| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb(NO3)2 + 2 NaCl = 2 NaNO3 + PbCl2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
SiO2 + N2 = Si3N4 + O2 =>
3 SiO2 + 2 N2 = Si3N4 + 3 O2
KMnO4 + Na2S2O5 + H2SO4 = Na2SO4 + K2SO4 + MnSO4 + H2O =>
4 KMnO4 + 5 Na2S2O5 + H2SO4 = 5 Na2SO4 + 2 K2SO4 + 4 MnSO4 + H2O
C5H12 + O12 = CO2 + H2O =>
3 C5H12 + 4 O12 = 15 CO2 + 18 H2O
Zn(OH)2 + H3C6H5O7 = Zn3(C6H5O7)2 + H2O =>
3 Zn(OH)2 + 2 H3C6H5O7 = Zn3(C6H5O7)2 + 6 H2O
Cl2O7 + Ca(OH)2 = Ca(ClO4)2 + H2O =>
Cl2O7 + Ca(OH)2 = Ca(ClO4)2 + H2O
FeCl3 + (NH4)2SO4 = Fe2(SO4)3 + NH4Cl =>
2 FeCl3 + 3(NH4)2SO4 = Fe2(SO4)3 + 6 NH4Cl
NH4Br + F2 = F2Br + NH4 =>
NH4Br + F2 = F2Br + NH4
[Fe(CN)6] + Cd = Cd2[Fe(CN)6] =>
[Fe(CN)6] + 2 Cd = Cd2[Fe(CN)6]
(CuOH)2SO4(s)(heat) = Cu2OSO4 + H2O =>
(CuOH)2SO4(s)(heat) = Cu2OSO4 + H2O
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
(NH4)HCO3 + HCl = CO2 + H2O + NH4Cl =>
(NH4)HCO3 + HCl = CO2 + H2O + NH4Cl
K2CrO4 + KNO2 + HCl = CrCl3 + KCl + KNO3 + H2O =>
2 K2CrO4 + 3 KNO2 + 10 HCl = 2 CrCl3 + 4 KCl + 3 KNO3 + 5 H2O
Na3[Al(OH)6] + H2SO4 = Al2(SO4)3 + NaOH + H2O =>
2 Na3[Al(OH)6] + 3 H2SO4 = Al2(SO4)3 + 6 NaOH + 6 H2O
C6H12O6(c) + O2(g) = CO2(g) + H2O(i) =>
C6H12O6(c) + 6 O2(g) = 6 CO2(g) + 6 H2O(i)
I2 + ClO{-} + H2O = IO3{-} + Cl{-} + H{+} =>
I2 + 5 ClO{-} + H2O = 2 IO3{-} + 5 Cl{-} + 2 H{+}
Al(s) + H2SO4 = Al2(SO4)3 + H2(g) =>
2 Al(s) + 3 H2SO4 = Al2(SO4)3 + 3 H2(g)
Ca(C2H3O2)2 + (NH4)2S = CaS + NH4C2H3O2 =>
Ca(C2H3O2)2 + (NH4)2S = CaS + 2 NH4C2H3O2
CoCl2 + Mg2 = Mg2Cl + Co =>
CoCl2 + 2 Mg2 = 2 Mg2Cl + Co
H2SO4 + C6H5NO2 = C6H5NO2H2SO4 =>
H2SO4 + C6H5NO2 = C6H5NO2H2SO4
HCl + FeCO3 = FeCl + HCO3 =>
HCl + FeCO3 = FeCl + HCO3
MgCl2 + KOH = KCl2 + MgOH =>
MgCl2 + KOH = KCl2 + MgOH
NaHCO3 + KC4H5O6 = H2O + CO2 + Na + K =>
9 NaHCO3 + KC4H5O6 = 7 H2O + 13 CO2 + 9 Na + K
NH4I + Zn(OH)2 = NH3 + H2O + ZnI2 =>
2 NH4I + Zn(OH)2 = 2 NH3 + 2 H2O + ZnI2
Cl2O7HOH = HClO4 =>
Cl2O7HOH = 2 HClO4
KAlSi3O8 + CO2 + H2O = Al2(OH)4Si2O5 + SiO2 + K2CO3 =>
2 KAlSi3O8 + CO2 + 2 H2O = Al2(OH)4Si2O5 + 4 SiO2 + K2CO3
H2O + LiBrO3 = LiOH + HBrO3 =>
H2O + LiBrO3 = LiOH + HBrO3
K2HPO4 + KOH = KH2PO4 + K2O =>
K2HPO4 + KOH = KH2PO4 + K2O
HMnO4 + Bi = HMnO4Bi5 =>
HMnO4 + 5 Bi = HMnO4Bi5
HCH3COO + NaOH = NaCH3COO + H2O =>
HCH3COO + NaOH = NaCH3COO + H2O
BaSO4 + AgBr = BaBr2 + Ag2SO4 =>
BaSO4 + 2 AgBr = BaBr2 + Ag2SO4
Ta + KOH + O2 = K3TaO4 + H2O =>
4 Ta + 12 KOH + 5 O2 = 4 K3TaO4 + 6 H2O
CO2 + H2SO4 = CSO4 + OH =>
CO2 + H2SO4 = CSO4 + 2 OH
Si + Cl2 = SiCl5 =>
2 Si + 5 Cl2 = 2 SiCl5
H3PO4 + Mg = Mg3(PO4)7 + H2 =>
14 H3PO4 + 6 Mg = 2 Mg3(PO4)7 + 21 H2
HClO4 = H2OCl2O7 =>
2 HClO4 = H2OCl2O7
K2Cr2O7 + Fe(OH)2 + H2SO4 = K2SO4 + Cr2(SO4)3 + Fe(SO4)3 + H2O =>
2 K2Cr2O7 + 3 Fe(OH)2 + 17 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 3 Fe(SO4)3 + 20 H2O
Pb(aq) + (SO4)2 = PbSO4(s) =>
2 Pb(aq) + (SO4)2 = 2 PbSO4(s)
Mg + AgNO3 = Ag + Mg(NO3)2 =>
Mg + 2 AgNO3 = 2 Ag + Mg(NO3)2
C2H2 + HBr = C2H6Br + C2H =>
4 C2H2 + HBr = C2H6Br + 3 C2H
K2S2O3 + HCl = S8 + SO2 + H2O + KCl =>
8 K2S2O3 + 16 HCl = S8 + 8 SO2 + 8 H2O + 16 KCl
Al2(OH)6 + NaOH = NaAlO2 + H2O =>
Al2(OH)6 + 2 NaOH = 2 NaAlO2 + 4 H2O
(NH4)3PO3 + Na2CO3 = (NH4)2CO3 + Na3PO3 =>
2(NH4)3PO3 + 3 Na2CO3 = 3(NH4)2CO3 + 2 Na3PO3
FeCl2 + KNCS = K4Fe(NCS)6 + KCl =>
FeCl2 + 6 KNCS = K4Fe(NCS)6 + 2 KCl
Br2 + S203{-2} + H2O = Br{-} + SO4{-2} + H{+} =>
610 Br2 + S203{-2} + 812 H2O = 1220 Br{-} + 203 SO4{-2} + 1624 H{+}
C4H8 + KMnO4 + H2SO4 = HCOOH + K2SO4 + MnSO4 + H2O =>
5 C4H8 + 16 KMnO4 + 24 H2SO4 = 20 HCOOH + 8 K2SO4 + 16 MnSO4 + 24 H2O
(NH4)2S + FeSO4 = (NH4)2SO4 + FeS =>
(NH4)2S + FeSO4 = (NH4)2SO4 + FeS
Ca(ClO2) + HCl = CaCl2 + Cl2 + H2O =>
2 Ca(ClO2) + 8 HCl = 2 CaCl2 + 3 Cl2 + 4 H2O
Al2(SO4)3 + Pb(NO3)2 = Al(NO3)3 + Pb(SO4) =>
Al2(SO4)3 + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb(SO4)
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Équations équilibrées sur12/24/23
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