| Équations équilibrées la veille | Équations équilibrées le lendemain |
X + Y = XY
HOCH2CH2NH2*H2O + HCl = H2O + CH2CH2NH2Cl =>
HOCH2CH2NH2*H2O + HCl = 2 H2O + CH2CH2NH2Cl
Fe3O4 + SO2 = Fe + SO3 =>
Fe3O4 + 4 SO2 = 3 Fe + 4 SO3
Cr2O7{2-} + H{+} + C2H5OH = Cr{3+} + CH3CO2H + H2O =>
2 Cr2O7{2-} + 16 H{+} + 3 C2H5OH = 4 Cr{3+} + 3 CH3CO2H + 11 H2O
KMnO + SnO + HSO = MnO + KSO + SnSO + H2O =>
KMnO + SnO + 2 HSO = MnO + KSO + SnSO + H2O
Fe + Pb(CH3COO)2 = Fe(CH3COO)3 + Pb =>
2 Fe + 3 Pb(CH3COO)2 = 2 Fe(CH3COO)3 + 3 Pb
NH3(g) + CO2(g) = NH2CONH2(aq) + H2O(l) =>
2 NH3(g) + CO2(g) = NH2CONH2(aq) + H2O(l)
fluorine + H2O = oxygendifluoride + hydrogenfluoride =>
2 F2 + H2O = OF2 + 2 HF
AsH3 + OH{-} = H3AsO4 + H2O + [{-}] =>
AsH3 + 8 OH{-} = H3AsO4 + 4 H2O + 8[{-}]
H2 + S = H2S =>
H2 + S = H2S
SiO2 + KOH = K2SiO2(OH)2 =>
SiO2 + 2 KOH = K2SiO2(OH)2
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
H2CCH2 + HBr = H3CCH2Br =>
H2CCH2 + HBr = H3CCH2Br
H3PO4 + C = H3PO2 + CO2 =>
H3PO4 + C = H3PO2 + CO2
HF + Ca(OH)2 = H2O + Ca + F =>
2 HF + Ca(OH)2 = 2 H2O + Ca + 2 F
Cl + NaOH + CrI3 = NaCl + NaIO4 + Na2CrO4 + H2O =>
27 Cl + 32 NaOH + CrI3 = 27 NaCl + 3 NaIO4 + Na2CrO4 + 16 H2O
Cr2O7{-2} + Fe{2+} + H{+} = H2O + Fe{3+} + Cr{3+} =>
Cr2O7{-2} + 6 Fe{2+} + 14 H{+} = 7 H2O + 6 Fe{3+} + 2 Cr{3+}
SH6 + O2 = S3O2 + H2O =>
6 SH6 + 11 O2 = 2 S3O2 + 18 H2O
Na2V4O9 + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + HVO3 + Na2SO4 + H2O =>
3 Na2V4O9 + 2 Na2Cr2O7 + 11 H2SO4 = 2 Cr2(SO4)3 + 12 HVO3 + 5 Na2SO4 + 5 H2O
CoSO4 + NaOH = (CoOH)2SO4 + Na2SO4 =>
2 CoSO4 + 2 NaOH = (CoOH)2SO4 + Na2SO4
Cu + NH4Cl = CuCl + NH4 =>
Cu + NH4Cl = CuCl + NH4
H2O + CH3COOCH3 = CH3OH + CO =>
H2O + CH3COOCH3 = 2 CH3OH + CO
FeCl + NaS = NaCl + FeS =>
FeCl + NaS = NaCl + FeS
Na2SO4 + PbNO3 = PbSO4 + Na2NO3 =>
Na2SO4 + PbNO3 = PbSO4 + Na2NO3
K(MnO4) + KCl + H2SeO4 = Mn(SeO4) + K2(SeO4) + Cl2 + H2O =>
2 K(MnO4) + 10 KCl + 8 H2SeO4 = 2 Mn(SeO4) + 6 K2(SeO4) + 5 Cl2 + 8 H2O
[Cr2(CH3COO)4(H2O)2] + H2SO4 = Cr2(SO4)3 + H2S + Cr(CH3COO)3 + H2O =>
12[Cr2(CH3COO)4(H2O)2] + 15 H2SO4 = 4 Cr2(SO4)3 + 3 H2S + 16 Cr(CH3COO)3 + 36 H2O
Na(HCO3)2 = H2O + CO2 + NaCO3 =>
Na(HCO3)2 = H2O + CO2 + NaCO3
CrO3 + SO2 = Cr2O3 + SO3 =>
2 CrO3 + 3 SO2 = Cr2O3 + 3 SO3
C2H3Cl + O2 = HCl + H2O + CO =>
2 C2H3Cl + 3 O2 = 2 HCl + 2 H2O + 4 CO
P4O10 + C2 = P4 + CO =>
P4O10 + 5 C2 = P4 + 10 CO
KHO(aq) + HCl4(aq) = KCl4(aq) + H2O(l) =>
KHO(aq) + HCl4(aq) = KCl4(aq) + H2O(l)
As2S3 + ClO3{-} + OH{-} = H2AsO4{-} + SO4{2-} + Cl{-} + H2O =>
3 As2S3 + 14 ClO3{-} + 24 OH{-} = 6 H2AsO4{-} + 9 SO4{2-} + 14 Cl{-} + 6 H2O
Hg2(OH)2 = Hg2O + H2O =>
Hg2(OH)2 = Hg2O + H2O
HC2H3O2(aq) + Ba(OH)2(s) = H2O(l) + Ba(C2H3O2)2(aq) =>
2 HC2H3O2(aq) + Ba(OH)2(s) = 2 H2O(l) + Ba(C2H3O2)2(aq)
K2Cr2O7(aq) + Na2SO3(aq) + H2SO4(aq) = Cr2(SO4)3(aq) + K2SO4(aq) + Na2SO4(aq) + H2O(l) =>
K2Cr2O7(aq) + 3 Na2SO3(aq) + 4 H2SO4(aq) = Cr2(SO4)3(aq) + K2SO4(aq) + 3 Na2SO4(aq) + 4 H2O(l)
C6H11CH3 + O2 = CO2 + H2O =>
2 C6H11CH3 + 21 O2 = 14 CO2 + 14 H2O
AgNO3 + Na2Cr2O7 = AgCr + NaNO3 + O =>
2 AgNO3 + Na2Cr2O7 = 2 AgCr + 2 NaNO3 + 7 O
Fe(OH)3 + MgSO4 = Fe2(SO4)3 + Mg(OH)2 =>
2 Fe(OH)3 + 3 MgSO4 = Fe2(SO4)3 + 3 Mg(OH)2
C6H12O6 = C4H8O2 + CO2 + H2O =>
5 C6H12O6 = 6 C4H8O2 + 6 CO2 + 6 H2O
Zu + NaOH = Na2ZuO2 + H2 =>
Zu + 2 NaOH = Na2ZuO2 + H2
C2H6O2 + C2H4O = C6H14O4 =>
C2H6O2 + 2 C2H4O = C6H14O4
H3BO3 + H2O = H3O + BO3 =>
H3BO3 + 3 H2O = 3 H3O + BO3
RbCl + CuCl2 = Rb2CuCl4 =>
2 RbCl + CuCl2 = Rb2CuCl4
H2 + NO3{-} + H{+} = NH4{+} + H2O =>
4 H2 + NO3{-} + 2 H{+} = NH4{+} + 3 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
C3H4 + Na = C3H3Na + H2 =>
2 C3H4 + 2 Na = 2 C3H3Na + H2
KClO3 + C4H6O6 = C4H5KO6 + HClO3 =>
KClO3 + C4H6O6 = C4H5KO6 + HClO3
(Ca(HCO3)2) = CO2 + H2O + CaCO3 =>
(Ca(HCO3)2) = CO2 + H2O + CaCO3
C10H14O2 + O2 = CO2 + H2O =>
2 C10H14O2 + 25 O2 = 20 CO2 + 14 H2O
Cr2(SO4)5 + KOH + KClO3 = K2CrO4 + H2O + KCl + K2SO4 =>
3 Cr2(SO4)5 + 42 KOH + KClO3 = 6 K2CrO4 + 21 H2O + KCl + 15 K2SO4
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