2O
Hg(OH)2 = Hg + OH =>
Hg(OH)2 = Hg + 2 OH
FeCO2 + O2 + H2O = Fe(OH)3 + CO2 =>
4 FeCO2 + 3 O2 + 6 H2O = 4 Fe(OH)3 + 4 CO2
Fe{3}(PO{4}){2} + HCl = FeCl + H{3}PO{4} =>
Fe{3}(PO{4}){2} + HCl = FeCl + H{3}PO{4}
Fe2S3 = Fe + S8 =>
8 Fe2S3 = 16 Fe + 3 S8
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
Al6 + HCl = AlCl3 + H2 =>
Al6 + 18 HCl = 6 AlCl3 + 9 H2
Ni(OH)2 + H2(SO4) = Ni(SO4) + H2O =>
Ni(OH)2 + H2(SO4) = Ni(SO4) + 2 H2O
N2 + H2 + Br = NH4Br =>
N2 + 4 H2 + 2 Br = 2 NH4Br
Fe2S3 = FeS + S =>
Fe2S3 = 2 FeS + S
Mg + O22MgO = MgO2 =>
21 Mg + 2 O22MgO = 23 MgO2
AgNO3(ac) + KCl(ac) = AgCl + KNO3 =>
AgNO3(ac) + KCl(ac) = AgCl + KNO3
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
W + Cl = WCl =>
W + Cl = WCl
Fe2S3 = FeS + S =>
Fe2S3 = 2 FeS + S
C2H4O2 + Al(OH)3 = H2O + C6H9AlO6 =>
3 C2H4O2 + Al(OH)3 = 3 H2O + C6H9AlO6
(NH4)3PO4 + LiOH = NH3 + H2O + Li3(PO4) =>
(NH4)3PO4 + 3 LiOH = 3 NH3 + 3 H2O + Li3(PO4)
MgSiO3 + H2SO4 = MgSO4 + SiO2 + H2O =>
MgSiO3 + H2SO4 = MgSO4 + SiO2 + H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
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