| Équations équilibrées la veille | Équations équilibrées le lendemain |
Br2(l) + 2 CuI(aq) = 2 CuBr(aq) + I2(s)
Mn3O + Al = Mn + Al2O3 =>
3 Mn3O + 2 Al = 9 Mn + Al2O3
C5H5O2 + O2 = CO2 + H2O =>
4 C5H5O2 + 21 O2 = 20 CO2 + 10 H2O
Ca3(PO4)2 + HClO4 = Ca(ClO4)2 + H3PO4 =>
Ca3(PO4)2 + 6 HClO4 = 3 Ca(ClO4)2 + 2 H3PO4
FeCl2 + FeCl3 + NaCN = Fe4[Fe(CN)6]3 + NaCl =>
3 FeCl2 + 4 FeCl3 + 18 NaCN = Fe4[Fe(CN)6]3 + 18 NaCl
P2O3 = P4O6 =>
2 P2O3 = P4O6
NaCl + H{2}SO{4} = Na{2}SO{4} + HCl =>
NaCl + H{2}SO{4} = Na{2}SO{4} + HCl
Li2S + P2S5 + S + Si + LiBr + LiCl = Li62P8Si2S50Cl5Br5 =>
26 Li2S + 4 P2S5 + 4 S + 2 Si + 5 LiBr + 5 LiCl = Li62P8Si2S50Cl5Br5
PbO2 + H2O = PbO2H2O =>
PbO2 + H2O = PbO2H2O
NaCl + MgCl2 = NaCl2 + MgCl =>
NaCl + MgCl2 = NaCl2 + MgCl
MoCl5 + Na2S = MoS2 + NaCl + S =>
2 MoCl5 + 5 Na2S = 2 MoS2 + 10 NaCl + S
HF + Sn = SnF2 + H2 =>
2 HF + Sn = SnF2 + H2
HNo2 + Zn(OH)2 = Zn(No2)2 + H2O =>
2 HNo2 + Zn(OH)2 = Zn(No2)2 + 2 H2O
[Sn(OH)6] = [Sn(OH)3] + OH =>
[Sn(OH)6] = [Sn(OH)3] + 3 OH
H2C2 + MnO4{-} + H2O = C2H2(OH)2 + MnO2 + OH{-} =>
3 H2C2 + 2 MnO4{-} + 4 H2O = 3 C2H2(OH)2 + 2 MnO2 + 2 OH{-}
CuCl2(aq) + Zn(s) = Cu(s) + ZnCl2(aq) =>
CuCl2(aq) + Zn(s) = Cu(s) + ZnCl2(aq)
CuFeS2 + O2 = CuS + SO2 + FeO =>
2 CuFeS2 + 3 O2 = 2 CuS + 2 SO2 + 2 FeO
CH3(CH2)5CH3 + O2 = CO2 + H2O =>
CH3(CH2)5CH3 + 11 O2 = 7 CO2 + 8 H2O
CH3C6H2(NO2)3 = N2 + H2O + CO + C =>
2 CH3C6H2(NO2)3 = 3 N2 + 5 H2O + 7 CO + 7 C
Na2Zn(OH)4 + H2SO4 = ZnSO4 + NaOH + H2O =>
Na2Zn(OH)4 + H2SO4 = ZnSO4 + 2 NaOH + 2 H2O
V(NO3)5 + MgS = V2S5 + Mg(NO3)2 =>
2 V(NO3)5 + 5 MgS = V2S5 + 5 Mg(NO3)2
Cr2O7{-}2 + H{+} + I{-} = Cr3{+} + I2 + H2O =>
6 Cr2O7{-}2 + 84 H{+} + 74 I{-} = 4 Cr3{+} + 37 I2 + 42 H2O
Cl2 + H2O = H + OCl =>
Cl2 + 2 H2O = 4 H + 2 OCl
AlBr3 + KOH = Al(OH) + Br3K =>
AlBr3 + KOH = Al(OH) + Br3K
CH4 + Ce2 = CH3Ce + HCe =>
CH4 + Ce2 = CH3Ce + HCe
HCl + NiOH2 = NiCl + HOH2 =>
HCl + NiOH2 = NiCl + HOH2
H3PO4 + BrOH = H2O + Br3PO4 =>
H3PO4 + 3 BrOH = 3 H2O + Br3PO4
Cr(OH)3 + H2O2 + NaOH = Na2Cr2O7 + H2O =>
2 Cr(OH)3 + 3 H2O2 + 2 NaOH = Na2Cr2O7 + 7 H2O
H2CO3 + Fe(NO3)2 = FeCO3 + HNO3 =>
H2CO3 + Fe(NO3)2 = FeCO3 + 2 HNO3
Al(NO3)3(aq) + NaOH(aq) = Al(OH)3(s) + NaNO3(aq) =>
Al(NO3)3(aq) + 3 NaOH(aq) = Al(OH)3(s) + 3 NaNO3(aq)
KHSO4 = K2S2O8 + H2 =>
2 KHSO4 = K2S2O8 + H2
Zn(OH)2 + NH4OH = Zn(NH3)4 + OH + H2O =>
Zn(OH)2 + 4 NH4OH = Zn(NH3)4 + 2 OH + 4 H2O
PbSO4 + Cl = PbCl2 + SO4 =>
PbSO4 + 2 Cl = PbCl2 + SO4
N2O4 + KMnO4 + H2O = KNO3 + Mn(NO3)2 + HNO3 =>
5 N2O4 + 2 KMnO4 + 2 H2O = 2 KNO3 + 2 Mn(NO3)2 + 4 HNO3
Ba(OH)2(aq) + Co(NO3)3(aq) = Co(OH)3 + Ba(NO3)2(aq) =>
3 Ba(OH)2(aq) + 2 Co(NO3)3(aq) = 2 Co(OH)3 + 3 Ba(NO3)2(aq)
Ca + Cl2 + H2O = CaCl22H2O =>
Ca + 11 Cl2 + H2O = CaCl22H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
C5H6NH2 + O2 = CO2 + H2O + N2 =>
2 C5H6NH2 + 14 O2 = 10 CO2 + 8 H2O + N2
(Cu(NO3)2) + NaOH = NaNO3 + Cu(OH)2 =>
(Cu(NO3)2) + 2 NaOH = 2 NaNO3 + Cu(OH)2
P2O5 + NH4OH = (NH4)3PO4 + H2O =>
P2O5 + 6 NH4OH = 2(NH4)3PO4 + 3 H2O
Ca2C + H2O = Ca(OH)2 + CH4 =>
Ca2C + 4 H2O = 2 Ca(OH)2 + CH4
Cr(OH)3 + H2O2 + NaOH = Na2Cr2O7 + H2O =>
2 Cr(OH)3 + 3 H2O2 + 2 NaOH = Na2Cr2O7 + 7 H2O
Zn{2+} + K{+} + Fe(CN)6{4-} = Zn3K2[Fe(CN)6]2 =>
3 Zn{2+} + 2 K{+} + 2 Fe(CN)6{4-} = Zn3K2[Fe(CN)6]2
Li2S + SnS + LiCl + S = Li6SnS4Cl2 =>
2 Li2S + SnS + 2 LiCl + S = Li6SnS4Cl2
P2 + O2 + Cl2 = POCl3 =>
P2 + O2 + 3 Cl2 = 2 POCl3
K2CrO4 + SnSO4 + H2SO4 = Cr2(SO4)3 + K2SO4 + Sn(SO4)2 + H2O =>
2 K2CrO4 + 3 SnSO4 + 8 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 3 Sn(SO4)2 + 8 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C5H7COO + H2O = C5H7COOH + OH =>
C5H7COO + H2O = C5H7COOH + OH
CS3 + N2 = CS3N =>
2 CS3 + N2 = 2 CS3N
MnO2H2O2 = HMnO2HO2 =>
MnO2H2O2 = HMnO2HO2
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Équations équilibrées sur11/22/24
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