| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K + 2 H2SO3 = 2 KHSO3 + H2
Mg3(PO4)2 + C + SiO2 = MgSiO3 + CO + P4 =>
2 Mg3(PO4)2 + 10 C + 6 SiO2 = 6 MgSiO3 + 10 CO + P4
NH4OH(aq) + ZnCl2(aq) = NH4Cl(aq) + Zn(OH)2(s) =>
2 NH4OH(aq) + ZnCl2(aq) = 2 NH4Cl(aq) + Zn(OH)2(s)
Al2O3 + Ca(OH)2 = Al(OH)3 + CaO =>
Al2O3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaO
NaNO3 + CH3COOH + Zn = NaNO2 + (CH3COO)2Zn + H2O =>
NaNO3 + 2 CH3COOH + Zn = NaNO2 + (CH3COO)2Zn + H2O
C + O3 = CO2 =>
3 C + 2 O3 = 3 CO2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
FeI2 + NO2 + H2O = Fe(OH)3 + I2 + NO =>
2 FeI2 + 3 NO2 + 3 H2O = 2 Fe(OH)3 + 2 I2 + 3 NO
CaO(aq) + H2O(l) = Ca(OH)2 =>
CaO(aq) + H2O(l) = Ca(OH)2
C7H16(g) + O2 = CO2 + H2O =>
C7H16(g) + 11 O2 = 7 CO2 + 8 H2O
FeCl3 + K3Fe(CN)6 = Fe(Fe(CN)6) + KCl =>
FeCl3 + K3Fe(CN)6 = Fe(Fe(CN)6) + 3 KCl
SO4 + H3O = H2S + O2 =>
3 SO4 + 2 H3O = 3 H2S + 7 O2
GeO2 = Ge + O2 =>
GeO2 = Ge + O2
[Zn(NH3)4]SO4 + KOH = Zn(OH)2 + NH3 + K2SO4 =>
[Zn(NH3)4]SO4 + 2 KOH = Zn(OH)2 + 4 NH3 + K2SO4
BaCl2 + K2Cr2O7 + CH3COONa + H2O = BaCrO4 + KCl + Na2CrO4 + CH3COOH =>
BaCl2 + K2Cr2O7 + 2 CH3COONa + H2O = BaCrO4 + 2 KCl + Na2CrO4 + 2 CH3COOH
PbCl2 + Cl2 + H2O = PbO2 + HCl =>
PbCl2 + Cl2 + 2 H2O = PbO2 + 4 HCl
Al + Hg3PO4 = AlPO4 + Hg3 =>
Al + Hg3PO4 = AlPO4 + Hg3
KOH + NH4Br = NH3 + KBr + H2O =>
KOH + NH4Br = NH3 + KBr + H2O
NaBH4(s) + H2SO4(aq) = B2H6(g) + Na3SO4(aq) + H2(g) =>
6 NaBH4(s) + 2 H2SO4(aq) = 3 B2H6(g) + 2 Na3SO4(aq) + 5 H2(g)
Cr + H2O = H2 + Cr(OH)3 =>
2 Cr + 6 H2O = 3 H2 + 2 Cr(OH)3
Cl2 + F2 = F3Cl =>
Cl2 + 3 F2 = 2 F3Cl
K2SO3 + Ba(OH)2 = BaSO3 + KOH =>
K2SO3 + Ba(OH)2 = BaSO3 + 2 KOH
KMnO4 + NaCl = K2O + MnO2 + Na2O + Cl2 =>
2 KMnO4 + 6 NaCl = K2O + 2 MnO2 + 3 Na2O + 3 Cl2
C2HO2 + NH3 = C2H2 + H2O + N2 =>
6 C2HO2 + 10 NH3 = 6 C2H2 + 12 H2O + 5 N2
HPbO2{-} + Re = Pb + ReO4{-} + OH{-} + H2O =>
7 HPbO2{-} + 2 Re = 7 Pb + 2 ReO4{-} + 5 OH{-} + H2O
KOH(aq) + H3PO4(l) = K3PO4(aq) + H2O(l) =>
3 KOH(aq) + H3PO4(l) = K3PO4(aq) + 3 H2O(l)
Mg + HCl1 = MgCl2 + H2 =>
Mg + 2 HCl1 = MgCl2 + H2
SrO + Al2(SO4)3 = Sr(SO4)3 + Al2O =>
SrO + Al2(SO4)3 = Sr(SO4)3 + Al2O
O{-2} + Zn{+2} = ZnO =>
O{-2} + Zn{+2} = ZnO
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)Cl + SrSO4 =>
(NH4)2SO4(aq) + SrCl2(aq) = 2(NH4)Cl + SrSO4
Cu + (H2SO4)2 = Cu(SO4)2 + SO2 + H2O =>
Cu + 2(H2SO4)2 = Cu(SO4)2 + 2 SO2 + 4 H2O
(NH4)2SO4(aq) + NaOH(s) = Na2SO4(aq) + H2O(l) + NH3(g) =>
(NH4)2SO4(aq) + 2 NaOH(s) = Na2SO4(aq) + 2 H2O(l) + 2 NH3(g)
U + ClF = UF + Cl =>
U + ClF = UF + Cl
Hg2(NO3)2 + FeI2 = Hg2I2 + Fe(NO3)2 =>
Hg2(NO3)2 + FeI2 = Hg2I2 + Fe(NO3)2
CH3COOH + NH3 = CH3NH2 + CO3H2 =>
3 CH3COOH + 4 NH3 = 4 CH3NH2 + 2 CO3H2
C17H31COOH + Ca(OH)2 = (C17H31COO)2Ca + H2O =>
2 C17H31COOH + Ca(OH)2 = (C17H31COO)2Ca + 2 H2O
CuI + CH3I = CuI2 + CH3 =>
CuI + CH3I = CuI2 + CH3
NaHS + KOH = Na2S + K2S + H2O =>
2 NaHS + 2 KOH = Na2S + K2S + 2 H2O
VOSO4 + KMnO4 + H2O = KHSO4 + MnSO4 + V2O5 + H2SO4 =>
10 VOSO4 + 2 KMnO4 + 7 H2O = 2 KHSO4 + 2 MnSO4 + 5 V2O5 + 6 H2SO4
KMnO4 + H2OSO4 + Sb = K2SO4 + MnSO4 + Sb2O3 + H2O =>
6 KMnO4 + 9 H2OSO4 + 16 Sb = 3 K2SO4 + 6 MnSO4 + 8 Sb2O3 + 9 H2O
Al2O3 + Li2O = LiAlO2 =>
Al2O3 + Li2O = 2 LiAlO2
NH4Br + H2SO4 = HBr + NH4HSO4 =>
NH4Br + H2SO4 = HBr + NH4HSO4
FeCl3 + K2C2O4 + H2O = K5Fe(C2O4)4(H2O)2 + KCl =>
FeCl3 + 4 K2C2O4 + 2 H2O = K5Fe(C2O4)4(H2O)2 + 3 KCl
Ni + HNO3 = Ni(NO3)2 + NO + Ni(OH)2 =>
3 Ni + 4 HNO3 = Ni(NO3)2 + 2 NO + 2 Ni(OH)2
C2H5O2N + O2 = NH3 + CO2 + H2O =>
2 C2H5O2N + 3 O2 = 2 NH3 + 4 CO2 + 2 H2O
H2P3O10 = P2O5 + H2O + O2 =>
4 H2P3O10 = 6 P2O5 + 4 H2O + 3 O2
NaHCO3 + H2C4H4O6 = Na2C4H4 + CO2 + H2O =>
10 NaHCO3 + 11 H2C4H4O6 = 5 Na2C4H4 + 34 CO2 + 28 H2O
Na2CO3 + Mg2(SO4)2 = Na2(SO4) + Mg2(CO3)2 =>
2 Na2CO3 + Mg2(SO4)2 = 2 Na2(SO4) + Mg2(CO3)2
HF + Cs2CO3 = H2CO3 + CsF =>
2 HF + Cs2CO3 = H2CO3 + 2 CsF
KCrO4 + SO2 + H2SO4 = Cr(SO4)3 + K2SO4 + H2O =>
2 KCrO4 + SO2 + 6 H2SO4 = 2 Cr(SO4)3 + K2SO4 + 6 H2O
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