| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe(SO4) + K4(Fe(CN)6) = 2 K2(SO4) + Fe2(Fe(CN)6)
Ca + Fe(No3)3 = Ca3(No3)6 + Fe =>
3 Ca + 2 Fe(No3)3 = Ca3(No3)6 + 2 Fe
C6H8O3 + H2O = C7H6O3 + CH4O =>
7 C6H8O3 + H2O = 5 C7H6O3 + 7 CH4O
Mg(HSO4)2 + AgNO3 = Mg(NO3)2 + AgHSO4 =>
Mg(HSO4)2 + 2 AgNO3 = Mg(NO3)2 + 2 AgHSO4
KMnO4 + H2SO4 + NaNO2 = MnSO4 + NaNO3 + H2O + KH =>
2 KMnO4 + 2 H2SO4 + 7 NaNO2 = 2 MnSO4 + 7 NaNO3 + H2O + 2 KH
K2Cr2O7 + FeCl2 + HCl = CrCl3 + FeCl3 + KOH + H2O =>
K2Cr2O7 + 6 FeCl2 + 12 HCl = 2 CrCl3 + 6 FeCl3 + 2 KOH + 5 H2O
K2CO3 + HCl = KCl + KHCO3 =>
K2CO3 + HCl = KCl + KHCO3
Fe(SO4) + K4(Fe(CN)6) = K2(SO4) + Fe2(Fe(CN)6) =>
2 Fe(SO4) + K4(Fe(CN)6) = 2 K2(SO4) + Fe2(Fe(CN)6)
Cu + PbSO4 = Pb + CuSO4 =>
Cu + PbSO4 = Pb + CuSO4
Nh4OH + AlCl3 = Al(OH)3 + Nh4Cl =>
3 Nh4OH + AlCl3 = Al(OH)3 + 3 Nh4Cl
(NH4)2SO3 = NH3 + SO2 + H2O =>
(NH4)2SO3 = 2 NH3 + SO2 + H2O
Li + N2 = LiN2 =>
Li + N2 = LiN2
Na + NiSO4 = Na2SO4 + Ni =>
2 Na + NiSO4 = Na2SO4 + Ni
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
I2 + Al2 = AlI3 =>
3 I2 + Al2 = 2 AlI3
Li2CO3 + H2O = LiHCO3 + LiOH =>
Li2CO3 + H2O = LiHCO3 + LiOH
Ca3(PO4) + SiO2 + C = P + Ca2O4Si + CO2 =>
2 Ca3(PO4) + 3 SiO2 + C = 2 P + 3 Ca2O4Si + CO2
Na2ZnO2 = Na2O + ZnO =>
Na2ZnO2 = Na2O + ZnO
WO3 + WCl6 = WO2Cl2 =>
2 WO3 + WCl6 = 3 WO2Cl2
AlOHSO4 + HNO3 = Al(NO3)3 + H2SO4 + H2O =>
AlOHSO4 + 3 HNO3 = Al(NO3)3 + H2SO4 + H2O
Cl + HNa = HCl + Na2 =>
2 Cl + 2 HNa = 2 HCl + Na2
HCOOH + C3H8 = HCOOC3H7 + H2 =>
HCOOH + C3H8 = HCOOC3H7 + H2
CH3CH(CH3)CH2OH + Na2Cr2O7 + H2SO4 = CH3CH(CH3)COOH + Na2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CH(CH3)CH2OH + 2 Na2Cr2O7 + 8 H2SO4 = 3 CH3CH(CH3)COOH + 2 Na2SO4 + 2 Cr2(SO4)3 + 11 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Fe(NO3)2 + Na = FeNa + NO3 =>
Fe(NO3)2 + Na = FeNa + 2 NO3
K + Ce2 = KCe =>
2 K + Ce2 = 2 KCe
AgNO3 + Fe(NO3)2 = Ag + Fe(NO3)3 =>
AgNO3 + Fe(NO3)2 = Ag + Fe(NO3)3
CH3(H2)2CH3 + O2 = CO2 + H2O =>
2 CH3(H2)2CH3 + 9 O2 = 4 CO2 + 10 H2O
C6H5CH3 + Br2 = C6H2CH2Br + HBr =>
2 C6H5CH3 + 5 Br2 = 2 C6H2CH2Br + 8 HBr
Mg3(PO4)2(s) + Li2S(aq) = Li3PO4(aq) + MgS(s) =>
Mg3(PO4)2(s) + 3 Li2S(aq) = 2 Li3PO4(aq) + 3 MgS(s)
Al3 + NH23 = N2Al3 + HAl5 =>
233 Al3 + 6 NH23 = 3 N2Al3 + 138 HAl5
NH4Cl(aq) + Ca(OH)2(aq) = CaCl2 + NH3 + H2O =>
2 NH4Cl(aq) + Ca(OH)2(aq) = CaCl2 + 2 NH3 + 2 H2O
H3PO4 + CoC2O4 = H2C2O4 + Co3(PO4)2 =>
2 H3PO4 + 3 CoC2O4 = 3 H2C2O4 + Co3(PO4)2
H2S + MgCl2 = MgS + HCl =>
H2S + MgCl2 = MgS + 2 HCl
Nh4OH + AlCl3 = Al(OH)3 + Nh4Cl =>
3 Nh4OH + AlCl3 = Al(OH)3 + 3 Nh4Cl
I2O5(s) + CO = I2(s) + CO2(g) =>
I2O5(s) + 5 CO = I2(s) + 5 CO2(g)
C8H10N2O3S + H2O + HCl + NaHCO3 = C6H8N2O2S + CH3CO2 + NaCl =>
7 C8H10N2O3S + 3 H2O + 2 HCl + 2 NaHCO3 = 7 C6H8N2O2S + 8 CH3CO2 + 2 NaCl
Silicon + bromine = silicontetrabromide =>
Si + 2 Br2 = SiBr4
Li + N2 = LiN2 =>
Li + N2 = LiN2
Na2(SO4) + KCl = K2(SO4) + NaCl =>
Na2(SO4) + 2 KCl = K2(SO4) + 2 NaCl
C3H5Cl + O2 = CO2 + H2O + HCl =>
C3H5Cl + 4 O2 = 3 CO2 + 2 H2O + HCl
H2SO3 + Ca(OH) = Ca2SO3 + H2O =>
H2SO3 + 2 Ca(OH) = Ca2SO3 + 2 H2O
CO + Fe{-}3O{-}4 = CO{-}2 + Fe =>
CO + Fe{-}3O{-}4 = CO{-}2 + Fe
Pb(NO3)2(aq) + Ba(aq) = Pb(aq) + Ba(NO3)2(aq) =>
Pb(NO3)2(aq) + Ba(aq) = Pb(aq) + Ba(NO3)2(aq)
Fe(SO4) + K4(Fe(CN)6) = K2(SO4) + Fe2(Fe(CN)6) =>
2 Fe(SO4) + K4(Fe(CN)6) = 2 K2(SO4) + Fe2(Fe(CN)6)
PhO2 + HCl = PhCl2 + Cl2 + H2O =>
PhO2 + 4 HCl = PhCl2 + Cl2 + 2 H2O
PbF2 + FeF2 + FeF3 = PbFe13F39 =>
PbF2 + 2 FeF2 + 11 FeF3 = PbFe13F39
BiCl3 + K2S2O8 + KOH = KBiO3 + S + KCl + H2O =>
7 BiCl3 + K2S2O8 + 26 KOH = 7 KBiO3 + 2 S + 21 KCl + 13 H2O
Li2CO3 + H2O = LiOH + CO2 =>
Li2CO3 + H2O = 2 LiOH + CO2
FeBr2(aq) + K2CO3(aq) = FeCO3(s) + KBr(g) =>
FeBr2(aq) + K2CO3(aq) = FeCO3(s) + 2 KBr(g)
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