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2 Zn + 2 H2O = Zn2O2 + 4 H
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
As2S3 + HNO3 + H2O = H3AsO4 + H2SO5 + NO =>
3 As2S3 + 34 HNO3 + H2O = 6 H3AsO4 + 9 H2SO5 + 34 NO
Na2SO4 + CuCl2 = NaCl + Cu2(SO4)2 =>
2 Na2SO4 + 2 CuCl2 = 4 NaCl + Cu2(SO4)2
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
C3H8O2 + I2 = CHI3 + H2O + HI =>
C3H8O2 + 5 I2 = 3 CHI3 + 2 H2O + HI
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
NaOH + NaHSO4 = Na2SO4 + H2O =>
NaOH + NaHSO4 = Na2SO4 + H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
SO2 + Al = Al2S3 + Al2O3 =>
3 SO2 + 6 Al = Al2S3 + 2 Al2O3
Mn{7+} + V{4+} = V{5+} + Mn{2+} =>
Mn{7+} + 5 V{4+} = 5 V{5+} + Mn{2+}
MgCl2 + LiI = MgI2 + LiCl =>
MgCl2 + 2 LiI = MgI2 + 2 LiCl
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
H2SO4(aq) + CaCO3(s) = CaSO4(aq) + H2O + CO2(g) =>
H2SO4(aq) + CaCO3(s) = CaSO4(aq) + H2O + CO2(g)
Fe + HNO3(cons) = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 HNO3(cons) = Fe(NO3)3 + 3 NO2 + 3 H2O
C2H4 + H2O = C2H6O =>
C2H4 + H2O = C2H6O
Co(NO3) + NaOH = Co(OH) + Na(NO3) =>
Co(NO3) + NaOH = Co(OH) + Na(NO3)
CH3CHCH2CH2 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH3CHCH2CH2 + 8 KMnO4 + 16 H2O = 8 MnO2 + 12 CH3CH(OH)CH2(OH) + 8 KOH
NaClO = NaCl + NaClO3 =>
3 NaClO = 2 NaCl + NaClO3
Cu(II)SO4 + Na3PO4 = Cu(II)PO4 + Na3SO4 =>
Cu(II)SO4 + Na3PO4 = Cu(II)PO4 + Na3SO4
MgS + O2 = MgO + SO2 =>
2 MgS + 3 O2 = 2 MgO + 2 SO2
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
SrF2 + Li2SO4 = SrSO4 + F2Li2 =>
SrF2 + Li2SO4 = SrSO4 + F2Li2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
NaCl + HCl = Na + HCl2 =>
NaCl + HCl = Na + HCl2
KHSO4 + NH4OH = H2O + KOH + (NH4)2SO4 =>
KHSO4 + 2 NH4OH = H2O + KOH + (NH4)2SO4
SiI4(I) + Mg(s) = Si(s) + MgI2(s) =>
2 SiI4(I) + 5 Mg(s) = 2 Si(s) + 5 MgI2(s)
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
KMnO4(aq) + K2C2O4(aq) + H2SO4(aq) = MnSO4(aq) + CO2(g) + H2O + K2SO4(aq) =>
2 KMnO4(aq) + 5 K2C2O4(aq) + 8 H2SO4(aq) = 2 MnSO4(aq) + 10 CO2(g) + 8 H2O + 6 K2SO4(aq)
FeSO4 + Cl2 + KOH = K2FeO4 + KCl + K2SO4 + H2O =>
FeSO4 + 2 Cl2 + 8 KOH = K2FeO4 + 4 KCl + K2SO4 + 4 H2O
CrO4{2-} + H{+} = Cr2O7{2-} + H2O =>
2 CrO4{2-} + 2 H{+} = Cr2O7{2-} + H2O
MgS + O2 = MgO + S =>
2 MgS + O2 = 2 MgO + 2 S
CH3CH2Cl + Na = NaCl + CH3CH2 =>
CH3CH2Cl + Na = NaCl + CH3CH2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H3PO4 + K2O = K3PO4 + H2O =>
2 H3PO4 + 3 K2O = 2 K3PO4 + 3 H2O
C3H6 + HCl = C3H7Cl =>
C3H6 + HCl = C3H7Cl
CH3CHO + H2O2 = CH3COOH + H2O =>
CH3CHO + H2O2 = CH3COOH + H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Ca + Pb(NO3)2 = Pb + Ca(NO3)2 =>
Ca + Pb(NO3)2 = Pb + Ca(NO3)2
Ag2S + H2SO4 = Ag2SO4 + SO2 + H2O =>
Ag2S + 4 H2SO4 = Ag2SO4 + 4 SO2 + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
HNO2 + OH = NO2 + H2O =>
HNO2 + OH = NO2 + H2O
ZnS + HCl = ZnCl2 + H2S =>
ZnS + 2 HCl = ZnCl2 + H2S
CuBr2 + MgS = CuS + MgBr2 =>
CuBr2 + MgS = CuS + MgBr2
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
BaCrO4 + KI + HCl = BaCl2 + CrCl3 + KCl + H2O + I2 =>
2 BaCrO4 + 6 KI + 16 HCl = 2 BaCl2 + 2 CrCl3 + 6 KCl + 8 H2O + 3 I2
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