| Équations équilibrées la veille |
2(NH4)(OH) + H2SO4 = (NH4)2(SO4) + 2 H2O
As4 + KClO3 + KOH = K3AsO4 + KCl + H2O =>
3 As4 + 10 KClO3 + 36 KOH = 12 K3AsO4 + 10 KCl + 18 H2O
H2SiO3 + NaCl = Na2SiO3 + HCl =>
H2SiO3 + 2 NaCl = Na2SiO3 + 2 HCl
AlPO4 + H2SO4 = Al2(SO4)3 + H3PO4 =>
2 AlPO4 + 3 H2SO4 = Al2(SO4)3 + 2 H3PO4
Sn + HBF4 = Sn(BF4)2 + H2 =>
Sn + 2 HBF4 = Sn(BF4)2 + H2
Fe + HNO3 = Fe(NO3)3 + H2 =>
2 Fe + 6 HNO3 = 2 Fe(NO3)3 + 3 H2
NCO3 + HNO3 = N(NO3)2 + H2O + CO2 =>
NCO3 + 2 HNO3 = N(NO3)2 + H2O + CO2
As2S5 + NaNO3 + HCl = H3AsO4 + NaHSO4 + NO2 + H2O + NaCl =>
As2S5 + 40 NaNO3 + 35 HCl = 2 H3AsO4 + 5 NaHSO4 + 40 NO2 + 12 H2O + 35 NaCl
C3H8O3 + Na = C3H6O3Na3 + H2 =>
C3H8O3 + 3 Na = C3H6O3Na3 + H2
MnO4{-} + Br{-} = MnO2{-} + BrO3{-} =>
3 MnO4{-} + 2 Br{-} = 3 MnO2{-} + 2 BrO3{-}
CaO + Cl2O3 = CaCl2O4 =>
CaO + Cl2O3 = CaCl2O4
La + HNO3 = La(NO3)3 + NO + H2O =>
La + 4 HNO3 = La(NO3)3 + NO + 2 H2O
COS + NaOH = Na2CO3 + NaHS + H2O =>
COS + 3 NaOH = Na2CO3 + NaHS + H2O
Cd + HNO2 = Cd(NO2)2 + H2 =>
Cd + 2 HNO2 = Cd(NO2)2 + H2
HBr + KMnO4 = KBr + MnBr2 + Br20 + H2O =>
32 HBr + 4 KMnO4 = 4 KBr + 4 MnBr2 + Br20 + 16 H2O
Na(s) + H2SO4(s) = Na2SO4(aq) + H2(g) =>
2 Na(s) + H2SO4(s) = Na2SO4(aq) + H2(g)
C12H8S + H2 = C12H10 + H2S =>
C12H8S + 2 H2 = C12H10 + H2S
Al2O3 + KOH = Al(OH)3 + K2O =>
Al2O3 + 6 KOH = 2 Al(OH)3 + 3 K2O
KI + CuCl2 = I2 + KCl + CuI =>
4 KI + 2 CuCl2 = I2 + 4 KCl + 2 CuI
Co + CaO = CaCo3 + O2 =>
6 Co + 2 CaO = 2 CaCo3 + O2
(NH4)2SO4 + HOH = H2SO4 + NH4OH =>
(NH4)2SO4 + 2 HOH = H2SO4 + 2 NH4OH
NH4Cl + MnSO4 = MnCl2 + (NH4)2(SO4) =>
2 NH4Cl + MnSO4 = MnCl2 + (NH4)2(SO4)
NH4NO3 + LiOH = NH4OH + LiNO3 =>
NH4NO3 + LiOH = NH4OH + LiNO3
NaHCO3 + HF = H2CO3 + NaF =>
NaHCO3 + HF = H2CO3 + NaF
SnCl2*2H2O + C3H7NO = Sn + CO2 + HCl + H2O + (CH3)2NH =>
SnCl2*2H2O + C3H7NO = Sn + CO2 + 2 HCl + H2O + (CH3)2NH
H2S + OH = HS + H2O =>
H2S + OH = HS + H2O
KMnO4 + H2SO4 + KBr = K2SO4 + Br2 + MnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 KBr = 6 K2SO4 + 5 Br2 + 2 MnSO4 + 8 H2O
Ni + H2CO3 = NiCO3 + H2 =>
Ni + H2CO3 = NiCO3 + H2
BeO + H2 = Be + H2O =>
BeO + H2 = Be + H2O
Zn(OH)2 + HI = ZnI2 + H2O =>
Zn(OH)2 + 2 HI = ZnI2 + 2 H2O
HClO + Ni(OH)2 = Ni(ClO)2 + HOH =>
2 HClO + Ni(OH)2 = Ni(ClO)2 + 2 HOH
Cu2 + S2 = Cu2S =>
2 Cu2 + S2 = 2 Cu2S
Li2O + H2CO3 = LiHCO3 + H2O =>
Li2O + 2 H2CO3 = 2 LiHCO3 + H2O
ZO + C = Z + CO2 =>
2 ZO + C = 2 Z + CO2
Ba(CO3)2 + HCl = BaCl2 + H(CO3) =>
Ba(CO3)2 + 2 HCl = BaCl2 + 2 H(CO3)
C4H7N3O + O2 = CO2 + H2O + NO3 =>
4 C4H7N3O + 39 O2 = 16 CO2 + 14 H2O + 12 NO3
H6C3O3 + NaOH = H2O + NaH5C3O3 =>
H6C3O3 + NaOH = H2O + NaH5C3O3
Cu + HNO3 = CuNO3 + HO + NO =>
Cu + 2 HNO3 = CuNO3 + 2 HO + NO
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
(NH4)2CO3 + Br2 = (NH4)2Br + CO3 =>
2(NH4)2CO3 + Br2 = 2(NH4)2Br + 2 CO3
Ga2O3 + NaOH = Ga(OH)3 + Na2O =>
Ga2O3 + 6 NaOH = 2 Ga(OH)3 + 3 Na2O
KOH + HClO3 = KClO3 + H2O =>
KOH + HClO3 = KClO3 + H2O
*4Cr + *3O2 = *2Cr2O3 =>
*4Cr + *3O2 = *2Cr2O3
Fe(HSO4)2 + NaOH = Fe(OH)2 + Na2SO4 + H2O =>
Fe(HSO4)2 + 4 NaOH = Fe(OH)2 + 2 Na2SO4 + 2 H2O
HCN(g) + H2(g) = CH4(g) + NH3(g) =>
HCN(g) + 3 H2(g) = CH4(g) + NH3(g)
Ba(OH)2 + HCl = H2O + BaCl2 =>
Ba(OH)2 + 2 HCl = 2 H2O + BaCl2
HClO4 + Ba(OH)2 = H3O2 + BaClO4 =>
HClO4 + Ba(OH)2 = H3O2 + BaClO4
NaI + HI = I2 + NaH =>
NaI + HI = I2 + NaH
H{+} + Cr2O7{-2} + Cl2 = Cr{+3} + ClO4{-} + H2O =>
50 H{+} + 7 Cr2O7{-2} + 3 Cl2 = 14 Cr{+3} + 6 ClO4{-} + 25 H2O
Na2CO3 + KMnO4 = NaMnO4 + K2CO3 =>
Na2CO3 + 2 KMnO4 = 2 NaMnO4 + K2CO3
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Équations équilibrées sur10/26/24
Équations équilibrées sur11/25/23
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