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2 Cu2S + 5 O2 + 2 H2O = 2 CuSO4 + 2 Cu(OH)2
CO3 + CaCl2 = (CO3)Ca + Cl2 =>
CO3 + CaCl2 = (CO3)Ca + Cl2
KJ + PbO3 + HNO3 = Pb(NO3)2 + J2 + KNO3 + H2O =>
4 KJ + PbO3 + 6 HNO3 = Pb(NO3)2 + 2 J2 + 4 KNO3 + 3 H2O
P4 + HNO3 = P2O5 + H2O + N2 =>
P4 + 4 HNO3 = 2 P2O5 + 2 H2O + 2 N2
Na(OH) + CuSO4 = Cu(OH)2 + Na2SO4 =>
2 Na(OH) + CuSO4 = Cu(OH)2 + Na2SO4
HCHO + HCl = H3COCl =>
HCHO + HCl = H3COCl
Mn2S3 + O2 = MnO + SO2 =>
Mn2S3 + 4 O2 = 2 MnO + 3 SO2
HCl + CH3NH3Cl = CH3NH4 + Cl =>
HCl + CH3NH3Cl = CH3NH4 + 2 Cl
Zn + NaOH = ZnNa + HO =>
Zn + NaOH = ZnNa + HO
NH3 + Cl = N2H4 + NH4Cl =>
4 NH3 + 2 Cl = N2H4 + 2 NH4Cl
KI + NaClO = KIO3 + NaCl =>
KI + 3 NaClO = KIO3 + 3 NaCl
SrI2 + Br2 = Br2Sr + I =>
SrI2 + Br2 = Br2Sr + 2 I
KOH + CuO = Cu(OH)2 + K2O =>
2 KOH + CuO = Cu(OH)2 + K2O
Na(OH) + Zn(NO3)2 = Zn(OH)2 + Na(NO3) =>
2 Na(OH) + Zn(NO3)2 = Zn(OH)2 + 2 Na(NO3)
Fe + BaO = FeO + Ba =>
Fe + BaO = FeO + Ba
MnO4{-} + C2H2 + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + C2H2 + 6 H{+} = 2 Mn{2+} + 2 CO2 + 4 H2O
C6H8O8 + O2 = CO + H2O =>
C6H8O8 + O2 = 6 CO + 4 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
OH + S = H2 + SO3 =>
6 OH + 2 S = 3 H2 + 2 SO3
C6H12 + KMnO4 + H2O = C6H12(OH)2 + MnO2 + KOH =>
3 C6H12 + 2 KMnO4 + 4 H2O = 3 C6H12(OH)2 + 2 MnO2 + 2 KOH
CH3COOH + MgCO3 = Mg(CH3COOH)2 + CO2 + H2O =>
9 CH3COOH + 4 MgCO3 = 4 Mg(CH3COOH)2 + 6 CO2 + 2 H2O
C8H3 + O2 = CO2 + H2O =>
4 C8H3 + 35 O2 = 32 CO2 + 6 H2O
C8H16 = C7H8 + CH4 =>
5 C8H16 = 4 C7H8 + 12 CH4
FeCl2 + H2O2 = FeCl3 + Fe(OH)2 =>
3 FeCl2 + H2O2 = 2 FeCl3 + Fe(OH)2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
SO2 + O2 = SO34 =>
SO2 + 16 O2 = SO34
Cr(OH)3 + H2O2 + NaOH = Na2CrO4 + H2O =>
2 Cr(OH)3 + 3 H2O2 + 4 NaOH = 2 Na2CrO4 + 8 H2O
KCl + H2CrO4 + NaOH = K2CrO4 + H2O + NaCl =>
2 KCl + H2CrO4 + 2 NaOH = K2CrO4 + 2 H2O + 2 NaCl
CuCl + Na2S = Cu2S + NaCl =>
2 CuCl + Na2S = Cu2S + 2 NaCl
KHCO3(s) = K2CO3(s) + CO2(g) + H2O(g) =>
2 KHCO3(s) = K2CO3(s) + CO2(g) + H2O(g)
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Ca3(PO4)2 + H2S = CaS + H3PO4 =>
Ca3(PO4)2 + 3 H2S = 3 CaS + 2 H3PO4
HOOC{-}CH2{-}C(OH)COOH{-}CH2{-}COOH + NaOH = NaOOC{-}CH2{-}C(ONa)COOH{-}CH2{-}COOH + H2O =>
HOOC{-}CH2{-}C(OH)COOH{-}CH2{-}COOH + NaOH = NaOOC{-}CH2{-}C(ONa)COOH{-}CH2{-}COOH + H2O
CH4 + CO2 = C2H5OH =>
3 CH4 + CO2 = 2 C2H5OH
KIO4 + MnSO4 + H2O = MnO4{-} + IO3{-} + H{+} + SO4{2-} + K{+} =>
5 KIO4 + 2 MnSO4 + 3 H2O = 2 MnO4{-} + 5 IO3{-} + 6 H{+} + 2 SO4{2-} + 5 K{+}
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
Zn(OH)2 + H3PO3 = Zn3(PO3)2 + H2O =>
3 Zn(OH)2 + 2 H3PO3 = Zn3(PO3)2 + 6 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
H2NNH2 + HNO3 = H2O + NNH2O =>
5 H2NNH2 + 4 HNO3 = 5 H2O + 7 NNH2O
Fe2 + O2 + H2O = Fe2O3H2O =>
2 Fe2 + 3 O2 + 2 H2O = 2 Fe2O3H2O
H2 + SO4 + LiOH = H2O + Li2SO4 =>
H2 + SO4 + 2 LiOH = 2 H2O + Li2SO4
Mg2 + O2 = MgO =>
Mg2 + O2 = 2 MgO
Li + Mg(PO4)2 = Li3PO4 + Mg =>
6 Li + Mg(PO4)2 = 2 Li3PO4 + Mg
CaCO3 + CH3COOH = C4H6O4Ca + CO2 + H2O =>
CaCO3 + 2 CH3COOH = C4H6O4Ca + CO2 + H2O
C2H6 + Br2 = C2H5 + HBr =>
2 C2H6 + Br2 = 2 C2H5 + 2 HBr
K2S + NaCl = K2Cl + NaS =>
K2S + NaCl = K2Cl + NaS
KClO3 + H2 = KClO + H2O =>
KClO3 + 2 H2 = KClO + 2 H2O
Al2(CO3)3(aq) + HCl(aq) = AlCl3(aq) + CO2(g) + H2O(l) =>
Al2(CO3)3(aq) + 6 HCl(aq) = 2 AlCl3(aq) + 3 CO2(g) + 3 H2O(l)
TiCl2 + H2SO4 = TiSO4 + HCl =>
TiCl2 + H2SO4 = TiSO4 + 2 HCl
Fe2(SO4)3 + O2 = Fe2O3 + SO4 =>
2 Fe2(SO4)3 + 3 O2 = 2 Fe2O3 + 6 SO4
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