| Équations équilibrées la veille | Équations équilibrées le lendemain |
KAl(SO4)2*12H2O + 2 Ba(NO3)2 = 2 BaSO4 + KNO3 + Al(NO3)3 + 12 H2O
Al + ()Cl2 = ()AlCl3 =>
2 Al + 3()Cl2 = 2()AlCl3
Eu2O3 + H2SO4 + H2O = Eu2(SO4)3(H2O)8 =>
Eu2O3 + 3 H2SO4 + 5 H2O = Eu2(SO4)3(H2O)8
(NH4)2SO4(aq) + KOH(aq) = NH4OH(aq) + K2SO4(aq) = H2O(l) + NH3(g) + K2SO4 =>
(NH4)2SO4(aq) + 2 KOH(aq) = 2 NH4OH(aq) + K2SO4(aq)
C2H5NO2 + O2 + OH{-} = CO3{-3} + H2O + N2 =>
4 C2H5NO2 + 7 O2 + 24 OH{-} = 8 CO3{-3} + 22 H2O + 2 N2
KBrNH4Cl = KClBrNH4 =>
KBrNH4Cl = KClBrNH4
Fe38 + O220 = FeO1048 =>
55 Fe38 + 9956 O220 = 2090 FeO1048
Na2PO4 + NaOH3 = Na2OH3 + NaPO4 =>
Na2PO4 + NaOH3 = Na2OH3 + NaPO4
IBr(s) + NH3(g) = NI3(s) + NH4Br(s) =>
3 IBr(s) + 4 NH3(g) = NI3(s) + 3 NH4Br(s)
KBrO3 + HBr = Br2 + H2O + KBr =>
KBrO3 + 6 HBr = 3 Br2 + 3 H2O + KBr
IBr(s) + NH3(g) = NI3(s) + NH4Br(s) =>
3 IBr(s) + 4 NH3(g) = NI3(s) + 3 NH4Br(s)
KBrO3 + HBr = Br2 + H2O + KOH =>
KBrO3 + 5 HBr = 3 Br2 + 2 H2O + KOH
KBrO4 + NaCl + H2SO4 = Cl2 + KBr + Na2SO4 + H2O =>
KBrO4 + 8 NaCl + 4 H2SO4 = 4 Cl2 + KBr + 4 Na2SO4 + 4 H2O
KC2H3O2 + (NH4)2SO4 = K2SO4 + NH4C2H3O2 =>
2 KC2H3O2 + (NH4)2SO4 = K2SO4 + 2 NH4C2H3O2
Ca(HCO3)2 + NaCH3COO = NaHCO3 + Ca(CH3COO)2 =>
Ca(HCO3)2 + 2 NaCH3COO = 2 NaHCO3 + Ca(CH3COO)2
NaSO3 + I2 + Na2S = Na2S2O3 + NaI =>
2 NaSO3 + I2 + 2 Na2S = 2 Na2S2O3 + 2 NaI
CrCl2 + O2 + H2O = Cr(OH)3 + HCl = =>
4 CrCl2 + O2 + 10 H2O = 4 Cr(OH)3 + 8 HCl
Fe3O2(s) = Fe(s) + O2(g) =>
Fe3O2(s) = 3 Fe(s) + O2(g)
CaCl2 + ZnSO4 = ZnCl2 + CaSO4 =>
CaCl2 + ZnSO4 = ZnCl2 + CaSO4
*(C7H8O2) + *(H2O2) = (C4H4O4) + H2O =>
4*(C7H8O2) + 22*(H2O2) = 7(C4H4O4) + 24 H2O
ZnI2 + Li = LiI + Zn =>
ZnI2 + 2 Li = 2 LiI + Zn
KCl(aq) + Pb(CH3COO)2(aq) = K(CH3COO)(aq) + PbCl2(s) =>
2 KCl(aq) + Pb(CH3COO)2(aq) = 2 K(CH3COO)(aq) + PbCl2(s)
C4H10 + Cr2O7{-2} + H{+} = Cr{+3} + CO2 + H2O =>
3 C4H10 + 13 Cr2O7{-2} + 104 H{+} = 26 Cr{+3} + 12 CO2 + 67 H2O
KCl + KNO3 + H2SO4 = N2 + Cl2 + K2SO4 + H2O =>
10 KCl + 2 KNO3 + 6 H2SO4 = N2 + 5 Cl2 + 6 K2SO4 + 6 H2O
Ca3N2 + H2O = H2 + N2 + Ca(OH)2 =>
Ca3N2 + 6 H2O = 3 H2 + N2 + 3 Ca(OH)2
NaOH + H2O + Mg = Na2[Mg(OH)4] + H2 =>
2 NaOH + 2 H2O + Mg = Na2[Mg(OH)4] + H2
Cr2(s) + S3(s) = Cr2S3(s) =>
Cr2(s) + S3(s) = Cr2S3(s)
Zn + FrCl = ZnCl2 + Fr =>
Zn + 2 FrCl = ZnCl2 + 2 Fr
CH3(CH2)24COOCH2(CH2)30CH3 + O2 = CO2 + H2O =>
CH3(CH2)24COOCH2(CH2)30CH3 + 86 O2 = 58 CO2 + 58 H2O
KClH2O = KOHHCl =>
KClH2O = KOHHCl
KClCu = KCuCl =>
KClCu = KCuCl
Cr2O3 + H3PO4 = Cr2(PO4)2 + H2O =>
Cr2O3 + 2 H3PO4 = Cr2(PO4)2 + 3 H2O
Cl2 + H3PO4 + KMnO4 = K3PO4 + Mn3(PO4)2 + HClO2 + H2O =>
5 Cl2 + 6 H3PO4 + 6 KMnO4 = 2 K3PO4 + 2 Mn3(PO4)2 + 10 HClO2 + 4 H2O
C7H5NaO3 + H2SO4 = (C7H4O2Na)2SO4 + H2O =>
2 C7H5NaO3 + H2SO4 = (C7H4O2Na)2SO4 + 2 H2O
C2H5OH + KMnO4 + H2SO4 = C2H4O2 + H2O + K2SO4 + MnSO4 =>
5 C2H5OH + 4 KMnO4 + 6 H2SO4 = 5 C2H4O2 + 11 H2O + 2 K2SO4 + 4 MnSO4
H5NS = H + N + S =>
H5NS = 5 H + N + S
KClO3 + H2C2O4 = KCl + CO2 + H2O =>
KClO3 + 3 H2C2O4 = KCl + 6 CO2 + 3 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
KClO4 + H2SO4 + KI = I2 + H2O + ClO3 + K2SO4 =>
2 KClO4 + 2 H2SO4 + 2 KI = I2 + 2 H2O + 2 ClO3 + 2 K2SO4
KMnO4 + C3H8O3 = K2CO3 + MnO2 + CO2 + H2O =>
14 KMnO4 + 3 C3H8O3 = 7 K2CO3 + 14 MnO2 + 2 CO2 + 12 H2O
NH4SCN + FeCl3 = [Fe(SCN)]Cl2 + NH4Cl =>
NH4SCN + FeCl3 = [Fe(SCN)]Cl2 + NH4Cl
KHC8H4O4 + Na(OH)2 = Na(KC8H4O4)2 + H2O =>
2 KHC8H4O4 + Na(OH)2 = Na(KC8H4O4)2 + 2 H2O
ZnBr2 = Br + Zn =>
ZnBr2 = 2 Br + Zn
(Zn(OH)2*ZnCO3) = ZnO + CO2 + H2O =>
(Zn(OH)2*ZnCO3) = 2 ZnO + CO2 + H2O
KHC8H4O4 + Na(OH)2 = NaK2(C8H4O4)2 + H2O =>
2 KHC8H4O4 + Na(OH)2 = NaK2(C8H4O4)2 + 2 H2O
NaO + HClO4 = NaClO4 + H2O2 =>
2 NaO + 2 HClO4 = 2 NaClO4 + H2O2
KHCO3 + Ca(OH)2 = K2CO3 + CaCO3 + H2O =>
2 KHCO3 + Ca(OH)2 = K2CO3 + CaCO3 + 2 H2O
Ba(HSO3)2 + H2SO4 = BaSO4 + H2O + SO2 =>
Ba(HSO3)2 + H2SO4 = BaSO4 + 2 H2O + 2 SO2
ZAl + Fe2O3 = ZFe + Al2O3 =>
2 ZAl + Fe2O3 = 2 ZFe + Al2O3
CuSO4*5H2O + Ni = NiSO4 + H2O + Cu =>
CuSO4*5H2O + Ni = NiSO4 + 5 H2O + Cu
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