| Équations équilibrées la veille |
2 C2H4O2 + MgO = Mg(CH3COO)2 + H2O
Na2SiO3 + H2O + CO2 = Na2CO3 + H2SiO3 =>
Na2SiO3 + H2O + CO2 = Na2CO3 + H2SiO3
Cr + HNO3 + Ca(OH)3 = Cr(NO3)3 + H3O + CaO =>
Cr + 3 HNO3 + Ca(OH)3 = Cr(NO3)3 + 2 H3O + CaO
(CH3)2CHNH2 + O2 = CO2 + N2 + H2O =>
4(CH3)2CHNH2 + 21 O2 = 12 CO2 + 2 N2 + 18 H2O
NH4OHHCl = NH4ClHOH =>
NH4OHHCl = NH4ClHOH
HIO2 + NaOH = NaO2 + HIOH =>
HIO2 + NaOH = NaO2 + HIOH
Fe2O3 + F = FeF + O =>
Fe2O3 + 2 F = 2 FeF + 3 O
SIO2 + H2O = H4SIO4 =>
SIO2 + 2 H2O = H4SIO4
(NH4)Cl + Ba(NO3)2 = BaCl2 + (NH4)(NO3) =>
2(NH4)Cl + Ba(NO3)2 = BaCl2 + 2(NH4)(NO3)
Be(NO3)2 + H3PO4 = HNO3 + Be3(PO4)2 =>
3 Be(NO3)2 + 2 H3PO4 = 6 HNO3 + Be3(PO4)2
C4H8 + K2Cr2O7 + H2SO4 = C4H8O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C4H8 + 2 K2Cr2O7 + 8 H2SO4 = 3 C4H8O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 8 H2O
C3H7ClNaOH = C3H6NaClH2O =>
C3H7ClNaOH = C3H6NaClH2O
PB(NO3)2(aq) + H2SO4 = PBSO4(s) + HNO3(aq)(aq) =>
PB(NO3)2(aq) + H2SO4 = PBSO4(s) + 2 HNO3(aq)(aq)
CrCl3 + NH3*H2O = Cr(OH)3 + NH4Cl =>
CrCl3 + 3 NH3*H2O = Cr(OH)3 + 3 NH4Cl
K + H2 + PO4 = KH2PO4 =>
K + H2 + PO4 = KH2PO4
Cl2(g) + H2O(l) = HCl + O2 =>
2 Cl2(g) + 2 H2O(l) = 4 HCl + O2
K2SO4 + C4H6BaO4 = BaSO4 + CH3CO2K =>
K2SO4 + C4H6BaO4 = BaSO4 + 2 CH3CO2K
Sn(OH)2 + Na2CO3 = SnCO3 + NaOH =>
Sn(OH)2 + Na2CO3 = SnCO3 + 2 NaOH
H2SO4 + NaCO3 = NaSO4 + H2O + CO2 =>
H2SO4 + NaCO3 = NaSO4 + H2O + CO2
BaCl2 + ZnS = BaS + ZnCl2 =>
BaCl2 + ZnS = BaS + ZnCl2
CdF2 + CaI2 = CdI2 + CaF2 =>
CdF2 + CaI2 = CdI2 + CaF2
NH3 + CO2 = NH2CONH2 + H2O =>
2 NH3 + CO2 = NH2CONH2 + H2O
FeCO3 + HBr = FeBr2 + H2CO3 =>
FeCO3 + 2 HBr = FeBr2 + H2CO3
Zn + KClO3 + KOH + H2O = K2[Zn(OH)4] + KCl =>
3 Zn + KClO3 + 6 KOH + 3 H2O = 3 K2[Zn(OH)4] + KCl
Sn2 + IO4{-} + H{+} = Sn4{+} + I{-} + H2O =>
16 Sn2 + IO4{-} + 8 H{+} = 8 Sn4{+} + I{-} + 4 H2O
CUO2H2SO4 = CUSO4H2O2 =>
CUO2H2SO4 = CUSO4H2O2
Cu(OH)2(s) + NaOH(aq) = [Cu(OH)4](s) + Na(aq) =>
Cu(OH)2(s) + 2 NaOH(aq) = [Cu(OH)4](s) + 2 Na(aq)
Cu2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + Cu2SO4 + H2O =>
3 Cu2S + 4 K2Cr2O7 + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 3 Cu2SO4 + 16 H2O
Pb(aq) + Na2CO3(aq) = Pb2CO3 + Na(aq) =>
2 Pb(aq) + Na2CO3(aq) = Pb2CO3 + 2 Na(aq)
CH3Cl + Na + C2H3Cl = C3H8 + NaCl =>
7 CH3Cl + 8 Na + C2H3Cl = 3 C3H8 + 8 NaCl
Fe + S = FeS =>
Fe + S = FeS
Cr2O3 + NaOH = Cr(OH)3 + Na2O =>
Cr2O3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2O
BaCl + NH4CO3 = BaCO3 + NH4Cl =>
BaCl + NH4CO3 = BaCO3 + NH4Cl
LiOH + K{3}PO{4} = KOH + Li{3}PO{4} =>
LiOH + K{3}PO{4} = KOH + Li{3}PO{4}
ClO{-} + I2 + OH{-} = Cl{-} + IO3{-} + H2O =>
5 ClO{-} + I2 + 2 OH{-} = 5 Cl{-} + 2 IO3{-} + H2O
LiCl + K3PO4 = Li3PO4 + KCl =>
3 LiCl + K3PO4 = Li3PO4 + 3 KCl
Pr + H = PrH =>
Pr + H = PrH
OF2S = SO2SF4 =>
2 OF2S = SO2SF4
PbCl{+2} + AgNO{+3} = AgCl + Pb(NO{+3}){+2} =>
PbCl{+2} + AgNO{+3} = AgCl + Pb(NO{+3}){+2}
MgCl2 + K(OH) = MgCl2KOH =>
MgCl2 + K(OH) = MgCl2KOH
KMnO4 + KBr + KOH = K2MnO4 + H2O + KBrO3 =>
6 KMnO4 + KBr + 6 KOH = 6 K2MnO4 + 3 H2O + KBrO3
Cs2O2 + H2O = Cs(OH)2 =>
Cs2O2 + 2 H2O = 2 Cs(OH)2
N2O5 + NaOH = N2NaO6H =>
N2O5 + NaOH = N2NaO6H
HCl + Fe(OH)3 = H2O + Cl + Fe3 =>
9 HCl + 3 Fe(OH)3 = 9 H2O + 9 Cl + Fe3
Ln2S3 + Ca3(PO4)2 = LnPO4 + CaS =>
Ln2S3 + Ca3(PO4)2 = 2 LnPO4 + 3 CaS
C8H5CH3 + O2 = C6H5CHO + H2O =>
7 C8H5CH3 + 5 O2 = 9 C6H5CHO + H2O
Si + SiF4 = SiF2 =>
Si + SiF4 = 2 SiF2
CaCl2 + H2SO4 = CaSO4 + H + Cl =>
CaCl2 + H2SO4 = CaSO4 + 2 H + 2 Cl
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
H2O2 + KI = HI + O2 + K =>
H2O2 + 2 KI = 2 HI + O2 + 2 K
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Équations équilibrées sur11/23/24
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