| Équations équilibrées la veille |
2 C4H10(g) + 13 O2 = 10 H2O(g) + 8 CO2
AlCl3 + SCl2 = Al2S3 + Cl2 =>
2 AlCl3 + 3 SCl2 = Al2S3 + 6 Cl2
Cu + NiO = CuO + Ni =>
Cu + NiO = CuO + Ni
Ca2CO3 + H2SO4 = Ca2SO4 + H2CO3 =>
Ca2CO3 + H2SO4 = Ca2SO4 + H2CO3
Mg(s) + AlCl3(aq) = Al(s) + MgCl2 =>
3 Mg(s) + 2 AlCl3(aq) = 2 Al(s) + 3 MgCl2
HI + H2O = H3O + I2 =>
2 HI + 2 H2O = 2 H3O + I2
Ba(OH)2 + CuI2 = Cu(OH)2 + BaI2 =>
Ba(OH)2 + CuI2 = Cu(OH)2 + BaI2
Ca(ClO)2 + NaI + H2SO4 = I2 + CaCl2 + Na2SO4 + H2O =>
Ca(ClO)2 + 4 NaI + 2 H2SO4 = 2 I2 + CaCl2 + 2 Na2SO4 + 2 H2O
S + CuSO4 = SSO4 + Cu =>
S + CuSO4 = SSO4 + Cu
Na2(Zn(OH)4) + H2SO4 = Zn(OH)2 + Na2SO4 + H2O =>
Na2(Zn(OH)4) + H2SO4 = Zn(OH)2 + Na2SO4 + 2 H2O
K2Se + KMnO4 + H2SO4 = Se + K2SO4 + MnSO4 + H2O =>
5 K2Se + 2 KMnO4 + 8 H2SO4 = 5 Se + 6 K2SO4 + 2 MnSO4 + 8 H2O
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
AgNO3 + K2CO3 = Ag2CO3 + KNO3 =>
2 AgNO3 + K2CO3 = Ag2CO3 + 2 KNO3
Ca + HBr = CaBr2 + H2 =>
Ca + 2 HBr = CaBr2 + H2
(NH4)2SO4 + Ca(OH)2 = NH4(OH) + CaSO4 =>
(NH4)2SO4 + Ca(OH)2 = 2 NH4(OH) + CaSO4
Pb + RbOH = Rb2PbO2 + H2 =>
Pb + 2 RbOH = Rb2PbO2 + H2
C4H9COOH + C3H8O = C4H9COOC3H8 + H2O =>
9 C4H9COOH + 17 C3H8O = 12 C4H9COOC3H8 + 11 H2O
K3P + O2 = K3PO4 =>
K3P + 2 O2 = K3PO4
Pb + HNO3 = PbO2 + NO2 + H2O =>
Pb + 4 HNO3 = PbO2 + 4 NO2 + 2 H2O
C3H5O3(NO2)3 + H2O = C3H5(OH)3 + HNO3 =>
C3H5O3(NO2)3 + 3 H2O = C3H5(OH)3 + 3 HNO3
NaI + H2O + Na2CrO4 = NaOH + NaIO3 + CrI3 =>
7 NaI + 5 H2O + 2 Na2CrO4 = 10 NaOH + NaIO3 + 2 CrI3
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
HI + O2 = I2 + H2O =>
4 HI + O2 = 2 I2 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
K2CrO7 + H2SO4 + KNO2 = Cr2(SO4) + KNO3 + K2SO4 + H2O =>
2 K2CrO7 + 3 H2SO4 + 11 KNO2 = Cr2(SO4) + 11 KNO3 + 2 K2SO4 + 3 H2O
Cl2 + Cr3{+} + H2O = Cr2O72{-} + Cl{-} + H{+} =>
427 Cl2 + 4 Cr3{+} + 432 H2O = 6 Cr2O72{-} + 854 Cl{-} + 864 H{+}
Cu(NO{3}){2} + NaOH = CuOH{2} + NaNO{3} =>
Cu(NO{3}){2} + NaOH = CuOH{2} + NaNO{3}
Bi(OH)3 + H3PO4 = Bi(H2PO4)3 + H2O =>
Bi(OH)3 + 3 H3PO4 = Bi(H2PO4)3 + 3 H2O
Al2Si2O5(OH)4 + NaOH = NaAlO2 + SiO2 + H2O =>
Al2Si2O5(OH)4 + 2 NaOH = 2 NaAlO2 + 2 SiO2 + 3 H2O
NH4NO3 + Ca(OH)2 = Ca(NO3)2 + H2O + NH =>
3 NH4NO3 + Ca(OH)2 = Ca(NO3)2 + 5 H2O + 4 NH
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
K + H2O = K{+} + OH{-}(aq) + H2(g) =>
2 K + 2 H2O = 2 K{+} + 2 OH{-}(aq) + H2(g)
S3O6{-2} + MnO4{-} + H{+} = SO4{2-} + Mn{2+} + H2O =>
5 S3O6{-2} + 8 MnO4{-} + 4 H{+} = 15 SO4{2-} + 8 Mn{2+} + 2 H2O
Na2Cr2O7 + SO2 + H2O = Na2SO4 + Cr2(OH)2(SO4)2 =>
Na2Cr2O7 + 3 SO2 + H2O = Na2SO4 + Cr2(OH)2(SO4)2
sulfur + water = hydrogensulfide + oxygen =>
2 S + 2 H2O = 2 H2S + O2
MgBr2 + (NH4)2S = MgS + (NH4)Br =>
MgBr2 + (NH4)2S = MgS + 2(NH4)Br
Fe(s) + Sn(NO3)4(aq) = Fe(NO3)3(aq) + Sn(s) =>
4 Fe(s) + 3 Sn(NO3)4(aq) = 4 Fe(NO3)3(aq) + 3 Sn(s)
K2Cr2O7 + C12H22O12 = Cr2O3 + K2CO3 + CO2 + H2O =>
23 K2Cr2O7 + 3 C12H22O12 = 23 Cr2O3 + 23 K2CO3 + 13 CO2 + 33 H2O
C6H12O6 + O(g) = CO2(g) + H2O(g) =>
C6H12O6 + 12 O(g) = 6 CO2(g) + 6 H2O(g)
Fe(OH)SO4 = FeOHSO4 =>
Fe(OH)SO4 = FeOHSO4
Si + NaOH + H2O = Na2[SiO2(OH)2] + H2 =>
Si + 2 NaOH + 2 H2O = Na2[SiO2(OH)2] + 2 H2
HCOONa + NH4OH = HCOONH4 + NaOH =>
HCOONa + NH4OH = HCOONH4 + NaOH
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
NO2 + OH{-} = NO3{-} + H2O + e =>
NO2 + 2 OH{-} = NO3{-} + H2O + e
KMnO4 + H2SO4 + KNO2 = HNO3 + MnSO4 + K2SO4 + H2O =>
4 KMnO4 + 11 H2SO4 + 10 KNO2 = 10 HNO3 + 4 MnSO4 + 7 K2SO4 + 6 H2O
Al + Pb{+2} = Al3{+} + Pb =>
6 Al + Pb{+2} = 2 Al3{+} + Pb
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