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2 FeS2 + 3 H2SO4 = 3 H2S + 2 SO2 + 2 FeSO4
Al + CuO2 = AlO2 + Cu =>
Al + CuO2 = AlO2 + Cu
BCl3 + AlCl3 = AlCl4 + B =>
BCl3 + 3 AlCl3 = 3 AlCl4 + B
PB(NO3)2 + CUSO4 = PBCU + SO4(NO3)2 =>
PB(NO3)2 + CUSO4 = PBCU + SO4(NO3)2
KMnO4 + HCl + H2S = MnO2 + KCl + S + H2O =>
2 KMnO4 + 2 HCl + 3 H2S = 2 MnO2 + 2 KCl + 3 S + 4 H2O
Mn{2+} + MnO4{-} + H2O = MnO3{2-} + H{+} =>
3 Mn{2+} + 2 MnO4{-} + 7 H2O = 5 MnO3{2-} + 14 H{+}
MnO2 + NaBiO3 = MnO4 + NaBiO =>
MnO2 + NaBiO3 = MnO4 + NaBiO
HH2CO3 = HH2O + CO2 =>
HH2CO3 = HH2O + CO2
C4H8(COONa)2 + NaOH = Na2CO3 + C4H10 =>
C4H8(COONa)2 + 2 NaOH = 2 Na2CO3 + C4H10
BaCl2 + (NH4)2S = (Ba2)S + NH4Cl2 =>
2 BaCl2 + (NH4)2S = (Ba2)S + 2 NH4Cl2
{2-}methyl{-}2{-}butanol = {2-}methyl{-}2{-}butene =>
{2-}methyl{-}2{-}butanol = {2-}methyl{-}2{-}butene
Ca + HCI2 = CaCI2 + H2 =>
2 Ca + 2 HCI2 = 2 CaCI2 + H2
AgCN + HCl = HCN + AgCl =>
AgCN + HCl = HCN + AgCl
S2O8 + H2O = SO4{2-} + H2O2 + H{+} =>
S2O8 + 4 H2O = 2 SO4{2-} + 2 H2O2 + 4 H{+}
BaSO3 + HClO4 = Ba(ClO4)2 + H2O + SO2 =>
BaSO3 + 2 HClO4 = Ba(ClO4)2 + H2O + SO2
K + H2O = KOH1 + H =>
K + H2O = KOH1 + H
KMnO4 + KHSO4 + H2S = K2SO4 + MnSO4 + H2O =>
8 KMnO4 + 14 KHSO4 + 5 H2S = 11 K2SO4 + 8 MnSO4 + 12 H2O
Ba(OH)2 + N2O5 = Ba(OH)NO3 + H2O =>
2 Ba(OH)2 + N2O5 = 2 Ba(OH)NO3 + H2O
FeS + AlCl3 = FeCl3 + AlS =>
FeS + AlCl3 = FeCl3 + AlS
NiS + KNO3 + H2SO4 = NiSO4 + K2SO4 + NO2 + H2O =>
NiS + 8 KNO3 + 4 H2SO4 = NiSO4 + 4 K2SO4 + 8 NO2 + 4 H2O
I + AgNO3 = AgI + NO3 =>
I + AgNO3 = AgI + NO3
Na2EDTA + CaCl2 = CaEDTA + NaCl =>
Na2EDTA + CaCl2 = CaEDTA + 2 NaCl
NH4HCO3 + CH2O = (CH)6N4 + H2O + CO2 =>
8 NH4HCO3 + 9 CH2O = 2(CH)6N4 + 23 H2O + 5 CO2
HJ + H2SO3 = HJO3 + H2S =>
HJ + H2SO3 = HJO3 + H2S
Mg(OH)2 + NaCl = MgCl2 + NaOH =>
Mg(OH)2 + 2 NaCl = MgCl2 + 2 NaOH
SnCl2 + HgCl2 = Hg + Sn(Cl2)2 =>
SnCl2 + HgCl2 = Hg + Sn(Cl2)2
K2Cr2O7 + KJ + HNO3 = Cr2NO3 + J2 + K2NO3 + H2O =>
K2Cr2O7 + 24 KJ + 14 HNO3 = Cr2NO3 + 12 J2 + 13 K2NO3 + 7 H2O
CrO + H2O = CrO2 + H =>
CrO + H2O = CrO2 + 2 H
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
PtO + N2O5 = Pt(NO3)2 =>
PtO + N2O5 = Pt(NO3)2
Na2S(aq) + ZnCl2(aq) = ZnS(s) + NaCl(aq) =>
Na2S(aq) + ZnCl2(aq) = ZnS(s) + 2 NaCl(aq)
(HCOO)2Ca + H2SO4 = HCOOH + CaSO4 =>
(HCOO)2Ca + H2SO4 = 2 HCOOH + CaSO4
Ca10(PO4)6(OH)2 + H{+} = HPO4{2-} + H2O + Ca{2+} =>
Ca10(PO4)6(OH)2 + 8 H{+} = 6 HPO4{2-} + 2 H2O + 10 Ca{2+}
BCl3 + AlCl3 = AlCl4 + B =>
BCl3 + 3 AlCl3 = 3 AlCl4 + B
Fe4Ni5S8 + SO3 + O2 = FeSO4 + NiSO4 =>
2 Fe4Ni5S8 + 2 SO3 + 33 O2 = 8 FeSO4 + 10 NiSO4
CH3COOH + Cl2 = CH2ClCOOH + HCl =>
CH3COOH + Cl2 = CH2ClCOOH + HCl
HNO3 + Pb = NO + Pb(NO3) + H2O =>
4 HNO3 + 3 Pb = NO + 3 Pb(NO3) + 2 H2O
NaI + HCI = HI + NaCI =>
NaI + HCI = HI + NaCI
C4H8(COONa)2 + NaOH = Na2CO3 + C4H10 =>
C4H8(COONa)2 + 2 NaOH = 2 Na2CO3 + C4H10
C6H6O + O2 = CO2 + H2O =>
C6H6O + 7 O2 = 6 CO2 + 3 H2O
BCl3 + AlCl3 = AlCl4 + B =>
BCl3 + 3 AlCl3 = 3 AlCl4 + B
KClO3 + Zn = ZnO + KCl =>
KClO3 + 3 Zn = 3 ZnO + KCl
Mg = Mg{2+} + {-} =>
Mg = Mg{2+} + 2e
C + H4 + O2 = C2H5OH =>
4 C + 3 H4 + O2 = 2 C2H5OH
MgBr2 + silvernitrate = Mg(NO3)2 + silverbromide =>
MgBr2 + 2 AgNO3 = Mg(NO3)2 + 2 AgBr
PbCl2 + KCO3 = KCl2 + PbCO3 =>
PbCl2 + KCO3 = KCl2 + PbCO3
H2O + I2O = I2 + HIO4 =>
H2O + 7 I2O = 6 I2 + 2 HIO4
Na(NO3) = Na + NO3 =>
Na(NO3) = Na + NO3
CrCl3 + C2H2O4 = CrCl + HCl + CO2 =>
CrCl3 + C2H2O4 = CrCl + 2 HCl + 2 CO2
NO2NO = N2O3 =>
NO2NO = N2O3
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