| Équations équilibrées la veille | Équations équilibrées le lendemain |
12 CO2 + 6 H2O + 2 SO2 = 2 C6H5SH + 17 O2
K2Cd(CN)4 + (NH4)2S = CdS + KCN + NH4CN =>
K2Cd(CN)4 + (NH4)2S = CdS + 2 KCN + 2 NH4CN
Br2 + KCrO2 + KOH = KBr + K2CrO7 + H2O =>
9 Br2 + 2 KCrO2 + 20 KOH = 18 KBr + 2 K2CrO7 + 10 H2O
FeSO4 + Zn = ZnSO4 + Fe2 =>
2 FeSO4 + 2 Zn = 2 ZnSO4 + Fe2
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
Na3PO4(aq) + CoBr2(aq) = Na3Br2 + CoPO4 =>
Na3PO4(aq) + CoBr2(aq) = Na3Br2 + CoPO4
MoO3*2H2O + HCl = H2MoCl4O2 + H2O =>
MoO3*2H2O + 4 HCl = H2MoCl4O2 + 3 H2O
Cr2S3 + (Mn(NO3)2) + Na2CO3 = NO + (CO2) + Na2CrO4 + Na2MnO4 + Na2SO4 =>
Cr2S3 + 15(Mn(NO3)2) + 20 Na2CO3 = 30 NO + 20(CO2) + 2 Na2CrO4 + 15 Na2MnO4 + 3 Na2SO4
KMnO4 + NaOH + K2SO3 = Na2SO4 + K3MnO4 + H2O =>
KMnO4 + 2 NaOH + K2SO3 = Na2SO4 + K3MnO4 + H2O
NH4Cl(aq) + CaSO3(aq) = CaCl2 + (NH4)2SO3 =>
2 NH4Cl(aq) + CaSO3(aq) = CaCl2 + (NH4)2SO3
(NH4)2CO3 + MnBr2 = (NH4)Br + MnCO3 =>
(NH4)2CO3 + MnBr2 = 2(NH4)Br + MnCO3
SrB2 + (NH4)2CO3 = SrCO3 + NH4B =>
SrB2 + (NH4)2CO3 = SrCO3 + 2 NH4B
Sn(NO3)2 + NaOH = Na2SnO2 + NaNO3 + H2O =>
Sn(NO3)2 + 4 NaOH = Na2SnO2 + 2 NaNO3 + 2 H2O
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
CoCO3(s) + HCl(aq) = CoCl2(aq) + H2O(l) + CO2(g) =>
CoCO3(s) + 2 HCl(aq) = CoCl2(aq) + H2O(l) + CO2(g)
Bi{+3} + Br2 + OH{-} = BiO3{-} + Br{-} + H2O =>
Bi{+3} + Br2 + 6 OH{-} = BiO3{-} + 2 Br{-} + 3 H2O
C6H4(OH)2 = C6H4O2 + H2 =>
C6H4(OH)2 = C6H4O2 + H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NH4Br + K2CO3 = NH4CO3 + K2Br =>
NH4Br + K2CO3 = NH4CO3 + K2Br
NaAsO2 + HCl + H2S = As2S3 + NaCl + H2O =>
2 NaAsO2 + 2 HCl + 3 H2S = As2S3 + 2 NaCl + 4 H2O
Na3PO4 + Ca(No3)2 = Na3PO4Ca(No3)2 =>
Na3PO4 + Ca(No3)2 = Na3PO4Ca(No3)2
H + NiCl2 = HNiCl2 =>
H + NiCl2 = HNiCl2
CuCl2 + NaSO4 = Cu(SO4)2 + NaCl =>
CuCl2 + 2 NaSO4 = Cu(SO4)2 + 2 NaCl
[NH4]2SO4 + NaOH = Na2SO4 + H2O + NH3 =>
[NH4]2SO4 + 2 NaOH = Na2SO4 + 2 H2O + 2 NH3
NaNO2 = NaNO + O =>
NaNO2 = NaNO + O
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Ca3P2 + HNO3 = Ca(NO3)2 + NO2 + H3PO4 + H2O =>
Ca3P2 + 22 HNO3 = 3 Ca(NO3)2 + 16 NO2 + 2 H3PO4 + 8 H2O
NaI(s) + Cl2(g) = NaCl(s) + I2(g) =>
2 NaI(s) + Cl2(g) = 2 NaCl(s) + I2(g)
HAc + Ca(OH)2 = CaAc2 + H2O =>
2 HAc + Ca(OH)2 = CaAc2 + 2 H2O
C10H12N3 + O2 = CO2 + H2O + N2 =>
2 C10H12N3 + 26 O2 = 20 CO2 + 12 H2O + 3 N2
Mg + H2O = Mg(OH)2H2 =>
Mg + 2 H2O = Mg(OH)2H2
Zn(s) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
KI + PbCr2O7 = PbI2 + K2Cr2O7 =>
2 KI + PbCr2O7 = PbI2 + K2Cr2O7
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
Na2CO3 + CrBr2 = CCrO3 + NaBr =>
Na2CO3 + CrBr2 = CCrO3 + 2 NaBr
RbI + AgN = RbN + AgI =>
RbI + AgN = RbN + AgI
CH3OH + O2(g) = CO2(g) + H2O(i) =>
2 CH3OH + 3 O2(g) = 2 CO2(g) + 4 H2O(i)
Na(HCO3) + H3C6H5O7 = CO2 + H2O + Na3(C6H5O7) =>
3 Na(HCO3) + H3C6H5O7 = 3 CO2 + 3 H2O + Na3(C6H5O7)
(NH4)2SO4(s) + NaOH(s) = Na2SO4(s) + H2O(l) + NH3(g) =>
(NH4)2SO4(s) + 2 NaOH(s) = Na2SO4(s) + 2 H2O(l) + 2 NH3(g)
C3H6Br2 + Zn = C3H6 + ZnBr =>
C3H6Br2 + 2 Zn = C3H6 + 2 ZnBr
C4H10O + O2 = CO2 + H2O =>
C4H10O + 6 O2 = 4 CO2 + 5 H2O
K40Fe10(CN)60 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
K40Fe10(CN)60 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Cu(No3)2 + Zn = Zn(No3)2 + Cu =>
Cu(No3)2 + Zn = Zn(No3)2 + Cu
C4I7H3 = C + I2 + H2 =>
2 C4I7H3 = 8 C + 7 I2 + 3 H2
FeOH2 = FeH2O =>
FeOH2 = FeH2O
I6C2H5 + O2 = I6OH + CO2 + H2O =>
2 I6C2H5 + 7 O2 = 2 I6OH + 4 CO2 + 4 H2O
Mn(C2O4){-} + H2O{+} = Mn{+2} + CO2 + H2O =>
Mn(C2O4){-} + 3 H2O{+} = Mn{+2} + 2 CO2 + 3 H2O
Sr(NO3)2 + H2PO4 + HCl = Sr(PO4)3Cl + HNO3 + H2 =>
2 Sr(NO3)2 + 6 H2PO4 + 2 HCl = 2 Sr(PO4)3Cl + 4 HNO3 + 5 H2
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Équations équilibrées sur04/21/25
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