| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 BF3 + 6 NaH = B2H6 + 6 NaF
Cl2 + NaBr = NaCl + Br =>
Cl2 + 2 NaBr = 2 NaCl + 2 Br
H3PO4 + NaOH = Na2H1PO4 + H2O =>
H3PO4 + 2 NaOH = Na2H1PO4 + 2 H2O
CH3COOH + CuO = Cu(CH3COO)2 + H2O =>
2 CH3COOH + CuO = Cu(CH3COO)2 + H2O
Li + Br = LiBr =>
Li + Br = LiBr
Xe + F = XeF6 =>
Xe + 6 F = XeF6
Fe(NO3)3 + Na2SO3 + H2O = Fe(OH)3 + SO2 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2SO3 + 3 H2O = 2 Fe(OH)3 + 3 SO2 + 6 NaNO3
Sn(s) + HF(s) = SnF2(s) + H2(g) =>
Sn(s) + 2 HF(s) = SnF2(s) + H2(g)
Cu(ll) + AgNO3 = Cu(NO3)2 + Ag =>
Cu(ll) + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NH2OH + H2O2 = H2O + N2 =>
2 NH2OH + H2O2 = 4 H2O + N2
Cl2(g) + IO3{-}(aq) + H2O(l) = Cl{-}(aq) + IO4{-}(aq) + H{+} =>
Cl2(g) + IO3{-}(aq) + H2O(l) = 2 Cl{-}(aq) + IO4{-}(aq) + 2 H{+}
BaCl2 + Na2(CO3) = Ba2(CO3)2 + NaCl =>
2 BaCl2 + 2 Na2(CO3) = Ba2(CO3)2 + 4 NaCl
Zn(OH)2 + NH3 = [Zn(NH3)4](OH)2 =>
Zn(OH)2 + 4 NH3 = [Zn(NH3)4](OH)2
Fe3O4 + H2S = FeS + H2O + O2 =>
2 Fe3O4 + 6 H2S = 6 FeS + 6 H2O + O2
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
C3H8 + O(O2) = CO2 + H2O =>
3 C3H8 + 10 O(O2) = 9 CO2 + 12 H2O
Fe2(CrO4)3 + H2(C2O4) = Fe2(C2O4)3 + H2(CrO4) =>
Fe2(CrO4)3 + 3 H2(C2O4) = Fe2(C2O4)3 + 3 H2(CrO4)
LiF + H2SO4 = LiHSO4 + HF =>
LiF + H2SO4 = LiHSO4 + HF
C6H8O7 + NaOH = C6H5O7{-3} + Na{+} + H2O =>
C6H8O7 + 3 NaOH = C6H5O7{-3} + 3 Na{+} + 3 H2O
Na2SO3 + S = Na2S2O3 =>
Na2SO3 + S = Na2S2O3
Fe + Cd(NO3)2 = Fe(NO3)3 + Cd =>
2 Fe + 3 Cd(NO3)2 = 2 Fe(NO3)3 + 3 Cd
K3[Fe(CN)6] + NaOH = Fe(OH)3 + NaCN + KCN =>
K3[Fe(CN)6] + 3 NaOH = Fe(OH)3 + 3 NaCN + 3 KCN
Li + YbCl3 = Yb + LiCl =>
3 Li + YbCl3 = Yb + 3 LiCl
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
KBr(aq) + H2SO4(aq) + MnO2(aq) = KHSO4(aq) + MnSO4(aq) + H2O(l) + Br(l) =>
2 KBr(aq) + 3 H2SO4(aq) + MnO2(aq) = 2 KHSO4(aq) + MnSO4(aq) + 2 H2O(l) + 2 Br(l)
Zn{2} + HCl = ZnCl{2} + H =>
Zn{2} + HCl = ZnCl{2} + H
Mg + HNO3 = Mg(NO3) + N2 + H2O =>
10 Mg + 12 HNO3 = 10 Mg(NO3) + N2 + 6 H2O
K2Cr2O7 + NaI + H2SO4 = Cr2(SO4)3 + K2SO4 + Na2SO4 + I2 + H2O =>
K2Cr2O7 + 6 NaI + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 Na2SO4 + 3 I2 + 7 H2O
CuS + H2SO4 = Cu{2+} + H2S + SO4{2-} =>
CuS + H2SO4 = Cu{2+} + H2S + SO4{2-}
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
IO3{-} + I[{-}] + H{+} = I2 + H2O =>
IO3{-} + 5 I[{-}] + 6 H{+} = 3 I2 + 3 H2O
N + H2 = NH3 =>
2 N + 3 H2 = 2 NH3
CF2Cl2(g) = CF2Cl(g) + Cl(g) =>
CF2Cl2(g) = CF2Cl(g) + Cl(g)
HClO3 = ClO2 + HClO4 + H2O =>
3 HClO3 = 2 ClO2 + HClO4 + H2O
C2H5OH + CO2 = C6H12O6 =>
2 C2H5OH + 2 CO2 = C6H12O6
Li + Br = LiBr =>
Li + Br = LiBr
Mn + HCl = MnCl3 + H2 =>
2 Mn + 6 HCl = 2 MnCl3 + 3 H2
NaNO3 + H2O = Na2O + HNO3 =>
2 NaNO3 + H2O = Na2O + 2 HNO3
Ca(H2PO4)2 + Ca(OH)2 = Ca(HPO4) + H2O =>
Ca(H2PO4)2 + Ca(OH)2 = 2 Ca(HPO4) + 2 H2O
C2H5OH + O2 = O2CO2 + H2O =>
C2H5OH + 5 O2 = 2 O2CO2 + 3 H2O
Cu(SO4)(aq) + KOH(aq) = Cu(OH)(s) + K(SO4)(aq) =>
Cu(SO4)(aq) + KOH(aq) = Cu(OH)(s) + K(SO4)(aq)
P + Br = PBr3 =>
P + 3 Br = PBr3
NaNO3 + H2SO4 = HNO3 + NaHSO4 =>
NaNO3 + H2SO4 = HNO3 + NaHSO4
NaCO3 + CaCl2 = CaCO3 + Na + Cl =>
NaCO3 + CaCl2 = CaCO3 + Na + 2 Cl
Fe + H = HFe =>
Fe + H = HFe
SnCl4 + O2 = Sn(ClO)4 =>
SnCl4 + 2 O2 = Sn(ClO)4
(N2H5)Cl + KI + H2SO4 = I2 + HCl + K2(SO4) + (NH4)2SO4 =>
(N2H5)Cl + 2 KI + 2 H2SO4 = I2 + HCl + K2(SO4) + (NH4)2SO4
Mg + B = MgB12 =>
Mg + 12 B = MgB12
KBr + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + Br2 + H2O =>
6 KBr + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 Br2 + 7 H2O
H3PO4(aq) + NH4OH(aq) = H2O(l) + (NH4)3PO4(aq) =>
H3PO4(aq) + 3 NH4OH(aq) = 3 H2O(l) + (NH4)3PO4(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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