| Équations équilibrées la veille | Équations équilibrées le lendemain |
CuO + H2 = Cu + H2O
C6H7NaO6 + O = CO2 + H2O + Na2O =>
2 C6H7NaO6 + 20 O = 12 CO2 + 7 H2O + Na2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
BaBr2 + NaF = BaF2 + NaBr =>
BaBr2 + 2 NaF = BaF2 + 2 NaBr
AgF + NaOH = AgOH + NaF =>
AgF + NaOH = AgOH + NaF
Pb(NO3)2(s) + NaI(aq) = PbI2(s) + NaNO3(aq) =>
Pb(NO3)2(s) + 2 NaI(aq) = PbI2(s) + 2 NaNO3(aq)
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
H3Cr + Ca(OH)2 = Ca3(Cr)2 + H2O =>
2 H3Cr + 3 Ca(OH)2 = Ca3(Cr)2 + 6 H2O
Fe2O3 + FeS = Fe3O4 + SO2 =>
10 Fe2O3 + FeS = 7 Fe3O4 + SO2
MgI2(ag) + Pb(No3)2(ag) = PbI2(s) + Mg(No3)2 =>
MgI2(ag) + Pb(No3)2(ag) = PbI2(s) + Mg(No3)2
K2SO4 + BaI2 = K2I2 + BaSO4 =>
K2SO4 + BaI2 = K2I2 + BaSO4
CHCH + Br2 = CHCH{+} + Br4{-} =>
CHCH + 2 Br2 = CHCH{+} + Br4{-}
Fe2O3 + FeS = Fe3O4 + SO2 =>
10 Fe2O3 + FeS = 7 Fe3O4 + SO2
H2O(I) + O2(g) = H2O2(I) =>
2 H2O(I) + O2(g) = 2 H2O2(I)
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
NO + H2 = N2 + HOH =>
2 NO + 2 H2 = N2 + 2 HOH
PbSO4 + Na2CO3 + C = Pb + Na2SO4 + CO2 =>
2 PbSO4 + 2 Na2CO3 + C = 2 Pb + 2 Na2SO4 + 3 CO2
Sr(OH)2 + HNO2 = SrNO2 + H(OH)2 =>
Sr(OH)2 + HNO2 = SrNO2 + H(OH)2
CaO + Al(OH)3 = AlCa(OH)3 + O =>
CaO + Al(OH)3 = AlCa(OH)3 + O
C6H8 = C + H2 =>
C6H8 = 6 C + 4 H2
CaCO3 + HCl = H2CO3 + CaCl2(double) =>
CaCO3 + 2 HCl = H2CO3 + CaCl2(double)
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
NaIO3 + NaHSO3 = NaHSO4 + Na2SO4 + H2O + I2 =>
2 NaIO3 + 5 NaHSO3 = 3 NaHSO4 + 2 Na2SO4 + H2O + I2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
S2O3{2-} + H2O + I2 = I{-} + S2O6{2-} + H{+} =>
S2O3{2-} + 3 H2O + 3 I2 = 6 I{-} + S2O6{2-} + 6 H{+}
HNO2 + Sr(OH)2 = Sr(NO2)2 + H2O =>
2 HNO2 + Sr(OH)2 = Sr(NO2)2 + 2 H2O
Al2O3 + NaO = NaAlO2 + O =>
Al2O3 + 2 NaO = 2 NaAlO2 + O
S + HNO3 = H2(SO4) + NO2 + H2O =>
S + 6 HNO3 = H2(SO4) + 6 NO2 + 2 H2O
CH3I + KOH = CH3OH + KI =>
CH3I + KOH = CH3OH + KI
Na3(PO4) + (NH4)Cl = NaCl + (NH4)3(PO4) =>
Na3(PO4) + 3(NH4)Cl = 3 NaCl + (NH4)3(PO4)
LaO + O2 = La2O3 =>
4 LaO + O2 = 2 La2O3
K2S(ac) + HCl(ac) = KCl(ac) + H2S(g) =>
K2S(ac) + 2 HCl(ac) = 2 KCl(ac) + H2S(g)
K2Cr2O7 + H3PO4 + H2S = K3PO4 + CrPO4 + H2O + S8 =>
24 K2Cr2O7 + 64 H3PO4 + 72 H2S = 16 K3PO4 + 48 CrPO4 + 168 H2O + 9 S8
HCO3{-} + Co(NO3)2 = NO3{-} + Co(CO3) + H2O + CO2 =>
2 HCO3{-} + Co(NO3)2 = 2 NO3{-} + Co(CO3) + H2O + CO2
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
C18H34O2 + O = CO2 + H2O =>
C18H34O2 + 51 O = 18 CO2 + 17 H2O
Zn + Li2(SO4) = ZnSO4 + Li =>
Zn + Li2(SO4) = ZnSO4 + 2 Li
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NH4F + CaSO4 = (NH4)2SO4 + CaF2 =>
2 NH4F + CaSO4 = (NH4)2SO4 + CaF2
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
NH4Cl + CaO = NH3 + CaCl2 + H2O =>
2 NH4Cl + CaO = 2 NH3 + CaCl2 + H2O
Sb2O3(s) + NaOH(ac) = NaSbO2(ac) + H2O =>
Sb2O3(s) + 2 NaOH(ac) = 2 NaSbO2(ac) + H2O
CH2CHCH2CH2CH2CH3 + KMnO4 + H2O = MnO2 + CH(OH)CH(OH)CH2CH2CH(OH)CH(OH)CH3 + KOH =>
7 CH2CHCH2CH2CH2CH3 + 14 KMnO4 + 10 H2O = 14 MnO2 + 6 CH(OH)CH(OH)CH2CH2CH(OH)CH(OH)CH3 + 14 KOH
C6H5NH2 + NO2{-} + HCl = C6H5N2{+} + Cl{-} + H2O =>
C6H5NH2 + NO2{-} + 2 HCl = C6H5N2{+} + 2 Cl{-} + 2 H2O
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/03/24
Équations équilibrées sur12/03/23
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