| Équations équilibrées la veille |
C4H6O4 + 2 NaOH = Na2C4H4O4 + 2 H2O
Ag2CrO4 + HNO3 = AgNO3 + H2Cr2O7 + H2O =>
2 Ag2CrO4 + 4 HNO3 = 4 AgNO3 + H2Cr2O7 + H2O
Pb + KOH = K2PbO2 + H2 =>
Pb + 2 KOH = K2PbO2 + H2
Sb2S3 + NaOH = Na3SbS3 + Na3SbO3 + H2O =>
Sb2S3 + 6 NaOH = Na3SbS3 + Na3SbO3 + 3 H2O
HClO4 + CH3COOH = ClO4{-} + CH3COOH2{+} =>
HClO4 + CH3COOH = ClO4{-} + CH3COOH2{+}
AlOH(NO3)2 + H2SO4 = Al(NO3)3 + Al2(SO4)3 + H2O =>
6 AlOH(NO3)2 + 3 H2SO4 = 4 Al(NO3)3 + Al2(SO4)3 + 6 H2O
SiO2(s) + C(s) = SiC(s) + CO(g) =>
SiO2(s) + 3 C(s) = SiC(s) + 2 CO(g)
Sn(s) + HF(aq) = SnF2(s) + H2(g) =>
Sn(s) + 2 HF(aq) = SnF2(s) + H2(g)
Cu + Fe2(SO4)3 = Cu2SO4 + Fe =>
6 Cu + Fe2(SO4)3 = 3 Cu2SO4 + 2 Fe
FeS + CS2 = FeC + S2 =>
2 FeS + 2 CS2 = 2 FeC + 3 S2
Li + Ni = LiNi =>
Li + Ni = LiNi
H(g) + O(g) = H2O(l) =>
2 H(g) + O(g) = H2O(l)
Fe(HCO3)3 = Fe(OH)3 + CO2 =>
Fe(HCO3)3 = Fe(OH)3 + 3 CO2
Na(s) + H2O = NaOH + H2(g) =>
2 Na(s) + 2 H2O = 2 NaOH + H2(g)
Na2SO4 + NaCl = ClSO4 + Na =>
Na2SO4 + NaCl = ClSO4 + 3 Na
Fe(CN)6{4-} + MnO4{-} + H{+} = Fe{3+} + CO2 + NO3{-} + Mn{2+} + H2O =>
5 Fe(CN)6{4-} + 61 MnO4{-} + 188 H{+} = 5 Fe{3+} + 30 CO2 + 30 NO3{-} + 61 Mn{2+} + 94 H2O
C4H5N3O + O2 = CO2 + H2O + N3 =>
4 C4H5N3O + 19 O2 = 16 CO2 + 10 H2O + 4 N3
Fe2O3 + CaO = Ca(FeO2)2 =>
Fe2O3 + CaO = Ca(FeO2)2
LiNO3 + Al = Al(NO3)3 + Li =>
3 LiNO3 + Al = Al(NO3)3 + 3 Li
Br + LiOH = LiBr + LiBrO3 + H2O =>
6 Br + 6 LiOH = 5 LiBr + LiBrO3 + 3 H2O
Co2O3 + CO = Co + CO2 =>
Co2O3 + 3 CO = 2 Co + 3 CO2
Be(OH)2 + NaOH = Na2[Be(OH)4] =>
Be(OH)2 + 2 NaOH = Na2[Be(OH)4]
NH4 + Mg + PO4 = NH4MgPO4 =>
NH4 + Mg + PO4 = NH4MgPO4
Cu(s) + O2(g) = CuO(s) =>
2 Cu(s) + O2(g) = 2 CuO(s)
Ne + N2 = NeN =>
2 Ne + N2 = 2 NeN
NaHSO4 + Ca(OH)2 = NaOH + Ca(HSO4)2 =>
2 NaHSO4 + Ca(OH)2 = 2 NaOH + Ca(HSO4)2
SrF2 + H2O = Sr(OH)2 + HF =>
SrF2 + 2 H2O = Sr(OH)2 + 2 HF
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Cr + OH = Cr2O7 + H2O =>
2 Cr + 14 OH = Cr2O7 + 7 H2O
FeCl3 + Na2S + H2O = Fe(OH)3 + NaHS + NaCl =>
FeCl3 + 3 Na2S + 3 H2O = Fe(OH)3 + 3 NaHS + 3 NaCl
PbO + H2SO4 = PbSO4 + H2O =>
PbO + H2SO4 = PbSO4 + H2O
Al(OH)3 + KOH = K3AlO3 + H2O =>
Al(OH)3 + 3 KOH = K3AlO3 + 3 H2O
HCNS + KMnO4 + H2SO4 = MnSO4 + K2SO4 + HCN + H2O =>
5 HCNS + 6 KMnO4 + 4 H2SO4 = 6 MnSO4 + 3 K2SO4 + 5 HCN + 4 H2O
Cl2 + Br2 + KOH = KCl + KBrO3 + H2O =>
5 Cl2 + Br2 + 12 KOH = 10 KCl + 2 KBrO3 + 6 H2O
PCl5(s) + H2O(l) = H3PO4(aq) + HCl(aq) =>
PCl5(s) + 4 H2O(l) = H3PO4(aq) + 5 HCl(aq)
CuFeS2 + O2 = Cu2S + Fe2O3 + SO2 =>
4 CuFeS2 + 9 O2 = 2 Cu2S + 2 Fe2O3 + 6 SO2
NO3 + H2 = NH3 + H2O =>
2 NO3 + 9 H2 = 2 NH3 + 6 H2O
Li + SO3 = Li2SO3 =>
2 Li + SO3 = Li2SO3
NH3 + CoCl2 = CoH3 + NCl2 =>
NH3 + CoCl2 = CoH3 + NCl2
Zn + NO3{-} + H2O = Zn{+2} + NH3 + OH{-} =>
4 Zn + NO3{-} + 6 H2O = 4 Zn{+2} + NH3 + 9 OH{-}
Sn(NO3)2 + K2S = KNO3 + SnS =>
Sn(NO3)2 + K2S = 2 KNO3 + SnS
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
ZnBr2 + Ca(OH)2 = Zn(OH)2 + CaBr2 =>
ZnBr2 + Ca(OH)2 = Zn(OH)2 + CaBr2
(NH4)2CO3 + CaCl2 = (NH4)2Cl2 + CaCO3 =>
(NH4)2CO3 + CaCl2 = (NH4)2Cl2 + CaCO3
Li + CuF2 = CuLi2 + F2 =>
2 Li + CuF2 = CuLi2 + F2
CuO + KOH = K2CuO2 + H2O =>
CuO + 2 KOH = K2CuO2 + H2O
H2S + K2CrO7 + H2SO4 = K2SO4 + Cr(SO4)3 + H2O =>
3 H2S + 4 K2CrO7 + 13 H2SO4 = 4 K2SO4 + 4 Cr(SO4)3 + 16 H2O
BaSO3 + C = BaS + CO2 =>
2 BaSO3 + 3 C = 2 BaS + 3 CO2
Al(ClO3)3 = AlCl3 + O2 =>
2 Al(ClO3)3 = 2 AlCl3 + 9 O2
CaC2O4 + HCl = CaCl2 + Ca(HC2O4)2 =>
2 CaC2O4 + 2 HCl = CaCl2 + Ca(HC2O4)2
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Équations équilibrées sur10/23/24
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