| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaBr + NH4OH = NH4Br + NaOH
Fe(NO3)2 + O2 = NO3 + Fe2O3 =>
4 Fe(NO3)2 + 3 O2 = 8 NO3 + 2 Fe2O3
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Zn + HBrO3 = Zn(BrO3)2 + H2 =>
Zn + 2 HBrO3 = Zn(BrO3)2 + H2
(NH4)2SO4(s) + NaOH(aq) = Na2SO4(aq) + H2O(l) + NH3(g) =>
(NH4)2SO4(s) + 2 NaOH(aq) = Na2SO4(aq) + 2 H2O(l) + 2 NH3(g)
KIO3 + Ca(NO3)2*4H2O = Ca(IO3)2 + KNO3 + H2O =>
2 KIO3 + Ca(NO3)2*4H2O = Ca(IO3)2 + 2 KNO3 + 4 H2O
Mg3N2 + H2O = Mg(OH)2 + NH4 + O2 =>
2 Mg3N2 + 14 H2O = 6 Mg(OH)2 + 4 NH4 + O2
Ag3PO3 + H2SO4 = Ag2SO4 + H3PO3 =>
2 Ag3PO3 + 3 H2SO4 = 3 Ag2SO4 + 2 H3PO3
Mg + C6H8O7 = C6H6O7Mg + H2 =>
Mg + C6H8O7 = C6H6O7Mg + H2
Mg + Na3PO4 = Mg3(PO4)2 + Na =>
3 Mg + 2 Na3PO4 = Mg3(PO4)2 + 6 Na
(Na)2TeO3 + NaI + HCl = NaCl + Te + H2O + I2 =>
(Na)2TeO3 + 4 NaI + 6 HCl = 6 NaCl + Te + 3 H2O + 2 I2
ZnSO4 + Ca(NO3)2 = Zn(NO3)2 + Ca(SO4) =>
ZnSO4 + Ca(NO3)2 = Zn(NO3)2 + Ca(SO4)
H2CO2 + Mg = Mg(HCOO) + H2 =>
2 H2CO2 + 2 Mg = 2 Mg(HCOO) + H2
BeO + NaOH + H2O = Na2[Be(OH)4] =>
BeO + 2 NaOH + H2O = Na2[Be(OH)4]
Hg2 + (CO3)2 = Hg2(CO3)2 =>
Hg2 + (CO3)2 = Hg2(CO3)2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH3NO2 + O2 = CO2 + N2 + H2O =>
4 CH3NO2 + 3 O2 = 4 CO2 + 2 N2 + 6 H2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
C7H5Cl3 + H2O = C7H5OCl + HCl =>
C7H5Cl3 + H2O = C7H5OCl + 2 HCl
NaCl + LiBr = LiCl + NaBr =>
NaCl + LiBr = LiCl + NaBr
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
Mn(NO3)2 + Pb3O4 + HNO3 = Pb(NO3)2 + Pb(MnO4)2 + H2O =>
2 Mn(NO3)2 + 5 Pb3O4 + 24 HNO3 = 14 Pb(NO3)2 + Pb(MnO4)2 + 12 H2O
Cr2O7 + J{-} + H{+} = Cr + J2 + H2O =>
Cr2O7 + 14 J{-} + 14 H{+} = 2 Cr + 7 J2 + 7 H2O
TlBr + Br2 = TlBr2 =>
2 TlBr + Br2 = 2 TlBr2
CaS + NaNO3 = Na2S + Ca(NO3)2 =>
CaS + 2 NaNO3 = Na2S + Ca(NO3)2
Mg + Au(CN)2 = Mg(CN)2 + Au =>
Mg + Au(CN)2 = Mg(CN)2 + Au
KCl(s) + CaBr2(s) = KBr + CaCl2 =>
2 KCl(s) + CaBr2(s) = 2 KBr + CaCl2
(C4H10) + O2 = CO2 + H2O =>
2(C4H10) + 13 O2 = 8 CO2 + 10 H2O
AgNO3 + FeCl3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = 3 AgCl + Fe(NO3)3
Mg3(PO4)2 + In2(C2O4)3 = MgC2O4 + InPO4 =>
Mg3(PO4)2 + In2(C2O4)3 = 3 MgC2O4 + 2 InPO4
MgBr2(aq) + NaOH(aq) = Mg(OH)2 + NaBr(aq) =>
MgBr2(aq) + 2 NaOH(aq) = Mg(OH)2 + 2 NaBr(aq)
(NH4)2SO4(aq) + Ba(NO3)2(aq) = BaSO4 + NH4NO3 =>
(NH4)2SO4(aq) + Ba(NO3)2(aq) = BaSO4 + 2 NH4NO3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
CuBr2 + FeCl2 = CuCl2 + FeBr2 =>
CuBr2 + FeCl2 = CuCl2 + FeBr2
Sb + KOH = SbOH + K =>
Sb + KOH = SbOH + K
C21H44 + O2 = CO + H2O =>
2 C21H44 + 43 O2 = 42 CO + 44 H2O
K2Cr2O7 + C2H5OH + H2SO4 = Cr(SO4) + CH3COOH + K2SO4 + H2O =>
K2Cr2O7 + 2 C2H5OH + 3 H2SO4 = 2 Cr(SO4) + 2 CH3COOH + K2SO4 + 5 H2O
C12H26 = C8H18 + C2H4 =>
C12H26 = C8H18 + 2 C2H4
H2CO3 + CaO2 = CaCO3 + H2O2 =>
H2CO3 + CaO2 = CaCO3 + H2O2
Zn + PbNo{3} = ZnNo{3} + Pb =>
Zn + PbNo{3} = ZnNo{3} + Pb
C2H5NH2(g) + O2(g) = CO2(g) + H2O(g) + N2 =>
4 C2H5NH2(g) + 15 O2(g) = 8 CO2(g) + 14 H2O(g) + 2 N2
ZnS + NH4Cl = ZnCl2 + (NH4)2S =>
ZnS + 2 NH4Cl = ZnCl2 + (NH4)2S
Ba(OH)2 + KBr = BaBr2 + K(OH) =>
Ba(OH)2 + 2 KBr = BaBr2 + 2 K(OH)
CaCO3 + H2O + CO2 = Ca(HCO3)2 =>
CaCO3 + H2O + CO2 = Ca(HCO3)2
Hg + CuCl4 = HgCl4 + Cu =>
Hg + CuCl4 = HgCl4 + Cu
C2H4 + Cl2 = C2H3Cl2 + H2 =>
2 C2H4 + 2 Cl2 = 2 C2H3Cl2 + H2
FeCl3O12 = FeCl2 + O2 + Cl2 =>
2 FeCl3O12 = 2 FeCl2 + 12 O2 + Cl2
Mn(NO3)2 + NaBiO3 + H2SO4 = HMnO4 + NaNO3 + Bi2(SO4)3 + Na2SO4 + H2O =>
4 Mn(NO3)2 + 10 NaBiO3 + 16 H2SO4 = 4 HMnO4 + 8 NaNO3 + 5 Bi2(SO4)3 + Na2SO4 + 14 H2O
NaKCrO4 + Ba(NO3)2 = BaCrO4 + NaNO3 + KNO3 =>
NaKCrO4 + Ba(NO3)2 = BaCrO4 + NaNO3 + KNO3
Ca(OH)2 + P4 + O10 = Ca3(PO4)2 + H2O =>
6 Ca(OH)2 + P4 + O10 = 2 Ca3(PO4)2 + 6 H2O
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Équations équilibrées sur12/10/24
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