| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 BF3 + 3 NaBH4 = 2 B2H6 + 3 NaBF4
Zn + C = Zn2C4 =>
2 Zn + 4 C = Zn2C4
CH3COOH + CH3(CH2)4OH = CH3COO(CH2)4CH3 + H2O =>
CH3COOH + CH3(CH2)4OH = CH3COO(CH2)4CH3 + H2O
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
Hg(OH)2 + H3(PO4) = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3(PO4) = Hg3(PO4)2 + 6 H2O
Cd(OH)2 + NaOH = Na2CdO2 + H2O =>
Cd(OH)2 + 2 NaOH = Na2CdO2 + 2 H2O
VCl3 + NaSbCl6 = NaVCl6 + SbCl3 =>
VCl3 + NaSbCl6 = NaVCl6 + SbCl3
H{+} + Cr2O72{-} + C2H5OH = Cr3 + CO2 + H2O =>
12 H{+} + 12 Cr2O72{-} + 143 C2H5OH = 8 Cr3 + 286 CO2 + 435 H2O
Co + EDTA = Co(EDTA) =>
Co + EDTA = Co(EDTA)
C2H4 + KMnO4 = MnO2 + KOH + K2C2O4 + H2O =>
3 C2H4 + 10 KMnO4 = 10 MnO2 + 4 KOH + 3 K2C2O4 + 4 H2O
Fe2(SO4)3 + KSCN = K3Fe(SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2SO4
Zn + Pb3(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb3(NO3)2 = Zn(NO3)2 + 3 Pb
K2FeO4 + K2SO3 + H2SO4 = Fe2(SO4)3 + K2SO4 + H2O =>
2 K2FeO4 + 3 K2SO3 + 5 H2SO4 = Fe2(SO4)3 + 5 K2SO4 + 5 H2O
AlK(SO4)2*12H2O = Al(OH)3 + H2SO4 + KOH + H2O =>
AlK(SO4)2*12H2O = Al(OH)3 + 2 H2SO4 + KOH + 8 H2O
Pb + H2O + O2 = Pb(OH)2 =>
2 Pb + 2 H2O + O2 = 2 Pb(OH)2
NaBr + H2SO2 = HBr + Na2SO2 =>
2 NaBr + H2SO2 = 2 HBr + Na2SO2
HNaO2 + H3PO4 = HNaPO4 + H3O2 =>
HNaO2 + H3PO4 = HNaPO4 + H3O2
Cu2S + NH3 = S2 + Cu(NH3)2 =>
2 Cu2S + 8 NH3 = S2 + 4 Cu(NH3)2
NH4H2PO4 = P2O5 + NH4H2O + O2 =>
4 NH4H2PO4 = 2 P2O5 + 4 NH4H2O + O2
Ag + AuCl = AgCl + Au =>
Ag + AuCl = AgCl + Au
Al2O3 + NHO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 NHO3 = 2 Al(NO3)3 + 3 H2O
Fe{+3} + Sn{+2} = Fe + Sn{+4} =>
2 Fe{+3} + 3 Sn{+2} = 2 Fe + 3 Sn{+4}
(NH4)3PO4 + K2C2O4 = (NH4)2C2O4 + K3PO4 =>
2(NH4)3PO4 + 3 K2C2O4 = 3(NH4)2C2O4 + 2 K3PO4
K + Cr(NO3)2 = Cr + KNO3 =>
2 K + Cr(NO3)2 = Cr + 2 KNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Br2O7 + NaAsO2 + NaOH = NaAsO3 + NaBr + H2O =>
Br2O7 + 8 NaAsO2 + 2 NaOH = 8 NaAsO3 + 2 NaBr + H2O
NaClO3(catalyst) = NaCl + O2 =>
2 NaClO3(catalyst) = 2 NaCl + 3 O2
CC + O2 + N2 + H2 = H2NCH2COOH =>
2 CC + 2 O2 + N2 + 5 H2 = 2 H2NCH2COOH
NH4NCS + AgNO3 = NH4NCSAgNO3 =>
NH4NCS + AgNO3 = NH4NCSAgNO3
ClO{-} + S2O3{-2} + OH{-} = SO4{-2} + Cl{-} + H2O =>
4 ClO{-} + S2O3{-2} + 2 OH{-} = 2 SO4{-2} + 4 Cl{-} + H2O
LiNO3 + C = Li2CO3 + CO2 + N2 =>
4 LiNO3 + 5 C = 2 Li2CO3 + 3 CO2 + 2 N2
Ba(OH)2 + NH4Br = BaBr2 + NH4OH =>
Ba(OH)2 + 2 NH4Br = BaBr2 + 2 NH4OH
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3CH2COOCH2CH3 + NaOH = C5H9O2 + Na + H2O =>
CH3CH2COOCH2CH3 + NaOH = C5H9O2 + Na + H2O
N2O = N + O2 =>
2 N2O = 4 N + O2
Hg + FeCl3 = HgCl2 + Fe =>
3 Hg + 2 FeCl3 = 3 HgCl2 + 2 Fe
K + HNO3 = KNO3 + N2O + H2O =>
8 K + 10 HNO3 = 8 KNO3 + N2O + 5 H2O
AgNo3 + I2 = AgI + No3 =>
2 AgNo3 + I2 = 2 AgI + 2 No3
Bi2(SO4)3 + KI = K[BiI4] + K2SO4 =>
Bi2(SO4)3 + 8 KI = 2 K[BiI4] + 3 K2SO4
CH3 + Cl2 = C + HCl =>
2 CH3 + 3 Cl2 = 2 C + 6 HCl
NaPO4{3-} + CaCl = CaPO4{3-} + NaCl =>
NaPO4{3-} + CaCl = CaPO4{3-} + NaCl
K + HNO3 = KNO3 + N2O + H2O =>
8 K + 10 HNO3 = 8 KNO3 + N2O + 5 H2O
CuI + NH3 + O2 = [Cu(NH3)4]2{+} + IO3{-} + I2 =>
4 CuI + 16 NH3 + 3 O2 = 2[Cu(NH3)4]2{+} + 2 IO3{-} + I2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
(PbOH)2CO3(s) + Ca(OH)2(aq) = Pb(OH)2(aq) + CaCO3(s) =>
(PbOH)2CO3(s) + Ca(OH)2(aq) = 2 Pb(OH)2(aq) + CaCO3(s)
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
CuSO4(heat) = CuSO4 =>
CuSO4(heat) = CuSO4
Ni + HNO3 = Ni2NO3 + H2 =>
4 Ni + 2 HNO3 = 2 Ni2NO3 + H2
(NH4)3(PO4) + O = O3(PO4)2 + NH4 =>
2(NH4)3(PO4) + 3 O = O3(PO4)2 + 6 NH4
Ag + HNO3 = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3 = AgNO3 + NO2 + H2O
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Équations équilibrées sur12/22/24
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