| Équations équilibrées la veille |
Mn2O3 + H2O = 2 MnO2 + 2 H
Co(NO3)2 + KSCN = K2[Co(SCN)4] + KNO3 =>
Co(NO3)2 + 4 KSCN = K2[Co(SCN)4] + 2 KNO3
NiO = Ni + O =>
NiO = Ni + O
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
CH2CHCHCH2 + KMnO4 + H2O = MnO2 + CH2(OH)CH(OH)CH(OH)CH2(OH) + KOH =>
3 CH2CHCHCH2 + 4 KMnO4 + 8 H2O = 4 MnO2 + 3 CH2(OH)CH(OH)CH(OH)CH2(OH) + 4 KOH
KOH + H2O + PbO2 + KCl = KPb(OH)3 + KClO =>
KOH + H2O + PbO2 + KCl = KPb(OH)3 + KClO
HN3 + NaOH = NaN3 + H2O =>
HN3 + NaOH = NaN3 + H2O
MnS2 + O2 = Mn2O3 + SO2 =>
4 MnS2 + 11 O2 = 2 Mn2O3 + 8 SO2
CH3CO2H + H2O = H3O + C2H3O2 =>
CH3CO2H + H2O = H3O + C2H3O2
SnCl4 + HCl = H2[SnCl6] =>
SnCl4 + 2 HCl = H2[SnCl6]
Na2B4O7 + CuSO4 + H2O = H3BO3 + CuOHBO2 + Na2SO4 =>
Na2B4O7 + CuSO4 + 5 H2O = 3 H3BO3 + CuOHBO2 + Na2SO4
C3H7Cl + Na = C6H14 + NaCl =>
2 C3H7Cl + 2 Na = C6H14 + 2 NaCl
Ca + H2O2 = CaO2 + H2 =>
Ca + H2O2 = CaO2 + H2
Ca(NO3)2 + NaHSO4 = HNO3 + CaSO4 + NaNO3 =>
Ca(NO3)2 + NaHSO4 = HNO3 + CaSO4 + NaNO3
KBrO3 + HBr + HCl = KCl + H2O + Br2 =>
KBrO3 + 5 HBr + HCl = KCl + 3 H2O + 3 Br2
Cu + HNO3 + H2SO4 + H2O = CuSO4*5H2O + NO =>
3 Cu + 2 HNO3 + 3 H2SO4 + 11 H2O = 3 CuSO4*5H2O + 2 NO
Ba + C = BaC2 =>
Ba + 2 C = BaC2
Fe2O3 + Ca3(PO4)2 = Fe(PO4) + CaO =>
Fe2O3 + Ca3(PO4)2 = 2 Fe(PO4) + 3 CaO
CH3COOH + (CH3)2CHCH2OH = CH3COOCH2CH2CH(CH3)2 + H2O =>
4 CH3COOH + 5(CH3)2CHCH2OH = 4 CH3COOCH2CH2CH(CH3)2 + 5 H2O
SnBr2 + Cr = CrBr3 + Sn =>
3 SnBr2 + 2 Cr = 2 CrBr3 + 3 Sn
CaCO3 + HC1 = CaC1 + H2O + CO2 =>
5 CaCO3 + 6 HC1 = 5 CaC1 + 3 H2O + 6 CO2
NaHCO3 + KC4H5O6 = C4H4Na2O6 + C4H4K2O6 + CO2 + H2O =>
2 NaHCO3 + 2 KC4H5O6 = C4H4Na2O6 + C4H4K2O6 + 2 CO2 + 2 H2O
Na2SO4 + HCN = NaCN + H2SO4 =>
Na2SO4 + 2 HCN = 2 NaCN + H2SO4
C2H4 + Cl2 = C2H4Cl2 =>
C2H4 + Cl2 = C2H4Cl2
Ni{2+} + NH3 = Ni(NH3)4{2+} =>
Ni{2+} + 4 NH3 = Ni(NH3)4{2+}
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
HgSO4 + Al = Al2(SO4)3 + Hg =>
3 HgSO4 + 2 Al = Al2(SO4)3 + 3 Hg
NaOH(aq) + Al(NO3)3(aq) = NaNO3(aq) + Al(OH)3 =>
3 NaOH(aq) + Al(NO3)3(aq) = 3 NaNO3(aq) + Al(OH)3
Rb + I2 = RbI =>
2 Rb + I2 = 2 RbI
Au + AgNO3 = Ag + Au(NO3)2 =>
Au + 2 AgNO3 = 2 Ag + Au(NO3)2
HBr(aq) + H2O(l) = H3O + Br =>
HBr(aq) + H2O(l) = H3O + Br
RbI3 + ClO3{-} = I2 + Cl{-} + Rb2O =>
6 RbI3 + ClO3{-} = 9 I2 + Cl{-} + 3 Rb2O
C4H4(g) + O2(g) = CO2(g) + H2O(l) =>
C4H4(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(l)
Ni{2+} + NH3 = Ni(NH3)4{2+} =>
Ni{2+} + 4 NH3 = Ni(NH3)4{2+}
Na2S4O6 + HCl + Al = NaCl + Al2Cl6 + H2O + H2S =>
Na2S4O6 + 20 HCl + 6 Al = 2 NaCl + 3 Al2Cl6 + 6 H2O + 4 H2S
HClO3 + NaNO2 = NaClO3 + HNO2 =>
HClO3 + NaNO2 = NaClO3 + HNO2
Cs(s) + HBr(aq) = BrCs + H2 =>
2 Cs(s) + 2 HBr(aq) = 2 BrCs + H2
[Ni(NH3)6]{2+} + (CH3)2C2(NOH)2 = NH4{+} + NH3 + NiC8H14N4O4 =>
[Ni(NH3)6]{2+} + 2(CH3)2C2(NOH)2 = 2 NH4{+} + 4 NH3 + NiC8H14N4O4
CH3CONH2 + P2O5 = CH3CN + P2O6H2 =>
CH3CONH2 + P2O5 = CH3CN + P2O6H2
Zn(C2H3O2)2 + (NH4)2SO4 = ZnSO4 + NH4(C2H3O2) =>
Zn(C2H3O2)2 + (NH4)2SO4 = ZnSO4 + 2 NH4(C2H3O2)
Co(NO3)3 + (NH4)2S = Co2S3 + NH4NO3 =>
2 Co(NO3)3 + 3(NH4)2S = Co2S3 + 6 NH4NO3
MnO4{-} + S{-2} + H2O = MnO2 + S8 + OH{-} =>
16 MnO4{-} + 24 S{-2} + 32 H2O = 16 MnO2 + 3 S8 + 64 OH{-}
ZnCl2 + H2S = ZnS + HCl =>
ZnCl2 + H2S = ZnS + 2 HCl
SrO2 + H2O = H2SrO3 =>
SrO2 + H2O = H2SrO3
Mg(OH)2 + SO3 = MgSO4 + H2O =>
Mg(OH)2 + SO3 = MgSO4 + H2O
Na2CrO4 + Na2SO3 + H2O = NaCrO2 + Na2SO4 + NaOH =>
2 Na2CrO4 + 3 Na2SO3 + H2O = 2 NaCrO2 + 3 Na2SO4 + 2 NaOH
Fe2O3 + H2C2O4 = Fe2(C2O4)3 + H2O =>
Fe2O3 + 3 H2C2O4 = Fe2(C2O4)3 + 3 H2O
TiO2(s) + C(s) + Cl2(g) = TiCl4(s) + CO2(g) =>
TiO2(s) + C(s) + 2 Cl2(g) = TiCl4(s) + CO2(g)
Mg(OH)2 + SO3 = MgSO4 + H2O =>
Mg(OH)2 + SO3 = MgSO4 + H2O
NaCl(s) + SO2(g) + H2O(g) + O2(g) = Na2SO4(s) + HCl(g) =>
4 NaCl(s) + 2 SO2(g) + 2 H2O(g) + O2(g) = 2 Na2SO4(s) + 4 HCl(g)
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