| Équations équilibrées la veille | Équations équilibrées le lendemain |
CO3(aq) + 2 H(aq) = CO2(g) + H2O(l)
Fe2(SO4)3 + K(OH) = K2(SO4) + Fe(OH)3 =>
Fe2(SO4)3 + 6 K(OH) = 3 K2(SO4) + 2 Fe(OH)3
C17H35COONa + FeCl3 = (C17H35COO)3Fe + NaCl =>
3 C17H35COONa + FeCl3 = (C17H35COO)3Fe + 3 NaCl
Sr(NO3)2(aq) + (NH4)2SO4(aq) = SrSO4 + NH4NO3 =>
Sr(NO3)2(aq) + (NH4)2SO4(aq) = SrSO4 + 2 NH4NO3
(C6H5)2CO + C3H8O = C26H22O2 + C3H6O =>
2(C6H5)2CO + C3H8O = C26H22O2 + C3H6O
CaSiO3 + CaMgSiO4 = Ca2MgSi2O7 =>
CaSiO3 + CaMgSiO4 = Ca2MgSi2O7
Mg(s) + AgNO3(aq) = Mg(NO3)2(aq) + Ag(s) =>
Mg(s) + 2 AgNO3(aq) = Mg(NO3)2(aq) + 2 Ag(s)
CS2 + S8 = CS10 =>
CS2 + S8 = CS10
C6H6 + NaBr = C6H5Br + NaH =>
C6H6 + NaBr = C6H5Br + NaH
Ca(CH3CO2)2 + K3PO4 = KCH3CO2 + Ca3(PO4)2 =>
3 Ca(CH3CO2)2 + 2 K3PO4 = 6 KCH3CO2 + Ca3(PO4)2
Mg(s) + FeO(s) = MgO(s) + Fe(s) =>
Mg(s) + FeO(s) = MgO(s) + Fe(s)
Sr(NO3)2 + (NH4)2CO3 = SrCO3 + NH4NO3 =>
Sr(NO3)2 + (NH4)2CO3 = SrCO3 + 2 NH4NO3
Sn(OH)4 + H3(PO4) = Sn3(PO4)4 + H2O =>
3 Sn(OH)4 + 4 H3(PO4) = Sn3(PO4)4 + 12 H2O
C7H8 + Br2 = C7H7Br + HBr =>
C7H8 + Br2 = C7H7Br + HBr
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
C8H10 = C + CH4 =>
2 C8H10 = 11 C + 5 CH4
OH + Br2 = OBr + H2O =>
4 OH + Br2 = 2 OBr + 2 H2O
La{+3} + H2SO4 + NaOH = NaLa(SO4)2*H2O + Na{+} + H2O =>
La{+3} + 2 H2SO4 + 4 NaOH = NaLa(SO4)2*H2O + 3 Na{+} + 3 H2O
H2S + HIO3 = S + I + H2O =>
5 H2S + 2 HIO3 = 5 S + 2 I + 6 H2O
C5H4N4O3 + NaHCO3 = C5H3N4O3Na + CO2 + H2O =>
C5H4N4O3 + NaHCO3 = C5H3N4O3Na + CO2 + H2O
K2Cr2O7 + NaAsO2 + H2SO4 = Cr2(SO4)3 + K2SO4 + NaAsO4 + H2O =>
2 K2Cr2O7 + 3 NaAsO2 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 NaAsO4 + 8 H2O
Zn(NO3)2 + NaOH = Zn(OH)2 + NaNO3 =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 NaNO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaBrO + Fe(OH)2 + H2O = NaBr + Fe(OH)3 =>
NaBrO + 2 Fe(OH)2 + H2O = NaBr + 2 Fe(OH)3
Cu{2+} + Zn(s) = Cu(s) + Zn{2+} =>
Cu{2+} + Zn(s) = Cu(s) + Zn{2+}
SrCO3 + CH3COOH = Sr(C2H3O2)2 + H2O + CO2 =>
SrCO3 + 2 CH3COOH = Sr(C2H3O2)2 + H2O + CO2
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
CaBr2 + (NH4)2SO4 = CaSO4 + NH4Br =>
CaBr2 + (NH4)2SO4 = CaSO4 + 2 NH4Br
Sb2S3 + HNO3 + H2O = H3SbO4 + H2SO4 + NO =>
3 Sb2S3 + 28 HNO3 + 4 H2O = 6 H3SbO4 + 9 H2SO4 + 28 NO
sodiumcarbonate + chromium(II)bromide = sodiumbromide + chromium(II)carbonate =>
Na2CO3 + CrBr2 = 2 NaBr + CrCO3
C6H6 + I2 = C6H6I6 =>
C6H6 + 3 I2 = C6H6I6
SiO2(s) + Na2CO3(s) = Na2SiO3(s) + CO2(g) =>
SiO2(s) + Na2CO3(s) = Na2SiO3(s) + CO2(g)
N2O5 + H2S = NO2 + H2SO4 =>
4 N2O5 + H2S = 8 NO2 + H2SO4
C4H6O6 + Na2CO3 = CO2 + H2O + Na2C4H4O6 =>
C4H6O6 + Na2CO3 = CO2 + H2O + Na2C4H4O6
Cr + Cu(OH)2 = Cr(OH)3 + Cu =>
2 Cr + 3 Cu(OH)2 = 2 Cr(OH)3 + 3 Cu
Na(OH)3 + HCl = NaCl3 + H2O =>
Na(OH)3 + 3 HCl = NaCl3 + 3 H2O
H2SO3 + NaClO = H2SO4 + NaCl =>
H2SO3 + NaClO = H2SO4 + NaCl
H2SO3 + NaClO3 = H2SO4 + NaCl =>
3 H2SO3 + NaClO3 = 3 H2SO4 + NaCl
N2(g) + H2O(g) + Cr2O3(s) = (NH4)2Cr2O7(s) =>
N2(g) + 4 H2O(g) + Cr2O3(s) = (NH4)2Cr2O7(s)
H6C6 + O2 = CO2 + H2O =>
2 H6C6 + 15 O2 = 12 CO2 + 6 H2O
NaNO3(aq) + AgCl(s) = NaCl(aq) + AgNO3(aq) =>
NaNO3(aq) + AgCl(s) = NaCl(aq) + AgNO3(aq)
MgCO3 + H2SO4 = MgHSO4 + HCO3 =>
MgCO3 + H2SO4 = MgHSO4 + HCO3
C4H8O2 + H2O = C2H4O2 + H2 =>
C4H8O2 + 2 H2O = 2 C2H4O2 + 2 H2
CoSO4*7H2O + NH4SCN + HgCl2 = Hg[Co(SCN)4] + NH4{+} + Cl{-} + SO4{2-} + H2O =>
CoSO4*7H2O + 4 NH4SCN + HgCl2 = Hg[Co(SCN)4] + 4 NH4{+} + 2 Cl{-} + SO4{2-} + 7 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BrO3{-} + As{3+} + H2O = Br{-} + AsO4{3-} + H{+} =>
BrO3{-} + 3 As{3+} + 9 H2O = Br{-} + 3 AsO4{3-} + 18 H{+}
C2H5OH + C3H7COOH = C3H7COOC2H5 + H2O =>
C2H5OH + C3H7COOH = C3H7COOC2H5 + H2O
ZnSO4 + Cu(NO3)2 = CuSO4 + Zn(NO3)2 =>
ZnSO4 + Cu(NO3)2 = CuSO4 + Zn(NO3)2
Ca(OH)2 + HCl = H2O + CaCl2 =>
Ca(OH)2 + 2 HCl = 2 H2O + CaCl2
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