| Équations équilibrées la veille |
Ca(NO3)2 + CuCl2 = CaCl2 + Cu(NO3)2
KCrO2 + KOH + Br2 = K2CrO4 + KBr + H2O =>
2 KCrO2 + 8 KOH + 3 Br2 = 2 K2CrO4 + 6 KBr + 4 H2O
Cu2Cl + KOH = Cu2OH + KCl =>
Cu2Cl + KOH = Cu2OH + KCl
Fe{2+} = Fe{3+} + e =>
Fe{2+} = Fe{3+} + e
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
N + H2O = H2 + NO =>
N + H2O = H2 + NO
H2O2 + MnO2 = O2(H2)02 + Mn(O2)2 =>
2 H2O2 + MnO2 = O2(H2)02 + Mn(O2)2
K2CO3 + Ca(ClO3)2 = CaCO3 + KClO3 =>
K2CO3 + Ca(ClO3)2 = CaCO3 + 2 KClO3
Fe + SO3 = Fe2(SO3)3 =>
2 Fe + 3 SO3 = Fe2(SO3)3
BaCl2 + Li2O = BaO + Li2Cl2 =>
BaCl2 + Li2O = BaO + Li2Cl2
C5H12O + KMnO4 = C5H10O + MnO2 + KOH + H2O =>
3 C5H12O + 2 KMnO4 = 3 C5H10O + 2 MnO2 + 2 KOH + 2 H2O
CH4 + OH{-} = CO2 + H2O + e =>
CH4 + 8 OH{-} = CO2 + 6 H2O + 8e
C4H8O2 + O2 = CO2 + H2O =>
C4H8O2 + 5 O2 = 4 CO2 + 4 H2O
Al + HCOOH = Al(CHO2)3 + H2 =>
2 Al + 6 HCOOH = 2 Al(CHO2)3 + 3 H2
Al + H(SO4) = Al(SO4) + H =>
Al + H(SO4) = Al(SO4) + H
NiCl2(H2O)6 + FeCl3(H2O)6 + AlCl3(H2O)6 + NaOH = Ni10AlFe19O40 + NaCl + H2O =>
10 NiCl2(H2O)6 + 19 FeCl3(H2O)6 + AlCl3(H2O)6 + 80 NaOH = Ni10AlFe19O40 + 80 NaCl + 220 H2O
(NH4)2S + ZnBr2 = ZnS + (NH4)2Br2 =>
(NH4)2S + ZnBr2 = ZnS + (NH4)2Br2
Cl2 + SO32{-} + H2O = Cl{-} + SO42{-} + H{+} =>
10 Cl2 + SO32{-} + 10 H2O = 20 Cl{-} + SO42{-} + 20 H{+}
AgI + NaCN = AgCN + NaI =>
AgI + NaCN = AgCN + NaI
BeO + KOH = K2BeO2 + H2O =>
BeO + 2 KOH = K2BeO2 + H2O
P2O3 + Na2O = Na2P2O4 =>
P2O3 + Na2O = Na2P2O4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
FeCl3 + HOH = FeOHCl2 + HCl =>
FeCl3 + HOH = FeOHCl2 + HCl
N2 = N4 =>
2 N2 = N4
Ba + C2O4 = Ba(C2O4) =>
Ba + C2O4 = Ba(C2O4)
MnCl2 + Br2 + KOH = K2MnO4 + KBr + KCl + H2O =>
MnCl2 + 2 Br2 + 8 KOH = K2MnO4 + 4 KBr + 2 KCl + 4 H2O
NaOH + NiO = Na2NiO2 + H2O =>
2 NaOH + NiO = Na2NiO2 + H2O
CuCl2 + Al2O3 = AlCl3 + Cu + O2 =>
6 CuCl2 + 2 Al2O3 = 4 AlCl3 + 6 Cu + 3 O2
C6H13Cl + H2 = C7H16 + HCl =>
7 C6H13Cl + 6 H2 = 6 C7H16 + 7 HCl
NiCl2(H2O)6 + FeCl3(H2O)6 + AlCl3(H2O)6 + NaOH = Ni10Al2Fe18O40 + NaCl + H2O =>
10 NiCl2(H2O)6 + 18 FeCl3(H2O)6 + 2 AlCl3(H2O)6 + 80 NaOH = Ni10Al2Fe18O40 + 80 NaCl + 220 H2O
Na2S + O3 = Na2SO3 =>
Na2S + O3 = Na2SO3
Fe3O4(s) + CO(g) = FeO(s) + CO2(g) =>
Fe3O4(s) + CO(g) = 3 FeO(s) + CO2(g)
MnCl2*4H2O + NaOH = MnO2 + NaCl + H2O + H2 =>
MnCl2*4H2O + 2 NaOH = MnO2 + 2 NaCl + 4 H2O + H2
Fe + SO3 = S + FeO2 =>
3 Fe + 2 SO3 = 2 S + 3 FeO2
Fe{2+} + Cl2 = Fe{3+} + Cl{-} =>
2 Fe{2+} + Cl2 = 2 Fe{3+} + 2 Cl{-}
HNO3 + Na2Cr2O7 = H2Cr2O7 + NaNO3 =>
2 HNO3 + Na2Cr2O7 = H2Cr2O7 + 2 NaNO3
CaO + H2O = CaO2 + H2 =>
CaO + H2O = CaO2 + H2
CUCl + H2S = CUS + H2Cl =>
CUCl + H2S = CUS + H2Cl
Se(s) + O2(g) = SeO3 =>
2 Se(s) + 3 O2(g) = 2 SeO3
CH2 + H2 = C2H6 =>
2 CH2 + H2 = C2H6
F2 + CuBr2 = FBr + Cu =>
F2 + CuBr2 = 2 FBr + Cu
Fe(NO3)3 + NH3 = Fe(NH3)3 + NO3 =>
Fe(NO3)3 + 3 NH3 = Fe(NH3)3 + 3 NO3
Zn + H2SO4 + K3[Fe(CN)6] = Zn3[Fe(CN)6]2 + K2SO4 + H2 =>
3 Zn + 3 H2SO4 + 2 K3[Fe(CN)6] = Zn3[Fe(CN)6]2 + 3 K2SO4 + 3 H2
MnCO3 + O2 = MnO2 + CO2 =>
2 MnCO3 + O2 = 2 MnO2 + 2 CO2
C3H8O2 + K2Cr2O7 + H2SO4 = C3H4O4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C3H8O2 + 4 K2Cr2O7 + 16 H2SO4 = 3 C3H4O4 + 4 Cr2(SO4)3 + 4 K2SO4 + 22 H2O
C6H6O + HNO3 = C6H5NO3 + H2O =>
C6H6O + HNO3 = C6H5NO3 + H2O
MnCO3 + O2 = Mn3O4 + CO2 =>
6 MnCO3 + O2 = 2 Mn3O4 + 6 CO2
K2 + H2SO4 = K2SO3 + H2O =>
K2 + H2SO4 = K2SO3 + H2O
Na2[Co(OH)4] + H2O2 = CoO2 + NaOH + H2O =>
Na2[Co(OH)4] + H2O2 = CoO2 + 2 NaOH + 2 H2O
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