| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 H3GeO5 + Os(OH)3 = Os(H2GeO5)3 + 3 H2O
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
NH2NH + O2 = N2 + H2O =>
4 NH2NH + 3 O2 = 4 N2 + 6 H2O
BaCrO4 + HCl = BaCl2 + H2CrO4 =>
BaCrO4 + 2 HCl = BaCl2 + H2CrO4
NH3 + NH4Br + CoBr2 + H2O2 = Co(NH3)5Br3 + H2O =>
8 NH3 + 2 NH4Br + 2 CoBr2 + H2O2 = 2 Co(NH3)5Br3 + 2 H2O
Al2(SO4)3 + Ba(Cl2)2 = Al(Cl2)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(Cl2)2 = 2 Al(Cl2)3 + 3 BaSO4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Ca + (PO4)3 = Ca2(PO4)2(s) =>
6 Ca + 2(PO4)3 = 3 Ca2(PO4)2(s)
CoCl2 + NH4Cl + NH3 + NaNO2 = (Co(NH3)4(NO2)2)Cl + NaCl + H2O =>
6 CoCl2 + 7 NH4Cl + 16 NH3 + 13 NaNO2 = 6(Co(NH3)4(NO2)2)Cl + 13 NaCl + 2 H2O
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
VOSO4 + C3H4O4 + H2SO4 = V2(SO4)3 + CO2 + H2O =>
8 VOSO4 + C3H4O4 + 4 H2SO4 = 4 V2(SO4)3 + 3 CO2 + 6 H2O
CuSO4 + Na2SO3 = Cu2SO3*CuSO3 + Na2SO4 + SO2 =>
3 CuSO4 + 4 Na2SO3 = Cu2SO3*CuSO3 + 4 Na2SO4 + SO2
H[H2PO2] + HNO3 = H + H3PO4 + NO2 =>
H[H2PO2] + 2 HNO3 = 2 H + H3PO4 + 2 NO2
Fe2O3FeO + HNO3 = NO2 + Fe(NO3)3 + H2O =>
Fe2O3FeO + 10 HNO3 = NO2 + 3 Fe(NO3)3 + 5 H2O
AlBr3 + NaHCO3 = NaBr + Al(OH)3 + CO2 =>
AlBr3 + 3 NaHCO3 = 3 NaBr + Al(OH)3 + 3 CO2
C3H4O2 + Br2 = CH2CHCOOBr2 + HBr =>
2 C3H4O2 + 3 Br2 = 2 CH2CHCOOBr2 + 2 HBr
Cr + HC2H3O2 = Cr(C2H3O2)3 + H2 =>
2 Cr + 6 HC2H3O2 = 2 Cr(C2H3O2)3 + 3 H2
B2H6NaBH4 + H2SO4 = B2H6 + H2 + Na2SO4 =>
2 B2H6NaBH4 + H2SO4 = 3 B2H6 + 2 H2 + Na2SO4
Ni2(CO3)3(aq) + Fe(s) = FeCO3(aq) + Ni(a) =>
Ni2(CO3)3(aq) + 3 Fe(s) = 3 FeCO3(aq) + 2 Ni(a)
Fe(Cl)2 + KOH = KCl + Fe(OH)2 =>
Fe(Cl)2 + 2 KOH = 2 KCl + Fe(OH)2
NH4 + Ca(OH)2 = NH4OH + Ca =>
2 NH4 + Ca(OH)2 = 2 NH4OH + Ca
BaCl2(aq) + HCl(aq) = BaCl + HCl2 =>
BaCl2(aq) + HCl(aq) = BaCl + HCl2
ClO2 + Ba(OH)2 = BaCl2 + Ba(ClO3)2 + H2O =>
12 ClO2 + 6 Ba(OH)2 = BaCl2 + 5 Ba(ClO3)2 + 6 H2O
KMnO4 + NaCl + H2SO4 = K2SO4 + Mn(SO4)2 + Na2SO4 + Cl2 + H2O =>
2 KMnO4 + 6 NaCl + 8 H2SO4 = K2SO4 + 2 Mn(SO4)2 + 3 Na2SO4 + 3 Cl2 + 8 H2O
Fe + KCl + H2O = FeCl2 + KOH + H2 =>
Fe + 2 KCl + 2 H2O = FeCl2 + 2 KOH + H2
CHONS9 + O2 = CO2 + H2O + N2 + SO2 =>
4 CHONS9 + 39 O2 = 4 CO2 + 2 H2O + 2 N2 + 36 SO2
CH3COOH + H2O = CH3COO + H3O(aq) =>
CH3COOH + H2O = CH3COO + H3O(aq)
CuOCuSO4 + SO2 + O2 = CuSO4 =>
2 CuOCuSO4 + 2 SO2 + O2 = 4 CuSO4
C6H5OK + CH3Br = C6H5OCH3 + KBr =>
C6H5OK + CH3Br = C6H5OCH3 + KBr
Cl2 + AgI = Ag + ICl2 =>
Cl2 + AgI = Ag + ICl2
C6H5CH2CH2CH3 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
35 C6H5CH2CH2CH3 + 66 KMnO4 + 99 H2SO4 = 45 C6H5COOH + 66 MnSO4 + 33 K2SO4 + 174 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CaCl2 + K3PO4 = Ca3(PO4)2 + KClCaCl2 =>
9 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KClCaCl2
Na2SO4 + K4Fe(CN)6 + AgNO3 = Ag4Fe(CN)6 + NaNO3 + K2SO4 =>
2 Na2SO4 + K4Fe(CN)6 + 4 AgNO3 = Ag4Fe(CN)6 + 4 NaNO3 + 2 K2SO4
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
CuS + HNO3 = CuO + H2O + S + NO2 =>
CuS + 2 HNO3 = CuO + H2O + S + 2 NO2
K2Cr2O7 + CH3CH2(OH) + H2SO4 = Cr2(SO4)3 + CH3COOH + K2SO4 + H2O =>
2 K2Cr2O7 + 3 CH3CH2(OH) + 8 H2SO4 = 2 Cr2(SO4)3 + 3 CH3COOH + 2 K2SO4 + 11 H2O
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
*WO3 + H2 = W + H2O =>
*WO3 + 3 H2 = W + 3 H2O
CaK + H2SO4 = CaSO4 + H2K =>
CaK + H2SO4 = CaSO4 + H2K
Co + NaOH = Co(NaOH)2 =>
Co + 2 NaOH = Co(NaOH)2
(NH4)SO4 + FeCl = NH4Cl + FeSO4 =>
(NH4)SO4 + FeCl = NH4Cl + FeSO4
H2C4 + O2 = CO2 + H2O =>
2 H2C4 + 9 O2 = 8 CO2 + 2 H2O
CrO2{-}(aq) + ClO{-}(aq)� = CrO42{-}(aq) + Cl{-}(aq)inacidicsolution =>
CrO2{-}(aq) + 40 ClO{-}(aq)� = CrO42{-}(aq) + 40 Cl{-}(aq)inacidicsolution
Al(OH)3 + H2Co3 = Al2(Co3)3 + H2O =>
2 Al(OH)3 + 3 H2Co3 = Al2(Co3)3 + 6 H2O
CH3O3 + OH = H2O + CO2 =>
CH3O3 + OH = 2 H2O + CO2
C3H7OH + Cl2 = C3H6ClO + HCl =>
2 C3H7OH + 3 Cl2 = 2 C3H6ClO + 4 HCl
Sr(NO3)2 + Na2CO3 = SrCO3 + NaNO3 =>
Sr(NO3)2 + Na2CO3 = SrCO3 + 2 NaNO3
KCO3 + CuSO4 = K2SO4 + Cu(CO3)2 =>
2 KCO3 + CuSO4 = K2SO4 + Cu(CO3)2
NiS(s) + O2(g) = NiO(s) + SO2(g) =>
2 NiS(s) + 3 O2(g) = 2 NiO(s) + 2 SO2(g)
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