| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Na3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
HBr + Be(OH)2 = BeBr2 + HOH =>
2 HBr + Be(OH)2 = BeBr2 + 2 HOH
Cu + ZnOH = Zn + CuOH =>
Cu + ZnOH = Zn + CuOH
NiOH2O = NiO + H2O =>
NiOH2O = NiO + H2O
Cu(NO3)2 + NaOH = CuOH + Na(NO3)2 =>
Cu(NO3)2 + NaOH = CuOH + Na(NO3)2
(N2)(g)(Cl2)(g) + (O2)(g) + (H2O)(l) = (NH4ClO4)(s) =>
(N2)(g)(Cl2)(g) + 2(O2)(g) + 4(H2O)(l) = 2(NH4ClO4)(s)
CH3CH(CH3)COOH + H2O = HCOOH + CH3CH(OH)CH3 =>
CH3CH(CH3)COOH + H2O = HCOOH + CH3CH(OH)CH3
Cr(OH)3 + K2SO4 + H2O2 = K2CrO4 + Cr2(SO4)3 + H2O =>
10 Cr(OH)3 + 6 K2SO4 + 9 H2O2 = 6 K2CrO4 + 2 Cr2(SO4)3 + 24 H2O
NH4C2H3O2 + NaOH = NH4OH + NaC2H3O2 =>
NH4C2H3O2 + NaOH = NH4OH + NaC2H3O2
P + HNO3 = PNO3 + NO2 + H2O =>
P + 2 HNO3 = PNO3 + NO2 + H2O
(NH4)2CO3 + Pb(OH)2 = NH4OH + PbCO3 =>
(NH4)2CO3 + Pb(OH)2 = 2 NH4OH + PbCO3
Br + O2 = BrO2 =>
Br + O2 = BrO2
NaOH + Ba(NO3) = NaNO3 + BaOH =>
NaOH + Ba(NO3) = NaNO3 + BaOH
KBr + K2Cr2O7 + H2SO4 = Br2 + Cr2(SO4)3 + H2O + K2SO4 =>
6 KBr + K2Cr2O7 + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 7 H2O + 4 K2SO4
Ca(s) + H2O(l) = Ca(OH)2(aq) + H2(l) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(aq) + H2(l)
NH4Cl + NaOH = H2O + NH3 + NaCl =>
NH4Cl + NaOH = H2O + NH3 + NaCl
Al2(SO3)3 + HClO3 = Al(ClO3)3 + H2O + SO2 =>
Al2(SO3)3 + 6 HClO3 = 2 Al(ClO3)3 + 3 H2O + 3 SO2
C6H4O2 + H2 = C6H4(OH)2 =>
C6H4O2 + H2 = C6H4(OH)2
H{+} + Fe = H + Fe{2+} =>
2 H{+} + Fe = 2 H + Fe{2+}
NiSO4 + Ag = Ni + Ag2SO4 =>
NiSO4 + 2 Ag = Ni + Ag2SO4
Zn(NO3)2(aq) + Na2CO3(aq) = ZnCO3 + NaNO3 =>
Zn(NO3)2(aq) + Na2CO3(aq) = ZnCO3 + 2 NaNO3
C2H6S + O2 = CO2 + H2O + SO2 =>
2 C2H6S + 9 O2 = 4 CO2 + 6 H2O + 2 SO2
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
Pb(CH3COO)2 + H2CrO4 = PbCrO4 + CH3COOH =>
Pb(CH3COO)2 + H2CrO4 = PbCrO4 + 2 CH3COOH
KMnO4 + HCl = O2 + MnCl2 + KCl + H2O =>
4 KMnO4 + 12 HCl = 5 O2 + 4 MnCl2 + 4 KCl + 6 H2O
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
H2SO4 + LiOH = H2O + Li2(SO4) =>
H2SO4 + 2 LiOH = 2 H2O + Li2(SO4)
FeCl3(aq) + NaOH(aq) = Fe(OH)3(s) + NaCl(aq) =>
FeCl3(aq) + 3 NaOH(aq) = Fe(OH)3(s) + 3 NaCl(aq)
Br2 + CuI2 = CuBr2 + I2 =>
Br2 + CuI2 = CuBr2 + I2
MgBr2 + K3Po4 = Mg3(Po4)2 + KBr =>
3 MgBr2 + 2 K3Po4 = Mg3(Po4)2 + 6 KBr
K2SO3 + H2SO4 = K2SO4 + H2SO3 =>
K2SO3 + H2SO4 = K2SO4 + H2SO3
CrO4{2-} + C3H5O3{-} + H{+} = Cr(OH)3 + CO2 + H2O =>
4 CrO4{2-} + C3H5O3{-} + 9 H{+} = 4 Cr(OH)3 + 3 CO2 + H2O
Ca(C2H3O2)2H2O + Na2CO3 = CaCO3 + NaC2H3O2 + H2O =>
Ca(C2H3O2)2H2O + Na2CO3 = CaCO3 + 2 NaC2H3O2 + H2O
H2SO4 + NaOH = Na2SO4 + H2O0 =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O0
Al + Mn(NO3)2 = Al(NO3)3 + Mn =>
2 Al + 3 Mn(NO3)2 = 2 Al(NO3)3 + 3 Mn
NaNO3(s) + H2SO4(l) = NaHSO4(s) + HNO3 =>
NaNO3(s) + H2SO4(l) = NaHSO4(s) + HNO3
NaOH + H3BO3 = Na2B4O7 + H2O =>
2 NaOH + 4 H3BO3 = Na2B4O7 + 7 H2O
Pb(NO3)2 + NaOH = NaNO3 + Pb(OH)2 =>
Pb(NO3)2 + 2 NaOH = 2 NaNO3 + Pb(OH)2
Sb2S3 + HNO3 = NO + Sb2O5 + H2SO4 + H2O =>
3 Sb2S3 + 28 HNO3 = 28 NO + 3 Sb2O5 + 9 H2SO4 + 5 H2O
Al + Hg2S = Al2S3 + Hg =>
2 Al + 3 Hg2S = Al2S3 + 6 Hg
CrO3 = O2 + Cr =>
2 CrO3 = 3 O2 + 2 Cr
Cr + AgNO3 = Cr(NO3)2 + Ag =>
Cr + 2 AgNO3 = Cr(NO3)2 + 2 Ag
C6H5CCl3 + H2O = C6H5COOH + HCl =>
C6H5CCl3 + 2 H2O = C6H5COOH + 3 HCl
Al + H2O = H + Al2O3 =>
2 Al + 3 H2O = 6 H + Al2O3
FeCl3(aq) + NaOH(aq) = Fe(OH)3(s) + NaCl(aq) =>
FeCl3(aq) + 3 NaOH(aq) = Fe(OH)3(s) + 3 NaCl(aq)
K3(Cr(O2)4) + CH3COOH = CrO(O2)2 + H2O + KCH*COOH =>
K3(Cr(O2)4) + 3 CH3COOH = CrO(O2)2 + 3 H2O + 3 KCH*COOH
ZnS + HNO3 = ZnSO4 + NO + H2O =>
3 ZnS + 8 HNO3 = 3 ZnSO4 + 8 NO + 4 H2O
Mn(OH)2 + KOH + H2O = K[Mn(OH)6] + H2 =>
2 Mn(OH)2 + 2 KOH + 6 H2O = 2 K[Mn(OH)6] + 3 H2
Cr2O78{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O78{-2} + 156 H{+} + 148e = 2 Cr{+3} + 78 H2O
K2Cr2O7 + H2S = H2Cr2O7 + K2S =>
K2Cr2O7 + H2S = H2Cr2O7 + K2S
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Équations équilibrées sur02/24/25
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