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4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Cu + Fe(NO3)2 = Fe + Cu(NO3)2 =>
Cu + Fe(NO3)2 = Fe + Cu(NO3)2
SiCl2(l) + Mg(s) = Si(s) + MgCl2(s) =>
SiCl2(l) + Mg(s) = Si(s) + MgCl2(s)
Br + H2 = HBr2 =>
4 Br + H2 = 2 HBr2
H2O + I2 = IO + H3O =>
6 H2O + I2 = 2 IO + 4 H3O
KClO = KClO3 + KCl =>
3 KClO = KClO3 + 2 KCl
N2O5 + NH4OH = NH4NO3 + H2O =>
N2O5 + 2 NH4OH = 2 NH4NO3 + H2O
NaOH + Mg(ClO3)2 = MgNa2 + OHClO3 =>
2 NaOH + Mg(ClO3)2 = MgNa2 + 2 OHClO3
KOH(aq) + FeCl(aq) = FeOH(s) + KCl(aq) =>
KOH(aq) + FeCl(aq) = FeOH(s) + KCl(aq)
NO2 + HN3 = N2 + H2O =>
2 NO2 + 8 HN3 = 13 N2 + 4 H2O
C2H5OH + K = C2H5OK + H2 =>
2 C2H5OH + 2 K = 2 C2H5OK + H2
Fe2(CO3)3 + H2O = Fe2O3 + H2CO3 =>
Fe2(CO3)3 + 3 H2O = Fe2O3 + 3 H2CO3
HNO3 + CaCO3(s) = H2O(l) + Ca(aq) + CO2(g) + NO3(aq) =>
2 HNO3 + CaCO3(s) = H2O(l) + Ca(aq) + CO2(g) + 2 NO3(aq)
NaCl + FeSO4 = FeCl + NaSO4 =>
NaCl + FeSO4 = FeCl + NaSO4
CH3COOH + Ca = H2 + Ca(CH3COO)2 =>
2 CH3COOH + Ca = H2 + Ca(CH3COO)2
H2S + Ba = BaS + H2 =>
H2S + Ba = BaS + H2
Cu + Au(NO3)3 = Au + Cu(NO3)3 =>
Cu + Au(NO3)3 = Au + Cu(NO3)3
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
F2 + CaCl2 = CaF2 + Cl2 =>
F2 + CaCl2 = CaF2 + Cl2
FeHPO4 + NaOH = Fe(OH)2 + Na2HPO4 =>
FeHPO4 + 2 NaOH = Fe(OH)2 + Na2HPO4
Ag(H2O)2 + H3 = Ag(H2O)2H3 =>
Ag(H2O)2 + H3 = Ag(H2O)2H3
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
PbNO3 + Zn = Pb + Zn(NO3) =>
PbNO3 + Zn = Pb + Zn(NO3)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn + NaNO3 + NaOH = Na2ZnO2 + NH3 + H2O =>
4 Zn + NaNO3 + 7 NaOH = 4 Na2ZnO2 + NH3 + 2 H2O
Fe + H2O = FeOH2 =>
Fe + H2O = FeOH2
Ni + F2 = NiF2 =>
Ni + F2 = NiF2
HNO3 + CaCO3 + NaOH = NaNO3 + Ca(OH)2 + CO2 =>
HNO3 + CaCO3 + NaOH = NaNO3 + Ca(OH)2 + CO2
Na3N + Fe4C3 = Na4C + FeN =>
4 Na3N + Fe4C3 = 3 Na4C + 4 FeN
NH4Br + KOH = KBr + NH3*H2O =>
NH4Br + KOH = KBr + NH3*H2O
Cl2Co + Br2 + NaOH = Co(OH)3 + BrNa + ClNa =>
2 Cl2Co + Br2 + 6 NaOH = 2 Co(OH)3 + 2 BrNa + 4 ClNa
HCHO2 + H2O = CO3 + H3 =>
3 HCHO2 + 3 H2O = 3 CO3 + 4 H3
Pb + HNO3 + H2O = H2PbO3 + NO =>
3 Pb + 4 HNO3 + H2O = 3 H2PbO3 + 4 NO
Cr2(CO3)3 + Ca(OH)2 = Cr(OH)3 + CaCO3 =>
Cr2(CO3)3 + 3 Ca(OH)2 = 2 Cr(OH)3 + 3 CaCO3
C3H8 + HCl = C3H7Cl + H2 =>
C3H8 + HCl = C3H7Cl + H2
Sn + P2 = Sn5P2 =>
5 Sn + P2 = Sn5P2
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
Cu2 + NH3 = Cu(NH3)2 =>
Cu2 + 4 NH3 = 2 Cu(NH3)2
P2O3 + H2O2 = PO2 + H2O =>
P2O3 + H2O2 = 2 PO2 + H2O
PCl5 + AlCl3 = PCl3 + AlCl5 =>
PCl5 + AlCl3 = PCl3 + AlCl5
H2SO4CrO = CrSO4H2O =>
H2SO4CrO = CrSO4H2O
Ba(OH)2 + BaCl2 = Ba(OH)Cl =>
Ba(OH)2 + BaCl2 = 2 Ba(OH)Cl
Fe(NO3)3 + KCNS = K3[Fe(CNS)6] + KNO3 =>
Fe(NO3)3 + 6 KCNS = K3[Fe(CNS)6] + 3 KNO3
Al2(SO4)3 + MgCl2 = AlCl + Mg(SO4)3 =>
Al2(SO4)3 + MgCl2 = 2 AlCl + Mg(SO4)3
CH3COOCH2CH2OH + H2O = C2H4(OH)2 + CH3COOH =>
CH3COOCH2CH2OH + H2O = C2H4(OH)2 + CH3COOH
Pb + ZnCl2 = PbCl2 + Zn =>
Pb + ZnCl2 = PbCl2 + Zn
Ca + AlF3 = CaF2 + Al =>
3 Ca + 2 AlF3 = 3 CaF2 + 2 Al
SCN{-} + BrO3{-} + H2O = SO3{2-} + HCN + Br{-} + H{+} =>
3 SCN{-} + 2 BrO3{-} + 3 H2O = 3 SO3{2-} + 3 HCN + 2 Br{-} + 3 H{+}
S + O2 = SO2 =>
S + O2 = SO2
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