| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C5H4O2 + 11 H2O = 5 CH2O2 + 5 CH4O
HZn + K4Fe(CN)6 = K4Zn(CN)6 + HFe =>
HZn + K4Fe(CN)6 = K4Zn(CN)6 + HFe
AlPO4 + Cu(NO3)2 = Cu3(PO4)2 + Al(NO3)3 =>
2 AlPO4 + 3 Cu(NO3)2 = Cu3(PO4)2 + 2 Al(NO3)3
NaNO2 + KMnO4 + H2SO4 = NaNO3 + Mn(SO)4 + K2SO4 + H2O =>
23 NaNO2 + 2 KMnO4 + 9 H2SO4 = 23 NaNO3 + 2 Mn(SO)4 + K2SO4 + 9 H2O
P3 + O2 = P10O4 =>
10 P3 + 6 O2 = 3 P10O4
Ca(OH)2 + K2CO3 = CaCO3 + KOH =>
Ca(OH)2 + K2CO3 = CaCO3 + 2 KOH
Hg + CuCl = HgCl2 + Cu =>
Hg + 2 CuCl = HgCl2 + 2 Cu
Cu(s) + HCl(aq) = CuCl2(aq) + H2(g) =>
Cu(s) + 2 HCl(aq) = CuCl2(aq) + H2(g)
zinc + Fe2O3 = zincoxide + iron =>
3 Zn + Fe2O3 = 3 ZnO + 2 Fe
Hg + CuCl = HgCl2 + Cu =>
Hg + 2 CuCl = HgCl2 + 2 Cu
B2O3(g) + C(s) = B4C(s) + CO(g) =>
2 B2O3(g) + 7 C(s) = B4C(s) + 6 CO(g)
Hg + CuCl = HgCl2 + Cu =>
Hg + 2 CuCl = HgCl2 + 2 Cu
Cu(SO4) + K3PO4 = Cu3(PO4)2(s) + K2SO4(aq) =>
3 Cu(SO4) + 2 K3PO4 = Cu3(PO4)2(s) + 3 K2SO4(aq)
K3I + AgN = AgI + K3N =>
K3I + AgN = AgI + K3N
CO + KNO3 = CO2 + KNO2 =>
CO + KNO3 = CO2 + KNO2
Hg + CuCl = HgCl2 + Cu =>
Hg + 2 CuCl = HgCl2 + 2 Cu
CoCl + AlCO3 = CoCO3 + AlCl =>
CoCl + AlCO3 = CoCO3 + AlCl
K2O + NaBr = K2Na + BrO =>
K2O + NaBr = K2Na + BrO
PbBr2 + AgNO3 = AgBr + Pb(NO3)2 =>
PbBr2 + 2 AgNO3 = 2 AgBr + Pb(NO3)2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
NaNH2 + H2O = NH3 + NaOH =>
NaNH2 + H2O = NH3 + NaOH
C6H12O7 + O2 = CO2 + H2O =>
2 C6H12O7 + 11 O2 = 12 CO2 + 12 H2O
(NH4)2C2O4 + Al(SO4)3 = (NH4)2SO4 + Al(C2O4)3 =>
3(NH4)2C2O4 + Al(SO4)3 = 3(NH4)2SO4 + Al(C2O4)3
Cr + Fe(NO3)2 = Fe2 + Cr(NO3)3 =>
4 Cr + 6 Fe(NO3)2 = 3 Fe2 + 4 Cr(NO3)3
Hg + CuCl = HgCl2 + Cu =>
Hg + 2 CuCl = HgCl2 + 2 Cu
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
N2 + Ca = Ca3N3 =>
3 N2 + 6 Ca = 2 Ca3N3
K2[Zn(OH)4] + HBr = Zn(OH)2 + KBr + H2O =>
K2[Zn(OH)4] + 2 HBr = Zn(OH)2 + 2 KBr + 2 H2O
Hg + CuCl = HgCl + Cu =>
Hg + CuCl = HgCl + Cu
HCN + FeCl2 = Fe2[Fe(CN)6] + HCl =>
6 HCN + 3 FeCl2 = Fe2[Fe(CN)6] + 6 HCl
Hg + CuCl = HgCl2 + Cu =>
Hg + 2 CuCl = HgCl2 + 2 Cu
C5H11NHI + H2O = C5H11NH + HI + OH =>
C5H11NHI + H2O = C5H11NH + HI + OH
Hg + CuCl = HgCl2 + Cu =>
Hg + 2 CuCl = HgCl2 + 2 Cu
NH4Cl(s) + H2O(l) = NH4OH(ac) + HCl(ac) =>
NH4Cl(s) + H2O(l) = NH4OH(ac) + HCl(ac)
C6H5CH3 + NaOH = C6H5Na + CH3OH =>
C6H5CH3 + NaOH = C6H5Na + CH3OH
AgNO3 + NaCl(s) = NaNO3 + AgCl =>
AgNO3 + NaCl(s) = NaNO3 + AgCl
S8 + Na2SO3 + H2O(l) = Na2S2O3*5H2O =>
S8 + 8 Na2SO3 + 40 H2O(l) = 8 Na2S2O3*5H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = Fe2(SO4)3 + CO2 + H2O + HNO3 + KHSO4 + MnSO4 =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 5 Fe2(SO4)3 + 60 CO2 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
K2CO3 + CH3COOH = (CH3COO)2K + H2O + CO2 =>
4 K2CO3 + 15 CH3COOH = 8(CH3COO)2K + 6 H2O + 2 CO2
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
Ba(OH)2(aq) + NaCl(aq) = BaCl2(aq) + NaOH =>
Ba(OH)2(aq) + 2 NaCl(aq) = BaCl2(aq) + 2 NaOH
CH3COOH + Al(OH)3 = H2O + Al(CH3CO2)3 =>
3 CH3COOH + Al(OH)3 = 3 H2O + Al(CH3CO2)3
CH3OH + C = C7H8 + H2O =>
4 CH3OH + 3 C = C7H8 + 4 H2O
C6H12O6 + H2O = CO2 + H2 =>
C6H12O6 + 6 H2O = 6 CO2 + 12 H2
CrO4{2-} + S2O3{2-} + H2O = SO4{2-} + [Cr3]{3+} + OH{-} =>
24 CrO4{2-} + 15 S2O3{2-} + 21 H2O = 30 SO4{2-} + 8[Cr3]{3+} + 42 OH{-}
LF + K3PO4 = L3PO4 + KF =>
3 LF + K3PO4 = L3PO4 + 3 KF
CuF2(aq) + Li2CO3(aq) = CuCO3 + LiF(aq) =>
CuF2(aq) + Li2CO3(aq) = CuCO3 + 2 LiF(aq)
S* + F2 = SF6 =>
S* + 3 F2 = SF6
CO3Ca + ClH = Cl2Ca + CO2 + H2O =>
CO3Ca + 2 ClH = Cl2Ca + CO2 + H2O
IO3{-} + OH{-} + N2O4 = IO4{-} + H2O + NO2{-} =>
IO3{-} + 2 OH{-} + N2O4 = IO4{-} + H2O + 2 NO2{-}
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