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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CaCO3H = CaHCO3 =>
CaCO3H = CaHCO3
AgF + H2S = Ag2S + HF =>
2 AgF + H2S = Ag2S + 2 HF
Fe2S2 + O2 = Fe2O5 + SO2 =>
2 Fe2S2 + 9 O2 = 2 Fe2O5 + 4 SO2
K2CO3 + HCl = KCl + H2CO3 =>
K2CO3 + 2 HCl = 2 KCl + H2CO3
SrO + H2O + SrI2 = SrOH + I2 =>
SrO + H2O + SrI2 = 2 SrOH + I2
F2F2F2F2F2F2F2F2F2F2F2 = F =>
F2F2F2F2F2F2F2F2F2F2F2 = 22 F
NaOH + MgCl2 = Mg + OH + NaCl =>
2 NaOH + MgCl2 = Mg + 2 OH + 2 NaCl
HCOOH + Ca(OH)2 = HCOO + Ca + H2O =>
2 HCOOH + Ca(OH)2 = 2 HCOO + Ca + 2 H2O
TiO + Br2 + C = TiBr4 + CO2 =>
2 TiO + 4 Br2 + C = 2 TiBr4 + CO2
HI(aq) + K(OH)(aq) = KI(aq) + H2O(l) =>
HI(aq) + K(OH)(aq) = KI(aq) + H2O(l)
CO16 + Zn5 = ZnO5 + CO9 =>
25 CO16 + 7 Zn5 = 35 ZnO5 + 25 CO9
Ba(OH)2 + FeO = BaO + Fe(OH)2 =>
Ba(OH)2 + FeO = BaO + Fe(OH)2
Ca(OH)2H3PO4 = H2OH2PO4CaOH =>
Ca(OH)2H3PO4 = H2OH2PO4CaOH
CoCl2 + NaOH = Co(OH)2 + NaCl =>
CoCl2 + 2 NaOH = Co(OH)2 + 2 NaCl
Fe2O3 + NiO = NiFe2O4 =>
Fe2O3 + NiO = NiFe2O4
HAsO4{2-} + H2O = AsO4{3-} + H3O{+} =>
HAsO4{2-} + H2O = AsO4{3-} + H3O{+}
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
FeO2 = O2 + Fe2O3 =>
4 FeO2 = O2 + 2 Fe2O3
HCl + F = Cl + HF =>
HCl + F = Cl + HF
CH3CH(OH)CH3 + KMnO4 + H2SO4 = K2SO4 + H2O + MnSO4 + CH3C(O)CH3 =>
5 CH3CH(OH)CH3 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 8 H2O + 2 MnSO4 + 5 CH3C(O)CH3
K2Co3 + HOH = KOH + KHCo3 =>
K2Co3 + HOH = KOH + KHCo3
Al + H2SO4 = Al2(SO4)3 + H2O + SO2 =>
2 Al + 6 H2SO4 = Al2(SO4)3 + 6 H2O + 3 SO2
H2SO4 + KMnO4 + H2O2 = MnO4 + KHSO4 + H2O =>
2 H2SO4 + 2 KMnO4 + H2O2 = 2 MnO4 + 2 KHSO4 + 2 H2O
S8(S) + O2(g) = SO3 =>
2 S8(S) + 27 O2(g) = 18 SO3
NaHCO3 + C6H8O7 = Na3C6H5O7 + CO2 + H2O =>
3 NaHCO3 + C6H8O7 = Na3C6H5O7 + 3 CO2 + 3 H2O
CuS + H2SO4 = CuSO4 + SO2 + H2O =>
CuS + 4 H2SO4 = CuSO4 + 4 SO2 + 4 H2O
FeO + H2O2 = Fe2O2(OH)2 =>
2 FeO + H2O2 = Fe2O2(OH)2
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
H2S = H + S =>
H2S = 2 H + S
K2CO3 + H3PO4 = K3PO4 + H2CO3 =>
3 K2CO3 + 2 H3PO4 = 2 K3PO4 + 3 H2CO3
Ag + S8 = Ag2S =>
16 Ag + S8 = 8 Ag2S
CU(s) + HCl(l) = CUCl2(aq) + H2(g) =>
CU(s) + 2 HCl(l) = CUCl2(aq) + H2(g)
Fe(NO3)3 + CH3COOH = Fe(CH3COO)3 + HNO3 =>
Fe(NO3)3 + 3 CH3COOH = Fe(CH3COO)3 + 3 HNO3
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
KMnO4 + HAsO2 + HCl = As2O5 + KCl + MnCl2 + H2O =>
4 KMnO4 + 10 HAsO2 + 12 HCl = 5 As2O5 + 4 KCl + 4 MnCl2 + 11 H2O
KMnO4 + C2Cl4 + H2O = CO2 + MnO2 + K{+} + H{+} + Cl{-} =>
4 KMnO4 + 3 C2Cl4 + 4 H2O = 6 CO2 + 4 MnO2 + 4 K{+} + 8 H{+} + 12 Cl{-}
HCl(aq) + MnO2(s) = MnCl2(aq) + Cl2(g) + H2O(l) =>
4 HCl(aq) + MnO2(s) = MnCl2(aq) + Cl2(g) + 2 H2O(l)
CuCl2 + NaI = CuI + I2 + NaCl =>
2 CuCl2 + 4 NaI = 2 CuI + I2 + 4 NaCl
C42H80O6 + O2 = CO2 + H2O =>
C42H80O6 + 59 O2 = 42 CO2 + 40 H2O
KOH + NH4Cl = KCl + NH3 + H2O =>
KOH + NH4Cl = KCl + NH3 + H2O
Cu2(s) + Ag(NO3)(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu2(s) + 4 Ag(NO3)(aq) = 2 Cu(NO3)2(aq) + 4 Ag(s)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
MnO2 + FeCl2 + HCl = FeCl3 + MnCl2 + H2O =>
MnO2 + 2 FeCl2 + 4 HCl = 2 FeCl3 + MnCl2 + 2 H2O
C2H7N + O2 = CO2 + H2 + N2 =>
2 C2H7N + 4 O2 = 4 CO2 + 7 H2 + N2
Fe{2+} + H{-} = FeH2 =>
Fe{2+} + 2 H{-} = FeH2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
HgO(electricity) = Hg + O2 =>
2 HgO(electricity) = 2 Hg + O2
NaF(aq) + HBr(aq) = NaBr + HF =>
NaF(aq) + HBr(aq) = NaBr + HF
CH3CH2OHKOH = CH3CH2OKH2O =>
CH3CH2OHKOH = CH3CH2OKH2O
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