| Équations équilibrées la veille |
ZnO + Na2CO3 = ZnCO3 + Na2O
H3PO3 + NO3{-} = N2O4 + PO4{-3} + H{+} + H2O =>
H3PO3 + 2 NO3{-} = N2O4 + PO4{-3} + H{+} + H2O
Na3PO4 = Na + PO4 =>
Na3PO4 = 3 Na + PO4
CuO + ZnO = CuZnO2 =>
CuO + ZnO = CuZnO2
Zn(OH)2(s) + H3PO4(aq) = Zn3(PO4)2(s) + H2O(l) =>
3 Zn(OH)2(s) + 2 H3PO4(aq) = Zn3(PO4)2(s) + 6 H2O(l)
CaCl2 = Ca + Cl =>
CaCl2 = Ca + 2 Cl
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
C8H17 + O2 = CO + H2O =>
4 C8H17 + 33 O2 = 32 CO + 34 H2O
MgO + Cl = MgCl2 + O2 =>
2 MgO + 4 Cl = 2 MgCl2 + O2
C7H8 + KMnO4 + KOH = C7H6O2K + K2MnO4 + H2O =>
C7H8 + 5 KMnO4 + 6 KOH = C7H6O2K + 5 K2MnO4 + 4 H2O
NH4OH + O2 = N2 + H2O =>
4 NH4OH + 3 O2 = 2 N2 + 10 H2O
Cu3 + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu3 + 12 HNO3 = 3 Cu(NO3)2 + 6 NO2 + 6 H2O
MnO4{-} + HCl = Cl{-} + MnCl2 + H2O + Cl2 =>
2 MnO4{-} + 16 HCl = 2 Cl{-} + 2 MnCl2 + 8 H2O + 5 Cl2
K2CrO4 + H2O = CrO3 + KOH =>
K2CrO4 + H2O = CrO3 + 2 KOH
CuBr + HNO3 = Cu(NO3)2 + Br2 + NO + H2O =>
6 CuBr + 16 HNO3 = 6 Cu(NO3)2 + 3 Br2 + 4 NO + 8 H2O
AlN3O6 + NH4Cl = AlCl3 + N2 + H2O =>
AlN3O6 + 3 NH4Cl = AlCl3 + 3 N2 + 6 H2O
Co(OH)3 + H3AsO4 = Co(H2AsO4)3 + H2O =>
Co(OH)3 + 3 H3AsO4 = Co(H2AsO4)3 + 3 H2O
HgI2 + KI = HgI4 + K =>
HgI2 + 2 KI = HgI4 + 2 K
K + OH = KOH =>
K + OH = KOH
PbO + K3[Fe(CN)6] + KOH = K4[Fe(CN)6] + PbO2 + H2O =>
PbO + 2 K3[Fe(CN)6] + 2 KOH = 2 K4[Fe(CN)6] + PbO2 + H2O
SnCl2 + HgCl2 = SnCl4 + HgCl =>
SnCl2 + 2 HgCl2 = SnCl4 + 2 HgCl
C2H5OH + CrO3 = Cr2O3 + CH3COOH + H2O =>
3 C2H5OH + 4 CrO3 = 2 Cr2O3 + 3 CH3COOH + 3 H2O
CrO3 + H2O = H2Cr2O7 =>
2 CrO3 + H2O = H2Cr2O7
Cl2CoH12O6 = CoCl2 + H2O =>
Cl2CoH12O6 = CoCl2 + 6 H2O
B2H6(g) + O2(g) = B2O3 + H2(g) =>
2 B2H6(g) + 3 O2(g) = 2 B2O3 + 6 H2(g)
C6H12O(l) + O2(g) = CO2(g) + H2O(l) =>
2 C6H12O(l) + 17 O2(g) = 12 CO2(g) + 12 H2O(l)
C9H20 = C9H12 + H2 =>
C9H20 = C9H12 + 4 H2
Ca2Si + H2O = Ca(OH)2 + SiO2 + H2 =>
Ca2Si + 6 H2O = 2 Ca(OH)2 + SiO2 + 4 H2
Al + HCl + H2O = [Al(H2O)6]Cl3 + H2 =>
2 Al + 6 HCl + 12 H2O = 2[Al(H2O)6]Cl3 + 3 H2
Fe(OH)2 + Na2O2 + H2O = Fe(OH)3 + NaOH =>
2 Fe(OH)2 + Na2O2 + 2 H2O = 2 Fe(OH)3 + 2 NaOH
FeCl2 + KMnO4 + HCl = FeCl3 + MnCl2 + H2O + KCl =>
5 FeCl2 + KMnO4 + 8 HCl = 5 FeCl3 + MnCl2 + 4 H2O + KCl
C2H4 + HBr = CH3CH2Br =>
C2H4 + HBr = CH3CH2Br
Na2O + H2 = NaOH + Na =>
2 Na2O + H2 = 2 NaOH + 2 Na
NH4Cl + H2O = NH4OH + HCl =>
NH4Cl + H2O = NH4OH + HCl
AlN3O6 + NH4Cl = AlCl3 + N2 + H2O =>
AlN3O6 + 3 NH4Cl = AlCl3 + 3 N2 + 6 H2O
H + Ag = HAg =>
H + Ag = HAg
NaN3(g) = Na(s) + N2(g) =>
2 NaN3(g) = 2 Na(s) + 3 N2(g)
NaBH4 + CH3COOH = NaBH(CH3COO)3 + H2 =>
NaBH4 + 3 CH3COOH = NaBH(CH3COO)3 + 3 H2
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
BaBr2 + MgSO4 = BaSO4 + MgBr2 =>
BaBr2 + MgSO4 = BaSO4 + MgBr2
H2S(g) + SO2(g) = S(s) + H2O(l) =>
2 H2S(g) + SO2(g) = 3 S(s) + 2 H2O(l)
PbSO3 + HNO3 = PbSO4 + NO2 + H2O =>
PbSO3 + 2 HNO3 = PbSO4 + 2 NO2 + H2O
CN + H2O = HCN + OH =>
CN + H2O = HCN + OH
Cr(NO3)3 + Na2CO3 + H2O = Cr(OH)3 + NaNO3 + CO2 =>
2 Cr(NO3)3 + 3 Na2CO3 + 3 H2O = 2 Cr(OH)3 + 6 NaNO3 + 3 CO2
I3{-} + HSO3{-} + H2O = I{-} + H{+} + SO4{2-} =>
I3{-} + HSO3{-} + H2O = 3 I{-} + 3 H{+} + SO4{2-}
MnS + H2O = MnO + H2S =>
MnS + H2O = MnO + H2S
Cu + NaCl = CuCl + Na =>
Cu + NaCl = CuCl + Na
HCl + CO3 = H2CO3 + Cl2 =>
2 HCl + CO3 = H2CO3 + Cl2
Ag + KCl = AgKCl =>
Ag + KCl = AgKCl
CuF2 + Cl2 = CuCl + F2 =>
2 CuF2 + Cl2 = 2 CuCl + 2 F2
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