| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeSO4(aq) + Na2S(aq) = Na2SO4(l) + FeS(aq)
S5{-2} = S{+4} + e =>
S5{-2} = 5 S{+4} + 22e
K2Cr2O7 + H2SO4 + CH3CH2OH = KCr(SO4) + H2O + CH3CHO =>
K2Cr2O7 + 2 H2SO4 + 5 CH3CH2OH = 2 KCr(SO4) + 7 H2O + 5 CH3CHO
KMnO4 + NH4Br = NH3 + K + Br + Mn + H2O =>
KMnO4 + 8 NH4Br = 8 NH3 + K + 8 Br + Mn + 4 H2O
MnI2 + Na3PO4 = MnPO4 + Na3I2 =>
MnI2 + Na3PO4 = MnPO4 + Na3I2
NiSO4 + C4H8N2O2 = (C4H7O2N2)2Ni + H2SO4 =>
NiSO4 + 2 C4H8N2O2 = (C4H7O2N2)2Ni + H2SO4
HCHO + Cu(OH)2 + NaOH = Na2CO3 + Cu2O + H2O =>
HCHO + 4 Cu(OH)2 + 2 NaOH = Na2CO3 + 2 Cu2O + 6 H2O
CaCO3(s) + HCl(aq) = CaCl(s) + HCO3(s) =>
CaCO3(s) + HCl(aq) = CaCl(s) + HCO3(s)
ZnNO2 + (NH4)2S = ZnS + NO2(NH4)2 =>
ZnNO2 + (NH4)2S = ZnS + NO2(NH4)2
Pb(OH)2 + H2O = PbH2 + H2O2 =>
Pb(OH)2 + 2 H2O = PbH2 + 2 H2O2
HCHO + Cu(OH)2 + NaOH = Na2CO3 + Cu2O + H2O =>
HCHO + 4 Cu(OH)2 + 2 NaOH = Na2CO3 + 2 Cu2O + 6 H2O
CH3CHO + Cr2O7{2-} + H{+} = CH3COOH + H2O + Cr{3+} =>
3 CH3CHO + Cr2O7{2-} + 8 H{+} = 3 CH3COOH + 4 H2O + 2 Cr{3+}
Ag(OH)2 = AgO + H2O =>
Ag(OH)2 = AgO + H2O
HCHO + Cu(OH)2 + NaOH = Na2CO3 + Cu2O + H2O =>
HCHO + 4 Cu(OH)2 + 2 NaOH = Na2CO3 + 2 Cu2O + 6 H2O
C12H22O11 + K2CO3 = K + H2CO3 + C =>
3 C12H22O11 + 22 K2CO3 = 44 K + 33 H2CO3 + 25 C
K2Cr2O7 + C2O4H2*2H2O = CO2 + K[Cr(C2O4)2(H2O)2]*2H2O + H2O =>
K2Cr2O7 + 7 C2O4H2*2H2O = 6 CO2 + 2 K[Cr(C2O4)2(H2O)2]*2H2O + 13 H2O
Ni4 + N4 = NiN =>
Ni4 + N4 = 4 NiN
HCHO + Cu(OH)2 + NaOH = Na2CO3 + Cu2O + H2O =>
HCHO + 4 Cu(OH)2 + 2 NaOH = Na2CO3 + 2 Cu2O + 6 H2O
Pb(NO3)2 + Na2S2O3 = Na4Pb(S2O3)3 + NaNO3 =>
Pb(NO3)2 + 3 Na2S2O3 = Na4Pb(S2O3)3 + 2 NaNO3
CsCl + Sb2O3 + CuCl2 + HCl = Cs5Sb2Cu2Cl15 + H2O =>
5 CsCl + Sb2O3 + 2 CuCl2 + 6 HCl = Cs5Sb2Cu2Cl15 + 3 H2O
ZnSO4 + NaHCO3 = ZnCO3 + Na2SO4 + H2O + CO2 =>
ZnSO4 + 2 NaHCO3 = ZnCO3 + Na2SO4 + H2O + CO2
Ca(s) + Br2(aq) = CaBr2(s) =>
Ca(s) + Br2(aq) = CaBr2(s)
Ca(HSO3)2 = SO2 + Ca(OH)2 =>
Ca(HSO3)2 = 2 SO2 + Ca(OH)2
Cl2 + KBr + H2O = Br2 + HCl + KOH =>
Cl2 + 2 KBr + 2 H2O = Br2 + 2 HCl + 2 KOH
KOH + CaOH = KOHCaOH =>
KOH + CaOH = KOHCaOH
K4FeC6N6 + KMnO4 + H2SO4 = KHSO4 + Fe2S3O12 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4FeC6N6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2S3O12 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Na2HPO4 + NH4Cl + NH3 + MgSO4 = Mg(NH4)PO4 + (NH4)2SO4 + NaCl =>
Na2HPO4 + 2 NH4Cl + NH3 + MgSO4 = Mg(NH4)PO4 + (NH4)2SO4 + 2 NaCl
Ba(No3)2 + Na2SO4 = Ba2SO4 + Na(No3)2 =>
2 Ba(No3)2 + Na2SO4 = Ba2SO4 + 2 Na(No3)2
Cr(OH)2 + H2SO4 = Cr(SO4) + H2O =>
Cr(OH)2 + H2SO4 = Cr(SO4) + 2 H2O
FeS + HNO3 = Fe2(SO4)3 + Fe(NO3)3 + N2O + H2O =>
24 FeS + 78 HNO3 = 8 Fe2(SO4)3 + 8 Fe(NO3)3 + 27 N2O + 39 H2O
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
S4N4 + OH{-} + H2O = NH3 + S2O3{2-} + SO3{2-} =>
S4N4 + 6 OH{-} + 3 H2O = 4 NH3 + S2O3{2-} + 2 SO3{2-}
K2BeO2 + HNO3 = KNO3 + N2O + BeO2 + H2O =>
4 K2BeO2 + 10 HNO3 = 8 KNO3 + N2O + 4 BeO2 + 5 H2O
H2SO3 + Al(OH)3 = Al2(SO3)3 + H2O =>
3 H2SO3 + 2 Al(OH)3 = Al2(SO3)3 + 6 H2O
V2O5 + CaO + Si + C = VC + CaSiO3 =>
2 V2O5 + 5 CaO + 5 Si + 4 C = 4 VC + 5 CaSiO3
NaHCO3(s) + H2SO4(aq) = H2CO3 + NaHSO4 =>
NaHCO3(s) + H2SO4(aq) = H2CO3 + NaHSO4
Pb + H2SO4 = Pb(SO4)2 + H2 =>
Pb + 2 H2SO4 = Pb(SO4)2 + 2 H2
Ag8 + S5 = Ag2S =>
5 Ag8 + 4 S5 = 20 Ag2S
Al2F6 = Al + F =>
Al2F6 = 2 Al + 6 F
AgCl + HNO3 = ClH + AgNO3 =>
AgCl + HNO3 = ClH + AgNO3
Co(OH)2 + H2O2 = Co(OH)3 = H2O =>
2 Co(OH)2 + H2O2 = 2 Co(OH)3
HNO2 + O2 = HNO3 =>
2 HNO2 + O2 = 2 HNO3
Na2HPO4 + Cu(NO3)2 = Na2(NO3)2 + CuHPO4 =>
Na2HPO4 + Cu(NO3)2 = Na2(NO3)2 + CuHPO4
Pb(NO3)2 + H2O = Pb(OH)2 + N2O5 =>
Pb(NO3)2 + H2O = Pb(OH)2 + N2O5
MgCl2 + Na2CO3 + H2O = Mg2(OH)2CO3 + NaCl + Mg(HCO3)2 =>
3 MgCl2 + 3 Na2CO3 + 2 H2O = Mg2(OH)2CO3 + 6 NaCl + Mg(HCO3)2
Fe*H2O{3+} + Na2S2O4 = Fe{2+} + NaHSO3 + H{+} =>
2 Fe*H2O{3+} + Na2S2O4 = 2 Fe{2+} + 2 NaHSO3 + 2 H{+}
HCl(aq) + AgCN(s) = HCN(aq) + AgCl(s) =>
HCl(aq) + AgCN(s) = HCN(aq) + AgCl(s)
K3(PO4) + HCl = KCl + H3(PO4) =>
K3(PO4) + 3 HCl = 3 KCl + H3(PO4)
PBS + O2 = PB + SO2 =>
PBS + O2 = PB + SO2
MnO4{-} + H{+} + S{2-} = Mn{2+} + SO4{2-} + H2O =>
8 MnO4{-} + 24 H{+} + 5 S{2-} = 8 Mn{2+} + 5 SO4{2-} + 12 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/19/24
Équations équilibrées sur01/18/24
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