| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C2H5SH + 9 O2 = 4 CO2 + 6 H2O + 2 SO2
C6H6CH3 + H2SO4 + K2Cr2O7 = C6H6COOH + H2O + Cr2(SO4)3 + K2SO4 =>
C6H6CH3 + 4 H2SO4 + K2Cr2O7 = C6H6COOH + 5 H2O + Cr2(SO4)3 + K2SO4
H2S(s) + O2(g) = SO2(g) + H2O(l) =>
2 H2S(s) + 3 O2(g) = 2 SO2(g) + 2 H2O(l)
{-}5x = {-}3x =>
{-}5x = {-}3x
V2O5 + H2SO4 + SO2 = VOSO4 + H2O =>
V2O5 + H2SO4 + SO2 = 2 VOSO4 + H2O
Na2Si3O7 + H2SO4 = SiO2 + Na2SO4 + H2O =>
Na2Si3O7 + H2SO4 = 3 SiO2 + Na2SO4 + H2O
C2H4O + Cr2O7{-2} + H{+} = C2H4O2 + Cr{+3} + H2O =>
3 C2H4O + Cr2O7{-2} + 8 H{+} = 3 C2H4O2 + 2 Cr{+3} + 4 H2O
MgSO4(aq) + KCl(aq) = MgCl2(s) + K2SO4(aq) =>
MgSO4(aq) + 2 KCl(aq) = MgCl2(s) + K2SO4(aq)
BaN2O6 = BaO + N2 + O2 =>
2 BaN2O6 = 2 BaO + 2 N2 + 5 O2
CaCO3 + Fe = Ca + FeCO3 =>
CaCO3 + Fe = Ca + FeCO3
LiB + CuF = CuB + LiF =>
LiB + CuF = CuB + LiF
Cr2(SO3)3 + Pb(NO3)2 = PbSO3 + Cr(NO3)3 =>
Cr2(SO3)3 + 3 Pb(NO3)2 = 3 PbSO3 + 2 Cr(NO3)3
HIO3 + K2SO3 = K2SO4 + I2 + H2O =>
2 HIO3 + 5 K2SO3 = 5 K2SO4 + I2 + H2O
NaOH + H2SO4 + NiSO4 = Ni(OH)3 + Na2SO4 + H2 =>
6 NaOH + H2SO4 + 2 NiSO4 = 2 Ni(OH)3 + 3 Na2SO4 + H2
M(OH)2 + H2 = MH2 + H2O =>
M(OH)2 + 2 H2 = MH2 + 2 H2O
H2CO3 + KNO3 + NH3 = NH4NO3 + K2O + CO2 =>
H2CO3 + 2 KNO3 + 2 NH3 = 2 NH4NO3 + K2O + CO2
FeO + Si = FeSiO =>
FeO + Si = FeSiO
ZnCl2 + (NH4)2S = NH4Cl + ZnS =>
ZnCl2 + (NH4)2S = 2 NH4Cl + ZnS
CuF + Ba = CuFBa =>
CuF + Ba = CuFBa
Al(OH)3 + HNO3 = Al(OH)2(NO3) + H2O =>
Al(OH)3 + HNO3 = Al(OH)2(NO3) + H2O
KHC8H4O4 + KOH = K2HC8H4 + H2O + CO2 =>
13 KHC8H4O4 + 7 KOH = 10 K2HC8H4 + 11 H2O + 24 CO2
Pb(CH3COO)2 + AgNO3 = Pb(NO3)2 + Ag(CH3COO) =>
Pb(CH3COO)2 + 2 AgNO3 = Pb(NO3)2 + 2 Ag(CH3COO)
NiCO3 + H2SO4 = NiSO4 + H2CO3 =>
NiCO3 + H2SO4 = NiSO4 + H2CO3
Cl2 + F2 = ClF2 =>
Cl2 + 2 F2 = 2 ClF2
Mg2C3 + H2O = Mg(OH)2 + C3H4 =>
Mg2C3 + 4 H2O = 2 Mg(OH)2 + C3H4
C2H4 + HOBr = C2H5OBr =>
C2H4 + HOBr = C2H5OBr
Li2CO3(s) + HCl(aq) = LiCl(s) + H2O(l) + CO2(g) =>
Li2CO3(s) + 2 HCl(aq) = 2 LiCl(s) + H2O(l) + CO2(g)
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
Zn(s) + HCl(aq) = ZnCl2(s) + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2(s) + H2(g)
SbOCl + H2S = Sb2S3 + HCl + H2O =>
2 SbOCl + 3 H2S = Sb2S3 + 2 HCl + 2 H2O
(COOH)2 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5(COOH)2 + 2 KMnO4 + 3 H2SO4 = 10 CO2 + 2 MnSO4 + K2SO4 + 8 H2O
Br{-} + IO3{-} + H{+} = Br2 + I2 + H2O =>
10 Br{-} + 2 IO3{-} + 12 H{+} = 5 Br2 + I2 + 6 H2O
Al + CO2 = Al(CO2) =>
Al + CO2 = Al(CO2)
[Cu(CN)4]{3-} + S{2-} = [Cu2S] + CN{-} =>
2[Cu(CN)4]{3-} + S{2-} = [Cu2S] + 8 CN{-}
FeS + O = FeO + SO2 =>
FeS + 3 O = FeO + SO2
Au + Sb2O2SO4 + SbCl3 = AuCl3 + SbOCl + Sb2S2O =>
16 Au + 6 Sb2O2SO4 + 27 SbCl3 = 16 AuCl3 + 33 SbOCl + 3 Sb2S2O
H10 = H2 =>
H10 = 5 H2
KMnO4 + HCl = KClO4 + Mn + H =>
KMnO4 + HCl = KClO4 + Mn + H
H2(C2O4) + Ni2O5 = Ni2(C2O4)5 + H2O =>
5 H2(C2O4) + Ni2O5 = Ni2(C2O4)5 + 5 H2O
Cr(NO3)3 + NH4OH = Cr(OH)3 + NH4NO3 =>
Cr(NO3)3 + 3 NH4OH = Cr(OH)3 + 3 NH4NO3
Pb(CH3COO)2 + Li2SO4 = PbSO4 + Li2(CH3COO)2 =>
Pb(CH3COO)2 + Li2SO4 = PbSO4 + Li2(CH3COO)2
Li2CO3(s) + HCl(aq) = LiCl(s) + H2O(l) + CO2(g) =>
Li2CO3(s) + 2 HCl(aq) = 2 LiCl(s) + H2O(l) + CO2(g)
Ta2O5 + HCl = TaCl5 + H2O =>
Ta2O5 + 10 HCl = 2 TaCl5 + 5 H2O
Cu2 + (SO3)2 + HCl = CuCl + H2O + SO2 =>
2 Cu2 + (SO3)2 + 4 HCl = 4 CuCl + 2 H2O + 2 SO2
CH3 + O4 = CO2 + H2O =>
8 CH3 + 7 O4 = 8 CO2 + 12 H2O
C2H2 + KMnO4 + H2O = H2C2O4 + MnO2 + KOH =>
3 C2H2 + 8 KMnO4 + 4 H2O = 3 H2C2O4 + 8 MnO2 + 8 KOH
NH4NO3 + Pb(ClO4)2 = Pb(NO3)2 + NH4ClO4 =>
2 NH4NO3 + Pb(ClO4)2 = Pb(NO3)2 + 2 NH4ClO4
LaCl3 + Na2CO3 = La2(CO3)3 + NaCl =>
2 LaCl3 + 3 Na2CO3 = La2(CO3)3 + 6 NaCl
KMnO4 + NO + H2SO4 = H2O + MnSO4 + NO2 + K2SO4 =>
2 KMnO4 + 5 NO + 3 H2SO4 = 3 H2O + 2 MnSO4 + 5 NO2 + K2SO4
C6H6N2O + O2 = CO2 + H2O + NO2 =>
C6H6N2O + 9 O2 = 6 CO2 + 3 H2O + 2 NO2
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Équations équilibrées sur07/25/23
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