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3 Fe + 2 O2 = Fe3O4
Be(s) + O2(g) = BeO(s) =>
2 Be(s) + O2(g) = 2 BeO(s)
CuS + H2SO4 = CuO + SO2 + H2O =>
CuS + 3 H2SO4 = CuO + 4 SO2 + 3 H2O
Te + HNO3 = TeO2 + H2O + NO2 =>
Te + 4 HNO3 = TeO2 + 2 H2O + 4 NO2
Al(OH)3 + KOH = KAlO2 + H2O =>
Al(OH)3 + KOH = KAlO2 + 2 H2O
C3H6(g) + NO(g) = C3H3N(s) + H2O(l) + N2(g) =>
4 C3H6(g) + 6 NO(g) = 4 C3H3N(s) + 6 H2O(l) + N2(g)
NH4NO3 + Li = LiNO3 + NH4 =>
NH4NO3 + Li = LiNO3 + NH4
AgF + Cr2(C2O4)3 = Ag2C2O4 + CrF3 =>
6 AgF + Cr2(C2O4)3 = 3 Ag2C2O4 + 2 CrF3
H2O2 + MnO2 = O2(H2)02 + Mn(O2)2 =>
2 H2O2 + MnO2 = O2(H2)02 + Mn(O2)2
H2O + BaCl2 + Fe2O3 = BaFe12O19 + HCl =>
H2O + BaCl2 + 6 Fe2O3 = BaFe12O19 + 2 HCl
Al2(SO4)3 + Al(OH)3 = (Al(OH)2)2SO4 =>
Al2(SO4)3 + 4 Al(OH)3 = 3(Al(OH)2)2SO4
Na2CO3 + HNo3 = NaNo3 + CO + H2O + O2 =>
2 Na2CO3 + 4 HNo3 = 4 NaNo3 + 2 CO + 2 H2O + O2
NiCl2 + Na2CO3 + H2O = Ni(OH)2 + H2CO3 + NaCl =>
NiCl2 + Na2CO3 + 2 H2O = Ni(OH)2 + H2CO3 + 2 NaCl
Al + FeSO4 = Al(SO4)3 + Fe =>
Al + 3 FeSO4 = Al(SO4)3 + 3 Fe
FeO4{2-} + C2O4{2-} + H{+} = Fe{3+} + H2O + CO2 =>
2 FeO4{2-} + 3 C2O4{2-} + 16 H{+} = 2 Fe{3+} + 8 H2O + 6 CO2
Ca(HCO3)2 + CH3COOH = Ca(CH3CHOO)2 + H2O + CO2 =>
4 Ca(HCO3)2 + 9 CH3COOH = 4 Ca(CH3CHOO)2 + 6 H2O + 10 CO2
AlSO4 + BaCl2 = BaSO4 + AlCl2 =>
AlSO4 + BaCl2 = BaSO4 + AlCl2
CH3CCH + NaNH2 = CH3CCH2 + NaNH =>
CH3CCH + NaNH2 = CH3CCH2 + NaNH
I2 + S203{-2} = I{-} + S406{-2} =>
I2 + 2 S203{-2} = 2 I{-} + S406{-2}
SO3 + H2O = O2 + S(HO)2 =>
SO3 + H2O = O2 + S(HO)2
Ca + F2 = (CaF2)2 =>
2 Ca + 2 F2 = (CaF2)2
ZnSO4 + HCl = ClSO4 + ZnH =>
ZnSO4 + HCl = ClSO4 + ZnH
Ca(CO3) + LiCl = Li2(CO3) + CaCl2 =>
Ca(CO3) + 2 LiCl = Li2(CO3) + CaCl2
CH3CH = CH2 = CH3CH2CH2CN =>
CH3CH = 2 CH2
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
NaCl + AgOH = AgCl + NaOH =>
NaCl + AgOH = AgCl + NaOH
FeCl3 + KCSN = Fe[Fe(CSN)6] + KCl =>
2 FeCl3 + 6 KCSN = Fe[Fe(CSN)6] + 6 KCl
Ba + H2 = Ba(H)2 =>
Ba + H2 = Ba(H)2
Al4C3 + H2O = Al + CO2 + H2 =>
Al4C3 + 6 H2O = 4 Al + 3 CO2 + 6 H2
KOH + ZnS = K2S + Zn(OH)2 =>
2 KOH + ZnS = K2S + Zn(OH)2
Na2CO3(aq) + Ca(NO3)2(aq) = CaCO3(s) + Na2(NO3)2(aq) =>
Na2CO3(aq) + Ca(NO3)2(aq) = CaCO3(s) + Na2(NO3)2(aq)
(CaCO3)2 = CaO + CO2 =>
(CaCO3)2 = 2 CaO + 2 CO2
KOH + ZnS = K2S + Zn(OH)2 =>
2 KOH + ZnS = K2S + Zn(OH)2
Li2O + NaOH = Li2OH + NaO =>
Li2O + NaOH = Li2OH + NaO
CH3COONa + KHSO4 = CH3COOH + K2SO4 + Na2SO4 =>
2 CH3COONa + 2 KHSO4 = 2 CH3COOH + K2SO4 + Na2SO4
I2 + HBrO3 + H2O = HIO3 + HBr =>
3 I2 + 5 HBrO3 + 3 H2O = 6 HIO3 + 5 HBr
NaCl + HI = NaI + HCl =>
NaCl + HI = NaI + HCl
H2S + NaNO2 + HCl = S + NO + H2O + NaCl =>
H2S + 2 NaNO2 + 2 HCl = S + 2 NO + 2 H2O + 2 NaCl
Na2CO2 + CH3COOH = NaHCO3 + CH3COONa =>
4 Na2CO2 + 5 CH3COOH = 2 NaHCO3 + 6 CH3COONa
AgF + Na3Po4 = Ag3Po4 + NaF =>
3 AgF + Na3Po4 = Ag3Po4 + 3 NaF
NaBrO3 + P = P2O5 + NaBr =>
5 NaBrO3 + 6 P = 3 P2O5 + 5 NaBr
Mn{2+} + H2O = MnO4{-} + H{+} + {-} =>
Mn{2+} + 4 H2O = MnO4{-} + 8 H{+} + 5e
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C6H5CHOHCH2OH + CH3COOH = C6H5COOCH3COOCH3 + H2O =>
C6H5CHOHCH2OH + 6 CH3COOH = 2 C6H5COOCH3COOCH3 + 6 H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Fe + H2SO4 + KMnO4 = FeSO4 + K2SO4 + MnSO4 + H2O =>
5 Fe + 8 H2SO4 + 2 KMnO4 = 5 FeSO4 + K2SO4 + 2 MnSO4 + 8 H2O
CuCl2 + (C6H7N) + MeOH = CuCl(OMe)(C6H7N) + HCl =>
CuCl2 + (C6H7N) + MeOH = CuCl(OMe)(C6H7N) + HCl
Mn(OH)2 + O2 = MnO2 + H2O =>
2 Mn(OH)2 + O2 = 2 MnO2 + 2 H2O
NaCl + HI = NaI + HCl =>
NaCl + HI = NaI + HCl
LiCl + Fe(NO3)3 = LiNO3 + FeCl3 =>
3 LiCl + Fe(NO3)3 = 3 LiNO3 + FeCl3
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