| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CuI + O2 = 2 CuO + I2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
H3CCOOH + CH3OH = H3CCOOCH3 + H2O =>
H3CCOOH + CH3OH = H3CCOOCH3 + H2O
CHO = CH3OH + CO =>
4 CHO = CH3OH + 3 CO
Al(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2(g) =>
2 Al(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2(g)
{-}methyl{-}2{-}butanol = {-}methyl{-}2{-}butene =>
{-}methyl{-}2{-}butanol = {-}methyl{-}2{-}butene
(MgOH)2CO3 + NH4Cl = NH4HCO3 + H2O + NH3 + MgCl2 =>
(MgOH)2CO3 + 4 NH4Cl = NH4HCO3 + 2 H2O + 3 NH3 + 2 MgCl2
C3H7I = C3H6 + HI =>
C3H7I = C3H6 + HI
CH3COOH + HOC3H7 = CH3COOC3H7 + H2O =>
CH3COOH + HOC3H7 = CH3COOC3H7 + H2O
VCl3(s) + O2(g) = VOCl3 =>
2 VCl3(s) + O2(g) = 2 VOCl3
NH2C6H4SO2NH2 + NaNO2 + H2SO4 = NH2C6H4SO2NNHSO4 + H2O + Na2SO4 =>
2 NH2C6H4SO2NH2 + 2 NaNO2 + 3 H2SO4 = 2 NH2C6H4SO2NNHSO4 + 4 H2O + Na2SO4
KMnO4 + H2SO4 + FeSO = K2SO4 + Fe2(SO4)3 + MnSO4 + H2O =>
14 KMnO4 + 26 H2SO4 + 10 FeSO = 7 K2SO4 + 5 Fe2(SO4)3 + 14 MnSO4 + 26 H2O
Mg3N2 + F2 = MgF2 + N2 =>
Mg3N2 + 3 F2 = 3 MgF2 + N2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Cr(NO3)3 + C4H6O6 = Cr4(C4O6)3 + HNO3 + H =>
4 Cr(NO3)3 + 3 C4H6O6 = Cr4(C4O6)3 + 12 HNO3 + 6 H
Zn + HCl + K2Cr2O7 = KCl + ZnCl2 + CrCl3 + H2O =>
3 Zn + 14 HCl + K2Cr2O7 = 2 KCl + 3 ZnCl2 + 2 CrCl3 + 7 H2O
Cu + H2SO4 = Cu2(SO4)3 + SO2 + H2O =>
2 Cu + 6 H2SO4 = Cu2(SO4)3 + 3 SO2 + 6 H2O
Fe(OH)2 + H2S2O3 = FeS2O3 + H2O =>
Fe(OH)2 + H2S2O3 = FeS2O3 + 2 H2O
Fe(CN)3(s) + H2SO4(aq) = Fe2(SO4)3(aq) + HCN(aq) =>
2 Fe(CN)3(s) + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 6 HCN(aq)
KrCr2O7 = Kr + (Cr2O7)2 =>
2 KrCr2O7 = 2 Kr + (Cr2O7)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
O2 + Fe(NO2)3 = Fe(NO3)3 =>
3 O2 + 2 Fe(NO2)3 = 2 Fe(NO3)3
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
FeCl3 + NOH = Fe(OH)3 + NCl =>
FeCl3 + 3 NOH = Fe(OH)3 + 3 NCl
Fe(NO3)3 + KI = FeI3 + KNO3(aq) =>
Fe(NO3)3 + 3 KI = FeI3 + 3 KNO3(aq)
NiCl2 + Na2CO3 = NiCO3 + Na2Cl2 =>
NiCl2 + Na2CO3 = NiCO3 + Na2Cl2
Pb3O4 + HCl = PbCl2 + H2O + ClO2 =>
5 Pb3O4 + 32 HCl = 15 PbCl2 + 16 H2O + 2 ClO2
KCN + Ag + O2 + H2O = K[Ag(CN)2] + KOH =>
8 KCN + 4 Ag + O2 + 2 H2O = 4 K[Ag(CN)2] + 4 KOH
Na3PO4 + KCl = K3PO4 + NaCl =>
Na3PO4 + 3 KCl = K3PO4 + 3 NaCl
HIn(aq) + H2O(l) = H3O{+}(aq) + In{-}(aq) =>
HIn(aq) + H2O(l) = H3O{+}(aq) + In{-}(aq)
Zn + H2S = Zn2S + H2 =>
2 Zn + H2S = Zn2S + H2
H2C2O4*2H2O + K2Cr2O7 = K2C2O4 + Cr2(C2O4)3 + CO2 + H2O =>
7 H2C2O4*2H2O + K2Cr2O7 = K2C2O4 + Cr2(C2O4)3 + 6 CO2 + 21 H2O
HClCH2CO2 + NaOH = NaClCH2CO2 + H2O =>
HClCH2CO2 + NaOH = NaClCH2CO2 + H2O
AgNO3 + HCl = Cl2 + AgCl + NO2 + H2O =>
2 AgNO3 + 4 HCl = Cl2 + 2 AgCl + 2 NO2 + 2 H2O
Cr(NO3)3 + NaOH + H2O2 = H2O + Cr2O7 + Na(NO3)2 =>
4 Cr(NO3)3 + 6 NaOH + 11 H2O2 = 14 H2O + 2 Cr2O7 + 6 Na(NO3)2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Al + H2CO3 = Al2(CO3)3 + H2 =>
2 Al + 3 H2CO3 = Al2(CO3)3 + 3 H2
NH4ClAgOCN = AgClNH4OCN =>
NH4ClAgOCN = AgClNH4OCN
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
CH2O + SO4 = CO2 + H2O + H2S =>
5 CH2O + 2 SO4 = 5 CO2 + 3 H2O + 2 H2S
Fe2(SO4)3 + Na2SiO3 = Fe2(SiO3)3 + Na2SO4 =>
Fe2(SO4)3 + 3 Na2SiO3 = Fe2(SiO3)3 + 3 Na2SO4
C2H3O2(aq) + K2CO3(aq) = H2O(l) + CO2(g) + KC2H3O2(aq) =>
16 C2H3O2(aq) + 7 K2CO3(aq) = 3 H2O(l) + 11 CO2(g) + 14 KC2H3O2(aq)
C6H8O6 + O2 = C6H5O6 + H2O =>
4 C6H8O6 + 3 O2 = 4 C6H5O6 + 6 H2O
Ag2S + NH3 + H2O = (Ag(NH3)2){+} + HS{-} + OH{-} =>
Ag2S + 4 NH3 + H2O = 2(Ag(NH3)2){+} + HS{-} + OH{-}
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
AgOH(s) = Ag2O(s) + H2O(aq) =>
2 AgOH(s) = Ag2O(s) + H2O(aq)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KHCO3 + HNO3 = KNO3 + H2O + CO2 =>
KHCO3 + HNO3 = KNO3 + H2O + CO2
Al2(SO4)3 + NaCl = AlCl3 + Na2SO4 =>
Al2(SO4)3 + 6 NaCl = 2 AlCl3 + 3 Na2SO4
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