| Équations équilibrées la veille |
3 PbO + 2 NH3 = 3 Pb + N2 + 3 H2O
NaCl = Na + Cl =>
NaCl = Na + Cl
K2SO3 + NaOH = KOH + Na2SO3 =>
K2SO3 + 2 NaOH = 2 KOH + Na2SO3
CaBr2 + Na2SO3 = Ca(SO3) + NaBr =>
CaBr2 + Na2SO3 = Ca(SO3) + 2 NaBr
C6H10O5 + HNO3 = C6H7N3O11 + H2O =>
C6H10O5 + 3 HNO3 = C6H7N3O11 + 3 H2O
Al(OH)3(s) + H(aq) = Al(aq) + H2O(l) =>
Al(OH)3(s) + 3 H(aq) = Al(aq) + 3 H2O(l)
Al + HCN = Al(CN)3 + H2 =>
2 Al + 6 HCN = 2 Al(CN)3 + 3 H2
Co(NO3)2 + K2Cr2O7 = CoCr2O7 + KNO3 =>
Co(NO3)2 + K2Cr2O7 = CoCr2O7 + 2 KNO3
H2Te = H2 + Te =>
H2Te = H2 + Te
C + H + O2 = C8H18O =>
16 C + 36 H + O2 = 2 C8H18O
K4Fe(CN)6 + Co(NO3)2 = KNO3 + Co4(Fe(CN)6)2 =>
2 K4Fe(CN)6 + 4 Co(NO3)2 = 8 KNO3 + Co4(Fe(CN)6)2
Ba(NO3)2(aq) + Li2SO4(aq) = LiNO3(aq) + BaSO4(s) =>
Ba(NO3)2(aq) + Li2SO4(aq) = 2 LiNO3(aq) + BaSO4(s)
C2H5OH + Cr2O72{-} + H{+} = CH3CO2H + H2O + Cr3{+} =>
427 C2H5OH + 12 Cr2O72{-} + 20 H{+} = 427 CH3CO2H + 437 H2O + 8 Cr3{+}
C + H2 + Cl2 = CHCl3 =>
2 C + H2 + 3 Cl2 = 2 CHCl3
H4P2O7 + NaOH = Na4P2O7 + H2O =>
H4P2O7 + 4 NaOH = Na4P2O7 + 4 H2O
Hg2(NO3)2(aq) + HBr(aq) = H2NO3(aq) + HgBr2(s) =>
Hg2(NO3)2(aq) + 4 HBr(aq) = 2 H2NO3(aq) + 2 HgBr2(s)
I2 + AgNO3 + H2O = AgIO3 + AgI + HNO3 =>
3 I2 + 6 AgNO3 + 3 H2O = AgIO3 + 5 AgI + 6 HNO3
CH3CH3 + Cl2 = CH3CH(Cl)CH3 + HCl =>
3 CH3CH3 + 3 Cl2 = 2 CH3CH(Cl)CH3 + 4 HCl
Fe(OH)2 + Na2O2 + H2O = Fe(OH)3 + NaOH =>
2 Fe(OH)2 + Na2O2 + 2 H2O = 2 Fe(OH)3 + 2 NaOH
XeF4 = Xe + F2 =>
XeF4 = Xe + 2 F2
Cu2S = Cu + S =>
Cu2S = 2 Cu + S
C6H5CH2Cl + HNO3 = C6H5COOH + HCl + NH =>
3 C6H5CH2Cl + 2 HNO3 = 3 C6H5COOH + 3 HCl + 2 NH
ICl3 + NaBr = NaI + Br2 + Cl2 =>
2 ICl3 + 2 NaBr = 2 NaI + Br2 + 3 Cl2
LiOH(aq) + Ba(NO3)2(aq) = Ba(OH)2(s) + LiNO3(aq) =>
2 LiOH(aq) + Ba(NO3)2(aq) = Ba(OH)2(s) + 2 LiNO3(aq)
CoCl2 + K4Fe(CN)6 = Co(CN)6 + K4FeCl2 =>
CoCl2 + K4Fe(CN)6 = Co(CN)6 + K4FeCl2
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
Pb(aq) + K2CrO4(aq) = PbCrO4(s) + K(aq) =>
Pb(aq) + K2CrO4(aq) = PbCrO4(s) + 2 K(aq)
CaCO3 + NH4NO3 = Ca(NO3)2 + (NH4)2CO3 =>
CaCO3 + 2 NH4NO3 = Ca(NO3)2 + (NH4)2CO3
HBr(aq) = H2(g) + Br2(l) =>
2 HBr(aq) = H2(g) + Br2(l)
K2CrO4 + H2SO4 + Na2SO3 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
2 K2CrO4 + 5 H2SO4 + 3 Na2SO3 = Cr2(SO4)3 + 2 K2SO4 + 3 Na2SO4 + 5 H2O
HNO3 + NaNO2 = NO2NO3 + NaH =>
HNO3 + NaNO2 = NO2NO3 + NaH
PbCrO4 + H2O = PbO + H2CrO4 =>
PbCrO4 + H2O = PbO + H2CrO4
CH2ClCOOH + NH3 = CH2NH2COOH + NH4Cl =>
CH2ClCOOH + 2 NH3 = CH2NH2COOH + NH4Cl
SnI4 + PPh3 = [SnI4(PPh3)2] =>
SnI4 + 2 PPh3 = [SnI4(PPh3)2]
(NH4)2SO4 + BaF2 = (NH4)2F2 + BaSO4 =>
(NH4)2SO4 + BaF2 = (NH4)2F2 + BaSO4
MnSO4 = Mn + SO4 =>
MnSO4 = Mn + SO4
HI(aq) + NaOH(aq) = H2O(l) + NaI(s) =>
HI(aq) + NaOH(aq) = H2O(l) + NaI(s)
BaI2(aq) + AgNO3(aq) = Ba(NO3)2(aq) + AgI(aq) =>
BaI2(aq) + 2 AgNO3(aq) = Ba(NO3)2(aq) + 2 AgI(aq)
Al(OH)4{-}(aq) + H2SO4(aq) = Al(OH)3(s) + H2O + SO4{-2}(aq) =>
2 Al(OH)4{-}(aq) + H2SO4(aq) = 2 Al(OH)3(s) + 2 H2O + SO4{-2}(aq)
CuCl2 + K2SO3 + H2O = Cu(OH)2 + SO2 + KCl =>
CuCl2 + K2SO3 + H2O = Cu(OH)2 + SO2 + 2 KCl
B5H9(l) + O2(g) = B2O3(s) + H2O(g) =>
2 B5H9(l) + 12 O2(g) = 5 B2O3(s) + 9 H2O(g)
K2S(aq) + HCl(aq) = K(s) + H2(g) + SCl2(g) =>
K2S(aq) + 2 HCl(aq) = 2 K(s) + H2(g) + SCl2(g)
Pb + HC = PbC2 + H2 =>
Pb + 2 HC = PbC2 + H2
KNO3 + Al = K + N2 + Al2O3 =>
2 KNO3 + 4 Al = 2 K + N2 + 2 Al2O3
Al(s) + Fe2O3(s) = Al2O3 + Fe(l) =>
2 Al(s) + Fe2O3(s) = Al2O3 + 2 Fe(l)
NaOCl = NaCl + NaClO3 =>
3 NaOCl = 2 NaCl + NaClO3
Rb(s) + Cl2(g) = RbCl2(s) =>
Rb(s) + Cl2(g) = RbCl2(s)
Fe + Al(NO3)3 = Fe(NO3)2 + Al =>
3 Fe + 2 Al(NO3)3 = 3 Fe(NO3)2 + 2 Al
Cr(s) + Fe(NO3)2 = Fe + Cr(NO3)3 =>
2 Cr(s) + 3 Fe(NO3)2 = 3 Fe + 2 Cr(NO3)3
Be + HNO3 = Be(NO3)2 + H2O + NO =>
3 Be + 8 HNO3 = 3 Be(NO3)2 + 4 H2O + 2 NO
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Équations équilibrées sur10/26/24
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