| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 S2O8{2-} + 2 Cr{3+} + 7 H2O = Cr2O7{-2} + 6 SO4{-2} + 14 H{+}
Zn + KSCN + H2SO4 = H2S + HCN + ZnSO4 + K2SO4 =>
2 Zn + 2 KSCN + 3 H2SO4 = 2 H2S + 2 HCN + 2 ZnSO4 + K2SO4
FeCl3 + KNO3 = KCl3 + FeNO3 =>
FeCl3 + KNO3 = KCl3 + FeNO3
MgCO3 + SiO2 = Mg2SiO4 + CO2 =>
2 MgCO3 + SiO2 = Mg2SiO4 + 2 CO2
CH3OH + K2CrO4 + H2SO4 = CH2O + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3OH + 2 K2CrO4 + 5 H2SO4 = 3 CH2O + Cr2(SO4)3 + 2 K2SO4 + 8 H2O
Pb(CH3COO)2 + SO4 = Pb(SO4)2 + (CH3COO)2 =>
Pb(CH3COO)2 + 2 SO4 = Pb(SO4)2 + (CH3COO)2
AgO = Ag2O2 =>
2 AgO = Ag2O2
K2SO4 + Al(NO3)3 = Al2(SO4)3 + KNO3 =>
3 K2SO4 + 2 Al(NO3)3 = Al2(SO4)3 + 6 KNO3
FeO*Cr2O3 + Na2CO3 + NaNO3 = Na2CrO4 + Fe2O3 + CO2 + NaNO2 =>
2 FeO*Cr2O3 + 4 Na2CO3 + 7 NaNO3 = 4 Na2CrO4 + Fe2O3 + 4 CO2 + 7 NaNO2
Hg2(NO3)2(aq) + KCl(aq) = Hg2Cl2(s) + K(NO3)(aq) =>
Hg2(NO3)2(aq) + 2 KCl(aq) = Hg2Cl2(s) + 2 K(NO3)(aq)
(NH4)2CO3(s) = NH3 + CO2 + H2O =>
(NH4)2CO3(s) = 2 NH3 + CO2 + H2O
K4Si + H2SO4 = SO2 + H2O + K2SO4 + Si =>
K4Si + 4 H2SO4 = 2 SO2 + 4 H2O + 2 K2SO4 + Si
Hg(OH)2 + HMnO4 = Hg(MnO4)2 + H2O =>
Hg(OH)2 + 2 HMnO4 = Hg(MnO4)2 + 2 H2O
Mg + (Al)2(SO4)3 = Al + MgSO4 =>
3 Mg + (Al)2(SO4)3 = 2 Al + 3 MgSO4
Fe(NH4)2(SO4)2 + HNO3 = NO + Fe(NO3)3 + (NH4)2SO4 + H2SO42 =>
13 Fe(NH4)2(SO4)2 + 86 HNO3 = 27 NO + 13 Fe(NO3)3 + 23(NH4)2SO4 + 3 H2SO42
Pb(NO2)2 + H2O = Pb(OH)2 + HNO2 =>
Pb(NO2)2 + 2 H2O = Pb(OH)2 + 2 HNO2
Na + P2 = NaP2 =>
Na + P2 = NaP2
HF + CH3OH = CH3F + H2O =>
HF + CH3OH = CH3F + H2O
Cr(OH)3 + HClO3 = Cr(ClO3)3 + HOH =>
Cr(OH)3 + 3 HClO3 = Cr(ClO3)3 + 3 HOH
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
CaO + Al = Ca + Ca(AlO2)2 =>
4 CaO + 2 Al = 3 Ca + Ca(AlO2)2
Mn2O3 + Al = Al2O3 + Mn =>
Mn2O3 + 2 Al = Al2O3 + 2 Mn
S{+4} + Zn{+2} = {+} + SZn =>
S{+4} + Zn{+2} = 6{+} + SZn
P + I2 + H2O = H3PO4 + HI2 =>
P + 5 I2 + 4 H2O = H3PO4 + 5 HI2
CH3COOC2H5 + NaOH = C2H5OH + CH3COONa =>
CH3COOC2H5 + NaOH = C2H5OH + CH3COONa
CoCl2 = Co + Cl =>
CoCl2 = Co + 2 Cl
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Ba(NO3)2(aq) + KBr(aq) = BaBr2(aq) + KNO3(aq) =>
Ba(NO3)2(aq) + 2 KBr(aq) = BaBr2(aq) + 2 KNO3(aq)
Zn(OH)2 + OH{-} = Zn(OH)4{-2} =>
Zn(OH)2 + 2 OH{-} = Zn(OH)4{-2}
FeHO2 = Fe2O3 + H2O =>
2 FeHO2 = Fe2O3 + H2O
CaCrO4 + H = Cr2O7 + H2O + Ca =>
2 CaCrO4 + 2 H = Cr2O7 + H2O + 2 Ca
Nb + HCl = NbCl + H2 =>
2 Nb + 2 HCl = 2 NbCl + H2
HIO3 + FeSO4 + H2SO4 = Fe2(SO4)3 + H2O + I2 =>
2 HIO3 + 10 FeSO4 + 5 H2SO4 = 5 Fe2(SO4)3 + 6 H2O + I2
CuONaOH = CuOHNaO =>
CuONaOH = CuOHNaO
H2O2 + SO2 = H2SO4 =>
H2O2 + SO2 = H2SO4
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Mg(s) + HNO3(aq) = Mg(NO3)2(aq) + H2(g) =>
Mg(s) + 2 HNO3(aq) = Mg(NO3)2(aq) + H2(g)
S + SO4{-2} + OH{-} = SO3{2-} + H2O =>
S + 2 SO4{-2} + 2 OH{-} = 3 SO3{2-} + H2O
K(Cl)O3 = K(Cl)O4 + K(Cl) =>
4 K(Cl)O3 = 3 K(Cl)O4 + K(Cl)
AgNO3 + K2SiO3 = Ag2SiO3 + KNO3 =>
2 AgNO3 + K2SiO3 = Ag2SiO3 + 2 KNO3
H2O2 + SO2 = H2SO4 =>
H2O2 + SO2 = H2SO4
CuCl2Mg = MgCl2Cu =>
CuCl2Mg = MgCl2Cu
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
CoCl2 + H2O = HCl + CoCl + O2 =>
4 CoCl2 + 2 H2O = 4 HCl + 4 CoCl + O2
Sc + I2 = ScI2 =>
Sc + I2 = ScI2
K(Cl)O3 = K(Cl)O4 + K(Cl) =>
4 K(Cl)O3 = 3 K(Cl)O4 + K(Cl)
C + H2O = CO + H2 =>
C + H2O = CO + H2
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
C3H8Br2 = C3H7BrHBr =>
C3H8Br2 = C3H7BrHBr
Na2(CO3) + FeCl3 = Fe2O3 + NaCl + CO2 =>
3 Na2(CO3) + 2 FeCl3 = Fe2O3 + 6 NaCl + 3 CO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/20/24
Équations équilibrées sur12/20/23
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