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2 FeS + 3 O2 = 2 FeO + 2 SO2
Al2(So4)3(aq) + H2O(l) = Al2O3(s) + H2So4(aq) = Al2(So4)3(aq) + H2O(l) =>
Al2(So4)3(aq) + 3 H2O(l) = Al2O3(s) + 3 H2So4(aq)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaOH + Ag = AgOH + Na =>
NaOH + Ag = AgOH + Na
(NH4)2O + Ca(NO3)2 = NH4NO3 + CaO =>
(NH4)2O + Ca(NO3)2 = 2 NH4NO3 + CaO
K + Na3Co(NO2)6(s) = K2Na3[Co(NO2)6](s) =>
2 K + Na3Co(NO2)6(s) = K2Na3[Co(NO2)6](s)
Ru + Cl2 = Ru5Cl8 =>
5 Ru + 4 Cl2 = Ru5Cl8
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3OH + NO3{-} + H{+} = N2 + CO2 + H2O =>
5 CH3OH + 6 NO3{-} + 6 H{+} = 3 N2 + 5 CO2 + 13 H2O
N5H10 + O2 = N3O7 + H2O =>
3 N5H10 + 25 O2 = 5 N3O7 + 15 H2O
Hg3As2 = Hg + As =>
Hg3As2 = 3 Hg + 2 As
KNO3(s) = KNO2(s) + O2(g) =>
2 KNO3(s) = 2 KNO2(s) + O2(g)
H2PO4 = H2P2O7 + H2O =>
2 H2PO4 = H2P2O7 + H2O
NaIO3 + HCl = Cl2 + NaI + H2O =>
NaIO3 + 6 HCl = 3 Cl2 + NaI + 3 H2O
CaC2 + CO = CaO + C =>
CaC2 + CO = CaO + 3 C
H2PO4 = H2P2O7 + H2O =>
2 H2PO4 = H2P2O7 + H2O
Cu(OH)2 + K3(PO4) = Cu3(PO4)2 + KOH =>
3 Cu(OH)2 + 2 K3(PO4) = Cu3(PO4)2 + 6 KOH
CaCl2*2H2O + K2C2O4*H2O = CaC2O4 + KCl + H2O =>
CaCl2*2H2O + K2C2O4*H2O = CaC2O4 + 2 KCl + 3 H2O
Pb(NO3)2(aq) + H2SO4(aq) = PbSO4(s) + HNO3(aq) =>
Pb(NO3)2(aq) + H2SO4(aq) = PbSO4(s) + 2 HNO3(aq)
C57H116O6 + O2 = CO2 + H2O =>
C57H116O6 + 83 O2 = 57 CO2 + 58 H2O
H5IO6 + Ca(OH)2 = H2O + Ca5(IO6)2 =>
2 H5IO6 + 5 Ca(OH)2 = 10 H2O + Ca5(IO6)2
Ni + CuNO3 = Ni(NO3)2 + Cu =>
Ni + 2 CuNO3 = Ni(NO3)2 + 2 Cu
C4HgOH + O2 = Hg + CO2 + H2O =>
4 C4HgOH + 15 O2 = 4 Hg + 16 CO2 + 2 H2O
MgCO3 + C4H6O5 = MgC4H4O5 + H2O + CO2 =>
MgCO3 + C4H6O5 = MgC4H4O5 + H2O + CO2
HCOOH + H2SO4 + KMnO4 = CO2 + H2O + MnSO4 + K2SO4 =>
5 HCOOH + 3 H2SO4 + 2 KMnO4 = 5 CO2 + 8 H2O + 2 MnSO4 + K2SO4
GeCl4 + H2 = GeCl2 + HCl =>
GeCl4 + H2 = GeCl2 + 2 HCl
NaOH + CH3COOH = H2O + C2H3NaO2 =>
NaOH + CH3COOH = H2O + C2H3NaO2
NaHCO3 = Na2CO3 + CO2H2O =>
2 NaHCO3 = Na2CO3 + CO2H2O
Si + KMnO4 = SiO2 + K2O + MnO2 =>
3 Si + 4 KMnO4 = 3 SiO2 + 2 K2O + 4 MnO2
CH3(CH2)3OH + O2 = CO2 + H2O =>
CH3(CH2)3OH + 6 O2 = 4 CO2 + 5 H2O
CH3CH2OH + O2 = CO2 + H2O =>
CH3CH2OH + 3 O2 = 2 CO2 + 3 H2O
BaNO3(aq) + NaCO3(aq) = BaCO3(s) + NaNO3(aq) =>
BaNO3(aq) + NaCO3(aq) = BaCO3(s) + NaNO3(aq)
AgNO3 + Na2SiO3 = AgSiO3 + Na2NO3 =>
AgNO3 + Na2SiO3 = AgSiO3 + Na2NO3
Mn2O7 + C6H12O6 = MnO2 + CO2 + H2O =>
4 Mn2O7 + C6H12O6 = 8 MnO2 + 6 CO2 + 6 H2O
CaCO3 + C6H12O6 = CaC6H12O6 + CO2 + H2O =>
12 CaCO3 + 13 C6H12O6 = 12 CaC6H12O6 + 18 CO2 + 6 H2O
HI + Ba(OH)2 = BaI2 + H2O =>
2 HI + Ba(OH)2 = BaI2 + 2 H2O
CH3CH2CH2CH2OH + CH3C(O)OH = CH3C(O)OCH2CH2CH2CH3 + H2O =>
CH3CH2CH2CH2OH + CH3C(O)OH = CH3C(O)OCH2CH2CH2CH3 + H2O
H2SiO3 + BaCl2 = Ba2(SiO3)2 + HCl =>
2 H2SiO3 + 2 BaCl2 = Ba2(SiO3)2 + 4 HCl
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
PbO2 + KCrO2 + NaOH = Na2CrO4 + K2CrO4 + Na2PbO2 + H2O =>
3 PbO2 + 2 KCrO2 + 8 NaOH = Na2CrO4 + K2CrO4 + 3 Na2PbO2 + 4 H2O
NaClO2 + I2 + NaOH = NaIO3 + NaCl + H2O =>
5 NaClO2 + 2 I2 + 4 NaOH = 4 NaIO3 + 5 NaCl + 2 H2O
KAlSi3O8 + H2CO3 + H2O = K + HCO3 + Al(OH)3 + SiO2 =>
KAlSi3O8 + H2CO3 + H2O = K + HCO3 + Al(OH)3 + 3 SiO2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Fe2(SO4)3 + NaCO3 = Fe2(CO3) + Na(SO4)3 =>
Fe2(SO4)3 + NaCO3 = Fe2(CO3) + Na(SO4)3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg(s) + NaBr(aq) = Na + MgBr2 =>
Mg(s) + 2 NaBr(aq) = 2 Na + MgBr2
S + CI2 = SCI2 =>
S + CI2 = SCI2
KMnO4 + CH3SH = MnO2 + CH3SO3K + KOH =>
2 KMnO4 + CH3SH = 2 MnO2 + CH3SO3K + KOH
K2 + I = KI =>
K2 + 2 I = 2 KI
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
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