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Cu2S + 3 O = Cu2O + SO2
H2O1SO2 = H2SO3 =>
H2O1SO2 = H2SO3
CH3OH + KMnO4 = HCOOK + MnO2 + KOH + H2O =>
3 CH3OH + 4 KMnO4 = 3 HCOOK + 4 MnO2 + KOH + 4 H2O
Li(s) + N2(g) = Li3N(s) =>
6 Li(s) + N2(g) = 2 Li3N(s)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
MgBr2(aq) + NaOH(aq) = Mg(OH)2(s) + NaBr(aq) =>
MgBr2(aq) + 2 NaOH(aq) = Mg(OH)2(s) + 2 NaBr(aq)
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
H5 = H8 =>
8 H5 = 5 H8
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
Sn(OH)2 + HCl = SnCl2 + H2O =>
Sn(OH)2 + 2 HCl = SnCl2 + 2 H2O
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
C6H5CH2Cl + CH3Cl = C6H5CH2CH3 + HCl =>
3 C6H5CH2Cl + 11 CH3Cl = 4 C6H5CH2CH3 + 14 HCl
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
(CH)6(l) + O2(g) = CO2 + H2O =>
2(CH)6(l) + 15 O2(g) = 12 CO2 + 6 H2O
Na2S2O3 = Na2SO3 + S =>
Na2S2O3 = Na2SO3 + S
Co(NO3)2 + Na2CO3 = CoCO3 + NaNO3 =>
Co(NO3)2 + Na2CO3 = CoCO3 + 2 NaNO3
HClO3 + FeCl2 + HCl = FeCl3 + H2O =>
HClO3 + 6 FeCl2 + 5 HCl = 6 FeCl3 + 3 H2O
CH3COOHH2O = CH3COOH3O =>
CH3COOHH2O = CH3COOH3O
Ca(NO3)2 + H3PO4 = Ca3(PO4)2 + NO3H =>
3 Ca(NO3)2 + 2 H3PO4 = Ca3(PO4)2 + 6 NO3H
Sn + Hg2(NO3)2 = Sn(NO3)2 + Hg =>
Sn + Hg2(NO3)2 = Sn(NO3)2 + 2 Hg
Na(OH)(aq) + Ag(NO3)(aq) = Na(NO3) + Ag(OH) =>
Na(OH)(aq) + Ag(NO3)(aq) = Na(NO3) + Ag(OH)
HgS + HgO = Hg(l) + SO2(g) =>
HgS + 2 HgO = 3 Hg(l) + SO2(g)
Zn + OH{-} = ZnO + H + e =>
Zn + OH{-} = ZnO + H + e
C4H10 + Cl2 = C4H8Cl2 + H2Cl =>
2 C4H10 + 3 Cl2 = 2 C4H8Cl2 + 2 H2Cl
Al(OH)3 + HNO3 = Al(NO3)3 + H2O =>
Al(OH)3 + 3 HNO3 = Al(NO3)3 + 3 H2O
Pb(NO3)2 + K2Cr2O7 = Cr2O7Pb + KNO3 =>
Pb(NO3)2 + K2Cr2O7 = Cr2O7Pb + 2 KNO3
Zn{2+} + HS{-} = ZnHS{+} =>
Zn{2+} + HS{-} = ZnHS{+}
H2SO4 + C = SO2 + CO + H2 =>
H2SO4 + 2 C = SO2 + 2 CO + H2
Na2CO3 + Fe(ClO3)2 = FeCO3 + NaClO3 =>
Na2CO3 + Fe(ClO3)2 = FeCO3 + 2 NaClO3
BaCo3 + Ca = CaCo3 + Ba =>
BaCo3 + Ca = CaCo3 + Ba
MnO2 + KOH + KNO3 = H2O + K2MnO4 + KNO2 =>
MnO2 + 2 KOH + KNO3 = H2O + K2MnO4 + KNO2
K2SO4BCl2 = KCl + B(SO4) =>
K2SO4BCl2 = 2 KCl + B(SO4)
Cs2CO3 + ZnBr2 = CsBr + CO3Zn =>
Cs2CO3 + ZnBr2 = 2 CsBr + CO3Zn
NaOH + Ni(CO3)2 = Na2(CO3) + Ni(OH)4 =>
4 NaOH + Ni(CO3)2 = 2 Na2(CO3) + Ni(OH)4
CH3(CH2)CH3 + O2 = CO2 + H2OH =>
3 CH3(CH2)CH3 + 13 O2 = 9 CO2 + 8 H2OH
NaBr + C = CBr4 + Na =>
4 NaBr + C = CBr4 + 4 Na
NaBz + Cl2 = NaCl + Bz2 =>
2 NaBz + Cl2 = 2 NaCl + Bz2
C2H3ClO2 + S2Cl2 + Cl2 = C2H2Cl2O + HCl + SO2 =>
4 C2H3ClO2 + S2Cl2 + 3 Cl2 = 4 C2H2Cl2O + 4 HCl + 2 SO2
C10H21O + NaBH4 + C2H7O = C10H23O + NaBH3OC2H5 =>
3 C10H21O + 2 NaBH4 + 2 C2H7O = 3 C10H23O + 2 NaBH3OC2H5
K2O + HO2 + CO2 = KHCO3 + O2 =>
2 K2O + 4 HO2 + 4 CO2 = 4 KHCO3 + 3 O2
Fe(OH)3 + H2C2O4 = Fe2(C2O4)3 + H2O =>
2 Fe(OH)3 + 3 H2C2O4 = Fe2(C2O4)3 + 6 H2O
C2H6O + CH4N2O + CH4 = C6H15NO3 + NH3 =>
3 C2H6O + 3 CH4N2O + 3 CH4 = 2 C6H15NO3 + 4 NH3
COCl2 = Cl + CO =>
COCl2 = 2 Cl + CO
Pb3O4 + FeS2 = PbS + Fe7S8 + SO2 =>
6 Pb3O4 + 35 FeS2 = 18 PbS + 5 Fe7S8 + 12 SO2
KClO3 + Li = O3Li + KCl =>
KClO3 + Li = O3Li + KCl
Sr(s) + S8(s) = SrS =>
8 Sr(s) + S8(s) = 8 SrS
As2 + O3 = As3O2 =>
9 As2 + 4 O3 = 6 As3O2
C5 = C =>
C5 = 5 C
FeCI3 + Na2CO3 = FeCO3 + Na2CI3 =>
FeCI3 + Na2CO3 = FeCO3 + Na2CI3
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