| Équations équilibrées la veille |
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AlCl3 + NH4F = AlF3 + NH4Cl =>
AlCl3 + 3 NH4F = AlF3 + 3 NH4Cl
CaSO4 + H2PO4 = Ca(H2PO4) + SO4 =>
CaSO4 + H2PO4 = Ca(H2PO4) + SO4
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
C2H5NH2HCl = C2H5NH3Cl =>
C2H5NH2HCl = C2H5NH3Cl
Ca + H2O = Ca{+2} + H2 + OH{-} =>
Ca + 2 H2O = Ca{+2} + H2 + 2 OH{-}
Ca(OH)2(aq) + Na2CO3(aq) = CaCO3(s) + NaOH(aq) =>
Ca(OH)2(aq) + Na2CO3(aq) = CaCO3(s) + 2 NaOH(aq)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
P2O3 + H2O = H2PO4 + H2PO =>
P2O3 + 2 H2O = H2PO4 + H2PO
Mg(OH)2 + H2CO3 = H2O + MgCO3 =>
Mg(OH)2 + H2CO3 = 2 H2O + MgCO3
C7H6O3 + NaOH = C7H5O3Na + H2O =>
C7H6O3 + NaOH = C7H5O3Na + H2O
H3(PO4) + Na(OH) = Na3(PO4) + H2O =>
H3(PO4) + 3 Na(OH) = Na3(PO4) + 3 H2O
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
C7H5N3O6 + HClO4 = CO2 + H2O + N2 + Cl2 =>
2 C7H5N3O6 + 6 HClO4 = 14 CO2 + 8 H2O + 3 N2 + 3 Cl2
KI + KIO3 + H2S = I2 + K2SO4 + H2O =>
KI + 5 KIO3 + 3 H2S = 3 I2 + 3 K2SO4 + 3 H2O
Pb(NO3)2 = PbNO2 + NO2 + O3 =>
3 Pb(NO3)2 = 3 PbNO2 + 3 NO2 + 2 O3
Na2C2O4 + SrCl2 = Na2Cl2 + SrC2O4 =>
Na2C2O4 + SrCl2 = Na2Cl2 + SrC2O4
Ag(NO3) = Ag + NO3 =>
Ag(NO3) = Ag + NO3
ZnCl2 + NH3 = Zn(NH3)2 + Cl =>
ZnCl2 + 2 NH3 = Zn(NH3)2 + 2 Cl
KI + HNO2 + H2SO4 = I2 + K2SO4 + H2O + NO =>
2 KI + 2 HNO2 + H2SO4 = I2 + K2SO4 + 2 H2O + 2 NO
K(NO3)3 = K(NO2)3 + O2 =>
2 K(NO3)3 = 2 K(NO2)3 + 3 O2
ZnO2{-2} + H{+} = Zn{2+} + H2O =>
ZnO2{-2} + 4 H{+} = Zn{2+} + 2 H2O
SI + HNO3 = SIO2 + H2O + N2O =>
2 SI + 2 HNO3 = 2 SIO2 + H2O + N2O
CaO = Ca + O2 =>
2 CaO = 2 Ca + O2
FeCl3 + KSCN = Fe[Fe(SCN)6] + KCl =>
2 FeCl3 + 6 KSCN = Fe[Fe(SCN)6] + 6 KCl
C6H12(l) + O2(g) = CO2(g) + H2O(g) =>
C6H12(l) + 9 O2(g) = 6 CO2(g) + 6 H2O(g)
NaNO3 + Al + KOH + H2O = NH3 + K3[Al(OH)6] + Na3[Al(OH)6] =>
3 NaNO3 + 8 Al + 21 KOH + 18 H2O = 3 NH3 + 7 K3[Al(OH)6] + Na3[Al(OH)6]
Co{2+} + SCN{-} = Co(SCN)4{2-} =>
Co{2+} + 4 SCN{-} = Co(SCN)4{2-}
IO3 + H2O = H5IO6 + H3O =>
IO3 + 4 H2O = H5IO6 + H3O
FeCl3 + Na = FeCl2 + NaCl =>
FeCl3 + Na = FeCl2 + NaCl
H2S + PbO = PbS + H2O =>
H2S + PbO = PbS + H2O
Sn + MgCl2 = SnCl4 + Mg =>
Sn + 2 MgCl2 = SnCl4 + 2 Mg
O3 = O2 =>
2 O3 = 3 O2
NH4I(aq) + NaOH(aq) = NaI(aq) + NH4OH(g) =>
NH4I(aq) + NaOH(aq) = NaI(aq) + NH4OH(g)
MgCO3 + CH3COOH = Mg(CH3COO)2 + CO2 + H2O =>
MgCO3 + 2 CH3COOH = Mg(CH3COO)2 + CO2 + H2O
NaH2O = H + NaOH =>
NaH2O = H + NaOH
K2CrO4 + SnCl2 + H2SO4 = CrCl3 + Sn(SO4)2 + H2O + K2SO4 =>
2 K2CrO4 + 3 SnCl2 + 8 H2SO4 = 2 CrCl3 + 3 Sn(SO4)2 + 8 H2O + 2 K2SO4
Pb(NO3)2(aq) + KF(aq) = PbF2 + KNO3() =>
Pb(NO3)2(aq) + 2 KF(aq) = PbF2 + 2 KNO3()
Ca(OH)2 + SO2 = CaSO4 + H2 =>
Ca(OH)2 + SO2 = CaSO4 + H2
(Al(OH)3) + (H2SO4) = Al2(SO4)3 + (H2O) =>
2(Al(OH)3) + 3(H2SO4) = Al2(SO4)3 + 6(H2O)
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
CH3(CH2)10CH2OH + O2 = CO2 + H2O =>
CH3(CH2)10CH2OH + 18 O2 = 12 CO2 + 13 H2O
C6H5MgBr + CO2 + H2O = C6H5COOH + MgBrOH =>
C6H5MgBr + CO2 + H2O = C6H5COOH + MgBrOH
Zn{2+} + H2S = ZnS + H{+} =>
Zn{2+} + H2S = ZnS + 2 H{+}
Cr2O7{-2} + H2SO3 + H{+} = Cr{+3} + HSO4 + H2O =>
Cr2O7{-2} + 2 H2SO3 + 8 H{+} = 2 Cr{+3} + 2 HSO4 + 5 H2O
KClO3 + H2SO4 = KHSO4 + O2 + ClO2 + H2 =>
2 KClO3 + 2 H2SO4 = 2 KHSO4 + O2 + 2 ClO2 + H2
CUSO4 = CUO + SO3 =>
CUSO4 = CUO + SO3
IO2F + BrF3 = IF3 + Br2 + O2 =>
3 IO2F + 2 BrF3 = 3 IF3 + Br2 + 3 O2
KMnO4 + O2 = KMnO6 =>
KMnO4 + O2 = KMnO6
(NH4)2[Fe(H2O)2(SO4)2]*6H2O + H2C2O4*2H2O = [FeC2O4]*2H2O + H2SO4 + (NH4)2SO4 + H2O =>
(NH4)2[Fe(H2O)2(SO4)2]*6H2O + H2C2O4*2H2O = [FeC2O4]*2H2O + H2SO4 + (NH4)2SO4 + 8 H2O
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