| Équations équilibrées la veille | Équations équilibrées le lendemain |
10 MgO + 4 PCl5 = 5 Mg2 + 2 P2O5 + 20 Cl
Fe(NO2)2 + KOH = Fe(OH)2 + KNO2 =>
Fe(NO2)2 + 2 KOH = Fe(OH)2 + 2 KNO2
Na + FeCl3 = Fe + NaCl =>
3 Na + FeCl3 = Fe + 3 NaCl
BaCO3 + Cu(NO3) = Ba(NO3) + CuCO3 =>
BaCO3 + Cu(NO3) = Ba(NO3) + CuCO3
HBr + NaO = NaBr + Br2 + H2O =>
4 HBr + 2 NaO = 2 NaBr + Br2 + 2 H2O
Pb2(OH)4 + H2(CO2) = Pb2(CO2)4 + H2(OH) =>
Pb2(OH)4 + 4 H2(CO2) = Pb2(CO2)4 + 4 H2(OH)
P2 + O2 = P2O56 =>
P2 + 28 O2 = P2O56
Sb2O3 + Zn = Sb + ZnO =>
Sb2O3 + 3 Zn = 2 Sb + 3 ZnO
HOA + HCl = H2O + ACl =>
HOA + HCl = H2O + ACl
H3(PO4) + NaOH = Na3(PO4) + H(OH) =>
H3(PO4) + 3 NaOH = Na3(PO4) + 3 H(OH)
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
HCl + K3PO4 = KCl + H3PO4 =>
3 HCl + K3PO4 = 3 KCl + H3PO4
Na2B4O7 + H2SO4 + H2O = H3BO3 + Na2SO4 =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
AgNO3 + NaCl2*2H2O = AgCl2 + NaNO3 + H2O =>
AgNO3 + NaCl2*2H2O = AgCl2 + NaNO3 + 2 H2O
KMnO4 + KHSO4 + FeSO3 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
6 KMnO4 + 28 KHSO4 + 10 FeSO3 = 17 K2SO4 + 6 MnSO4 + 5 Fe2(SO4)3 + 14 H2O
H2SeO4 + Sr(OH)2 = Sr2(SeO4)2 + H2O =>
2 H2SeO4 + 2 Sr(OH)2 = Sr2(SeO4)2 + 4 H2O
OCl{-} + S2O3{2-} + H2O = SO4{2-} + Cl{-} + H{+} =>
4 OCl{-} + S2O3{2-} + H2O = 2 SO4{2-} + 4 Cl{-} + 2 H{+}
MnCO3 = Mn + MnO2 + CO2 =>
2 MnCO3 = Mn + MnO2 + 2 CO2
CH3COOH + H2O2 = CH3COOOH + H2O =>
CH3COOH + H2O2 = CH3COOOH + H2O
HgCl2 + NH3 = Hg2 + NH3Cl =>
2 HgCl2 + 4 NH3 = Hg2 + 4 NH3Cl
CH2OH2 = CH3OH =>
CH2OH2 = CH3OH
H2S + HIO3 = S + I2 + H2O =>
5 H2S + 2 HIO3 = 5 S + I2 + 6 H2O
Pb + H2SO4 = Pb(HSO4)2 + H2 =>
Pb + 2 H2SO4 = Pb(HSO4)2 + H2
MgSO3 = MgS + O2 =>
2 MgSO3 = 2 MgS + 3 O2
Fe(OH)2 + KOH = K2FeO2 + H2O =>
Fe(OH)2 + 2 KOH = K2FeO2 + 2 H2O
AgNO3 + Na2CrO4 = NaNO3 + (Ag)2CrO4 =>
2 AgNO3 + Na2CrO4 = 2 NaNO3 + (Ag)2CrO4
K2MnO4 + SO2 = K2SO4 + MnO2 =>
K2MnO4 + SO2 = K2SO4 + MnO2
Cu + Pb{2+} = Cu{2+} + Pb =>
Cu + Pb{2+} = Cu{2+} + Pb
H3 + I3 = HI =>
H3 + I3 = 3 HI
(NH4)2SO4 + CuCl2 = CuSO4 + NH4Cl =>
(NH4)2SO4 + CuCl2 = CuSO4 + 2 NH4Cl
Ag + ZnO = Zn + Ag2O =>
2 Ag + ZnO = Zn + Ag2O
H2SO4 + NaSH = H2S + NaHSO4 =>
H2SO4 + NaSH = H2S + NaHSO4
AgOH + HCl = H2O + AgCl =>
AgOH + HCl = H2O + AgCl
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
FeSO4 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + K2SO4 + Fe2 =>
6 FeSO4 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 6 K2SO4 + Fe2
CH3COOH + H2O = H3O + CH3CO3 =>
CH3COOH + 4 H2O = 3 H3O + CH3CO3
NH2 = N + H =>
NH2 = N + 2 H
K2Cr2O7 + SnCl2 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
Na2SO3 + HCl = NaCl + H2SO3 =>
Na2SO3 + 2 HCl = 2 NaCl + H2SO3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
PH3 + KMnO4 = MnO2 + K3PO4 + H2O + Mn3(PO4)2 =>
12 PH3 + 30 KMnO4 = 27 MnO2 + 10 K3PO4 + 18 H2O + Mn3(PO4)2
Al(OH)3 + HBr = AlBr3 + H2O1 =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O1
HAsO3 + HNO3 = HAsO4 + H2O + NO =>
3 HAsO3 + 2 HNO3 = 3 HAsO4 + H2O + 2 NO
K + As = KAs =>
K + As = KAs
Se{-} + Ga{+] = SeGa =>
Se{-} + Ga{+] = SeGa
KIO3(aq) + Na2S(aq) = NaIO3(aq) + K2S(aq) =>
2 KIO3(aq) + Na2S(aq) = 2 NaIO3(aq) + K2S(aq)
Cu(NO3)23H2O = CuO + NO2 + O2 + H2O =>
Cu(NO3)23H2O = CuO + 23 NO2 + 11 O2 + H2O
Ca(s) + HCl = CaCl(aq) + H2(g) =>
2 Ca(s) + 2 HCl = 2 CaCl(aq) + H2(g)
MgNO3KOH = MgOHKNO3 =>
MgNO3KOH = MgOHKNO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/18/24
Équations équilibrées sur12/18/23
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