| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K2S2O8 = 2 K2SO4 + 2 SO3 + O2
H4 + P2 = H5P3 =>
5 H4 + 6 P2 = 4 H5P3
BNa3O3(aq) + Al(NO3)3(aq) = NaNO3(aq) + AlBO3(s) =>
BNa3O3(aq) + Al(NO3)3(aq) = 3 NaNO3(aq) + AlBO3(s)
NaNO{3} + H{2}SO{4} = Na{2}SO{4} + HNO{3} =>
NaNO{3} + H{2}SO{4} = Na{2}SO{4} + HNO{3}
P10H16 + O2 = PO4 + H2O =>
P10H16 + 24 O2 = 10 PO4 + 8 H2O
Br2 + MgF2 = Br2F2 + Mg =>
Br2 + MgF2 = Br2F2 + Mg
Al(NO3)32 = Al + NO3 =>
Al(NO3)32 = Al + 32 NO3
Fe + CuCl2 = FeCl3 + Cu =>
2 Fe + 3 CuCl2 = 2 FeCl3 + 3 Cu
K4Fe(CN)6 + FeCl3 = K4Cl3 + Fe[Fe(CN)6] =>
K4Fe(CN)6 + FeCl3 = K4Cl3 + Fe[Fe(CN)6]
Mg6Si8O20(OH)4 + Mg2Si5Al4O18 = SiO2 + Mg2Si2O6 + Al(OH)3 =>
3 Mg6Si8O20(OH)4 + Mg2Si5Al4O18 = 9 SiO2 + 10 Mg2Si2O6 + 4 Al(OH)3
Mn + NH4OH = Mn(OH) + NH4 =>
Mn + NH4OH = Mn(OH) + NH4
K(NO3) + NaCl = KCl + NaNO3 =>
K(NO3) + NaCl = KCl + NaNO3
P + I2 = PI3 =>
2 P + 3 I2 = 2 PI3
NaNO2 + CH3COOH = NaCH3COO + HNO2 =>
NaNO2 + CH3COOH = NaCH3COO + HNO2
H3BO3 + Ba(OH)2 = Ba3(BO3)2 + H2O =>
2 H3BO3 + 3 Ba(OH)2 = Ba3(BO3)2 + 6 H2O
K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O =>
2 K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O
Fe + C + N2 = FeCN2 =>
Fe + C + N2 = FeCN2
Ca(IO3)2 = CaI2 + O2 =>
Ca(IO3)2 = CaI2 + 3 O2
C3H8O = C3H6O + H =>
C3H8O = C3H6O + 2 H
FeSO4 + H2SO4 = Fe2[SO4]3 + H2O + SO2 =>
2 FeSO4 + 2 H2SO4 = Fe2[SO4]3 + 2 H2O + SO2
CaO2H2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 CaO2H2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
MnCl2 + K2S2O8 + H2O = KMnO4 + K2SO4 + KCl + H2SO4 =>
2 MnCl2 + 5 K2S2O8 + 8 H2O = 2 KMnO4 + 2 K2SO4 + 4 KCl + 8 H2SO4
NaOH + Ca(OH) + Cl2 = Ca(OCl) + NaCl + H2O =>
NaOH + Ca(OH) + Cl2 = Ca(OCl) + NaCl + H2O
Cl2 + NaBr = Na3Cl + Br =>
Cl2 + 6 NaBr = 2 Na3Cl + 6 Br
Al(s) + CuSO4(s) = Cu(s) + Al2(SO4)3(aq) =>
2 Al(s) + 3 CuSO4(s) = 3 Cu(s) + Al2(SO4)3(aq)
MgOHCl + NaOH = MgO + NaCl + H2O =>
MgOHCl + NaOH = MgO + NaCl + H2O
H3PO4 + K2O = K3PO4 + H2O =>
2 H3PO4 + 3 K2O = 2 K3PO4 + 3 H2O
BaO4 + HNO3 = Ba(NO)2 + H2O2 + O2 =>
BaO4 + 2 HNO3 = Ba(NO)2 + H2O2 + 3 O2
C3H5 + O2 = CO2 + HOH =>
4 C3H5 + 17 O2 = 12 CO2 + 10 HOH
SO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
3 SO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O
Hg + H2O2 + HCl = HgCl2 + H2O =>
Hg + H2O2 + 2 HCl = HgCl2 + 2 H2O
C3H6 + KMnO4 + H2SO4 = CH3CO2H + K2SO4 + MnSO4 + H2O =>
10 C3H6 + 12 KMnO4 + 18 H2SO4 = 15 CH3CO2H + 6 K2SO4 + 12 MnSO4 + 18 H2O
XAl2O3 + XFe = XFe3 + XO4 + XAl =>
8 XAl2O3 + 21 XFe = 7 XFe3 + 6 XO4 + 16 XAl
Mn + HClO4 = Mn(ClO4)3 + H2 =>
2 Mn + 6 HClO4 = 2 Mn(ClO4)3 + 3 H2
MgCl2 + (NH4)2S = MgS + (NH4)Cl =>
MgCl2 + (NH4)2S = MgS + 2(NH4)Cl
Na2(CO3) = Na + CO3 =>
Na2(CO3) = 2 Na + CO3
Ag + KSCN = Ag(SCN) + K =>
Ag + KSCN = Ag(SCN) + K
Sb1 + O2 = Sb4O6 =>
4 Sb1 + 3 O2 = Sb4O6
CuCO3 + O2 = CuO2 + CO2 =>
2 CuCO3 + O2 = 2 CuO2 + 2 CO2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
(NH4)2MoO4 + Na2SO4 = (NH4)2SO4 + MoO4Na2 =>
(NH4)2MoO4 + Na2SO4 = (NH4)2SO4 + MoO4Na2
Mg(s) + CuSO4(aq) = MgSO4(aq) + Cu(s) =>
Mg(s) + CuSO4(aq) = MgSO4(aq) + Cu(s)
AlBr3 + NaOH = Na[Al(OH)4] + NaBr =>
AlBr3 + 4 NaOH = Na[Al(OH)4] + 3 NaBr
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Ba(OH)2 + HPO3 = Ba(PO3)2 + H2O =>
Ba(OH)2 + 2 HPO3 = Ba(PO3)2 + 2 H2O
CH3CO2{-} + NH4{+} = CH3CONH2 + H2O =>
CH3CO2{-} + NH4{+} = CH3CONH2 + H2O
C2H5OH + HBr = C2H5Br + H2O =>
C2H5OH + HBr = C2H5Br + H2O
Ba(NO3)2 + Mg = MgO + Ba(NO2)2 =>
Ba(NO3)2 + 2 Mg = 2 MgO + Ba(NO2)2
NO2 + C = NO + CO =>
NO2 + C = NO + CO
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
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