| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Co(s) + 3 S(s) = Co2S3(s)
Na2CrO6 + H2SO3 + CH3OH = Cr2(SO3)3 + HCOOH + Na2SO3 + H2O =>
4 Na2CrO6 + 10 H2SO3 + 7 CH3OH = 2 Cr2(SO3)3 + 7 HCOOH + 4 Na2SO3 + 17 H2O
Sb{+3} + Zn = Sb{-3} + Zn{+} =>
Sb{+3} + 6 Zn = Sb{-3} + 6 Zn{+}
NaOH + TiO2*H2O = Na2TiO3 + H2O =>
2 NaOH + TiO2*H2O = Na2TiO3 + 2 H2O
Fe(s) + HNO3(aq) = Fe(NO3)3 + NO + H2O =>
Fe(s) + 4 HNO3(aq) = Fe(NO3)3 + NO + 2 H2O
Zn{2+} + [EDTA]{4-} = [ZnEDTA]{2-} =>
Zn{2+} + [EDTA]{4-} = [ZnEDTA]{2-}
Pb3O4 + Fe{2+} + H{+} = Pb{+2} + Fe{+3} + H2O =>
Pb3O4 + 2 Fe{2+} + 8 H{+} = 3 Pb{+2} + 2 Fe{+3} + 4 H2O
Cr2(SO4)3 + (NH4)2S + H2O = (NH4)2SO4 + Cr(OH)3 + H2S =>
Cr2(SO4)3 + 3(NH4)2S + 6 H2O = 3(NH4)2SO4 + 2 Cr(OH)3 + 3 H2S
CuSCN + KMnO4 + H2SO4 = MnSO4 + KCN + CuSO4 + K2SO4 + H2O =>
5 CuSCN + 7 KMnO4 + 8 H2SO4 = 7 MnSO4 + 5 KCN + 5 CuSO4 + K2SO4 + 8 H2O
CuCl3 + Zn = Cu + ZnCl2 =>
2 CuCl3 + 3 Zn = 2 Cu + 3 ZnCl2
CuO + MgBr2 = MgO2 + CuBr =>
2 CuO + MgBr2 = MgO2 + 2 CuBr
PbBr + Cl2 = PbCl2 + Br2 =>
2 PbBr + 2 Cl2 = 2 PbCl2 + Br2
Pt + H3PO4 = PtPO4 + H2 =>
2 Pt + 2 H3PO4 = 2 PtPO4 + 3 H2
Cr(OH)3 + H2O = Cr2O7 + H =>
2 Cr(OH)3 + H2O = Cr2O7 + 8 H
BaO + H2SO4 = BaSO4 + H2O =>
BaO + H2SO4 = BaSO4 + H2O
CH3COH + H2O = CH3COOH + H2 =>
CH3COH + H2O = CH3COOH + H2
Cr2(SO3)3 + Ba(CN)2 = Cr(CN)3 + BaSO3 =>
Cr2(SO3)3 + 3 Ba(CN)2 = 2 Cr(CN)3 + 3 BaSO3
NaBrO3 = NaBr + O3 =>
NaBrO3 = NaBr + O3
Na2CO3 + K3Fe(CN)6 = NaCN + K3Fe(CO3)3 =>
3 Na2CO3 + K3Fe(CN)6 = 6 NaCN + K3Fe(CO3)3
MgBr2 + AgNO3 = MgAg2 + BrNO3 =>
MgBr2 + 2 AgNO3 = MgAg2 + 2 BrNO3
MgCl2 + NaOH = MgOH + NaCl2 =>
MgCl2 + NaOH = MgOH + NaCl2
Zn + ClO3 = Zn(ClO3)2 =>
Zn + 2 ClO3 = Zn(ClO3)2
SO3 + LiOH = Li2SO4 + H2O =>
SO3 + 2 LiOH = Li2SO4 + H2O
Na + O2 = NaO2 =>
Na + O2 = NaO2
SiO2 + NaOH = Na2H2SiO4 =>
SiO2 + 2 NaOH = Na2H2SiO4
Na2S2O3 + AgCl = AgNaS2O3 + NaCl =>
Na2S2O3 + AgCl = AgNaS2O3 + NaCl
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
Zn(OH)2 + Ca(OH)2 = CaZnO2 + H2O =>
Zn(OH)2 + Ca(OH)2 = CaZnO2 + 2 H2O
BaCO3 + CdO + (NH4)2HPO4 = BaCdP2O7 + H2O + CO2 + NH3 =>
BaCO3 + CdO + 2(NH4)2HPO4 = BaCdP2O7 + 3 H2O + CO2 + 4 NH3
CCl3F + HBr = HCl + BrCl + CCl2F =>
2 CCl3F + HBr = HCl + BrCl + 2 CCl2F
TiCl4 + ZnCl2 + NaOH = ZnTiO3 + NaCl + H2O =>
TiCl4 + ZnCl2 + 6 NaOH = ZnTiO3 + 6 NaCl + 3 H2O
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
CH3C(CH3)CHCH3 + KMnO4 + H2O = (CH3)2C(OH)C(OH)(CH3)2 + MnO2 + KOH =>
18 CH3C(CH3)CHCH3 + 10 KMnO4 + 20 H2O = 15(CH3)2C(OH)C(OH)(CH3)2 + 10 MnO2 + 10 KOH
NaClO3 + KCl = KClO3 + NaCl =>
NaClO3 + KCl = KClO3 + NaCl
HfO = Hf + O2 =>
2 HfO = 2 Hf + O2
C6H5CH2OH + K2Cr2O7 + H2SO4 = C6H5COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H5CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 C6H5COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
KCl + Ba(OH)2 = BaCl2 + KOH =>
2 KCl + Ba(OH)2 = BaCl2 + 2 KOH
SrCO3 + KOH = Sr(OH)2 + K2CO3 =>
SrCO3 + 2 KOH = Sr(OH)2 + K2CO3
NaClO3 + KCl = KClO3 + NaCl =>
NaClO3 + KCl = KClO3 + NaCl
Pb + Cr3{+} = Pb2{+} + Cr =>
2 Pb + Cr3{+} = Pb2{+} + 3 Cr
Al2(SO4)3 + Mg = Al2 + MgSO4 =>
Al2(SO4)3 + 3 Mg = Al2 + 3 MgSO4
H2FeO = FeH2O =>
H2FeO = FeH2O
IO3 + NaHSO3 = I + SO4 + H + Na =>
IO3 + 3 NaHSO3 = I + 3 SO4 + 3 H + 3 Na
NaNO3 + MgCO3 = NaCO3 + MgNO3 =>
NaNO3 + MgCO3 = NaCO3 + MgNO3
NaHCO3 = Na2C2O6H2 =>
2 NaHCO3 = Na2C2O6H2
C20H14O4 + OH = C20H12O4 + H2O =>
C20H14O4 + 2 OH = C20H12O4 + 2 H2O
HNO3(aq) + Cu = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
8 HNO3(aq) + 3 Cu = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
KBr(aq) + Pb(NO3)2(aq) = PbBr2(s) + KNO3(aq) =>
2 KBr(aq) + Pb(NO3)2(aq) = PbBr2(s) + 2 KNO3(aq)
Co(CO3) = Co + CO3 =>
Co(CO3) = Co + CO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur07/11/24
Équations équilibrées sur08/10/23
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