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2 FeS2(s) + 6 O2(g) = Fe2O4(s) + 4 SO2(g)
Cu(OH)2 + LiNO3 = Cu(NO3)2 + LiOH =>
Cu(OH)2 + 2 LiNO3 = Cu(NO3)2 + 2 LiOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C3H7OH + HF = C3H7F + H2O =>
C3H7OH + HF = C3H7F + H2O
Fe2(SO4)3 + Sr(OH)2 = SrSO4 + Fe(OH)3 =>
Fe2(SO4)3 + 3 Sr(OH)2 = 3 SrSO4 + 2 Fe(OH)3
(OH)3Fe + HNO3 = Fe(NO3)3 + H2O =>
(OH)3Fe + 3 HNO3 = Fe(NO3)3 + 3 H2O
Cr2O72{-} + CH3CH2OH + H{+} = Cr3{+} + CH3CHO + H2O =>
6 Cr2O72{-} + 427 CH3CH2OH + 10 H{+} = 4 Cr3{+} + 427 CH3CHO + 432 H2O
Al + Cu(SO3)2 = Cu + Al(SO3) =>
2 Al + Cu(SO3)2 = Cu + 2 Al(SO3)
Cu(OH)2 + H4P2O7 = Cu2P2O7 + H2O =>
2 Cu(OH)2 + H4P2O7 = Cu2P2O7 + 4 H2O
HCHO2 + NH3 = NH4 + CHO2 =>
HCHO2 + NH3 = NH4 + CHO2
Na + O2 = NaO2 =>
Na + O2 = NaO2
C4H8 + H2O = C4H9OH =>
C4H8 + H2O = C4H9OH
CH3COOH + Na2O = (CH3COO)Na + H2O =>
2 CH3COOH + Na2O = 2(CH3COO)Na + H2O
CaCO3(s) + H3PO4(ac) = Ca3(PO4)2(s) + CO2(g) + H2O =>
3 CaCO3(s) + 2 H3PO4(ac) = Ca3(PO4)2(s) + 3 CO2(g) + 3 H2O
XH2SO4 + NaOH = XNa2SO4 + H2O =>
XH2SO4 + 2 NaOH = XNa2SO4 + 2 H2O
(NH4)2SO4 + Mg(C2H3O2)2 = NH4C2H3O2 + MgSO4 =>
(NH4)2SO4 + Mg(C2H3O2)2 = 2 NH4C2H3O2 + MgSO4
CH + Br = CHBr =>
CH + Br = CHBr
KMnSO4 + H2SO4 = KHSO4 + MnSO4 + S + H2O =>
6 KMnSO4 + 7 H2SO4 = 6 KHSO4 + 6 MnSO4 + S + 4 H2O
V2O3 + SO3 = V2(SO4)3 =>
V2O3 + 3 SO3 = V2(SO4)3
CuO(s) + C(s) = Cu(s) + CO2(g) =>
2 CuO(s) + C(s) = 2 Cu(s) + CO2(g)
NaCl + AgCl = NaAg + Cl =>
NaCl + AgCl = NaAg + 2 Cl
CO + NO = CO2 + N2 =>
2 CO + 2 NO = 2 CO2 + N2
CH3CH2CH2CH2OH + HCl = CH3CH2Cl + H2O =>
CH3CH2CH2CH2OH + 2 HCl = 2 CH3CH2Cl + H2O
CO + CI2 = COCI2 =>
CO + CI2 = COCI2
Cu + (H2SO4) = CuSO4 + H2O + SO2 =>
Cu + 2(H2SO4) = CuSO4 + 2 H2O + SO2
(NH4)2SO4(aq) + KOH(aq) = K2SO4 + (NH4)OH =>
(NH4)2SO4(aq) + 2 KOH(aq) = K2SO4 + 2(NH4)OH
CH3COOH + NaOH = CH3OH + NaCOOH =>
CH3COOH + NaOH = CH3OH + NaCOOH
C5H8 + KMnO4 + H2O = C5H8(OH)4 + KOH + MnO2 =>
3 C5H8 + 4 KMnO4 + 8 H2O = 3 C5H8(OH)4 + 4 KOH + 4 MnO2
Fe(NO3)3 + Na3(PO4) = Fe(PO4) + Na(NO3) =>
Fe(NO3)3 + Na3(PO4) = Fe(PO4) + 3 Na(NO3)
Na2CrO4 + Ba(OH)2 = Na(OH) + BaCrO4 =>
Na2CrO4 + Ba(OH)2 = 2 Na(OH) + BaCrO4
KBrO3 + SbCl3 + HCl = SbCl5 + KBr + H2O =>
KBrO3 + 3 SbCl3 + 6 HCl = 3 SbCl5 + KBr + 3 H2O
Na2OHCl = HONa2Cl =>
Na2OHCl = HONa2Cl
As2O5 + H2 = As2O3 + H2O =>
As2O5 + 2 H2 = As2O3 + 2 H2O
Cu(OH)2 + CH2O = HCOOH + H2O + CuOH =>
2 Cu(OH)2 + CH2O = HCOOH + H2O + 2 CuOH
K2CO3 + H3PO4 = CO2 + H2O + K3PO4 =>
3 K2CO3 + 2 H3PO4 = 3 CO2 + 3 H2O + 2 K3PO4
FeS2 + H2SO4 = SO2 + FeH2S =>
FeS2 + H2SO4 = 2 SO2 + FeH2S
NiSO4(aq) + KOH(aq) = Ni(OH)2(s) + K2SO4(aq) =>
NiSO4(aq) + 2 KOH(aq) = Ni(OH)2(s) + K2SO4(aq)
V2O5 + HF = VF5 + H2O =>
V2O5 + 10 HF = 2 VF5 + 5 H2O
AgCl + NH4(OH) = Ag(NH3)2Cl + H2O =>
AgCl + 2 NH4(OH) = Ag(NH3)2Cl + 2 H2O
Li2SO4 + KOH = K2SO4 + LiOH =>
Li2SO4 + 2 KOH = K2SO4 + 2 LiOH
CaCO3 + SO2 + H2O + O2 = (CaSO4)2H2O + CO2 =>
2 CaCO3 + 2 SO2 + H2O + O2 = (CaSO4)2H2O + 2 CO2
ZnSO4 = Zn + (SO4) =>
ZnSO4 = Zn + (SO4)
FeO + KOH = Fe(OH)2 + K2O =>
FeO + 2 KOH = Fe(OH)2 + K2O
C + H + O2 = CH3(CH2)2COOH =>
4 C + 8 H + O2 = CH3(CH2)2COOH
AlBr3 + K2S = KBr + Al2S3 =>
2 AlBr3 + 3 K2S = 6 KBr + Al2S3
KMnO4 + H2SO4 + KI = MnSO4 + H2O + I2 + K2SO4 =>
2 KMnO4 + 8 H2SO4 + 10 KI = 2 MnSO4 + 8 H2O + 5 I2 + 6 K2SO4
Al + KOH = K + Al(OH) =>
Al + KOH = K + Al(OH)
Na2SO4 + NaCO3 = Na2CO3 + NaSO4 =>
Na2SO4 + NaCO3 = Na2CO3 + NaSO4
Ca2 + O2 = CaO2 =>
Ca2 + 2 O2 = 2 CaO2
LiOH + Fe(NO3)3 = Li(NO3) + Fe(OH)3 =>
3 LiOH + Fe(NO3)3 = 3 Li(NO3) + Fe(OH)3
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