| Équations équilibrées la veille | Équations équilibrées le lendemain |
16 PH3 + 2 NO2 = 4 P4H10 + 4 H2O + N2
C6H8O7 + HNO3 = CO2 + HNO2 + H2O =>
C6H8O7 + 9 HNO3 = 6 CO2 + 9 HNO2 + 4 H2O
BaCl2(aq) + K2CO3(aq) = BaCO3(s) + KCl(aq) =>
BaCl2(aq) + K2CO3(aq) = BaCO3(s) + 2 KCl(aq)
Pt + S8 = PtS2 =>
4 Pt + S8 = 4 PtS2
Al(OH)3 + H{+} + H2O = Al(H2O)6{3+} =>
Al(OH)3 + 3 H{+} + 3 H2O = Al(H2O)6{3+}
NO3{-} + S2O3{2-} + H2O = N2 + SO4{2-} + H{+} =>
8 NO3{-} + 5 S2O3{2-} + H2O = 4 N2 + 10 SO4{2-} + 2 H{+}
FeO + Cu = Cu2O + Fe =>
FeO + 2 Cu = Cu2O + Fe
NiCl2(aq) + (NH4)2S(aq) = NiS(aq) + NH4Cl(aq) =>
NiCl2(aq) + (NH4)2S(aq) = NiS(aq) + 2 NH4Cl(aq)
Si(OC2H5)4 = SiO2 + H2O + C2H4 =>
Si(OC2H5)4 = SiO2 + 2 H2O + 4 C2H4
TiO2 + C = Ti + CO2 =>
TiO2 + C = Ti + CO2
KHCO3 + HNO3 = KNO3 + H2CO3 =>
KHCO3 + HNO3 = KNO3 + H2CO3
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
C7H8 + H2O = CO2 + CH4 =>
2 C7H8 + 10 H2O = 5 CO2 + 9 CH4
Pb(NO3)2 + NaHCO3 = PbCO3 + NaNO3 + H2O + CO2 =>
Pb(NO3)2 + 2 NaHCO3 = PbCO3 + 2 NaNO3 + H2O + CO2
LiOH(aq) + Al(NO3)3(aq) = LiNO3(aq) + Al(OH)3 =>
3 LiOH(aq) + Al(NO3)3(aq) = 3 LiNO3(aq) + Al(OH)3
CdS + H2SO4 = CdSO4 + H2S =>
CdS + H2SO4 = CdSO4 + H2S
K2 + O2 = K2O2 =>
K2 + O2 = K2O2
CoCl3 = Co + Cl =>
CoCl3 = Co + 3 Cl
Na2SO3 + HNO2 = NaNO2 + SO2 + H2O =>
Na2SO3 + 2 HNO2 = 2 NaNO2 + SO2 + H2O
FeBr2 + Cl = FeCl3 + Br =>
FeBr2 + 3 Cl = FeCl3 + 2 Br
P4 + HNO3 = H3PO4 + NO2 + H2O =>
P4 + 20 HNO3 = 4 H3PO4 + 20 NO2 + 4 H2O
MgO + NO2 = Mg(NO3)2 + NO =>
MgO + 3 NO2 = Mg(NO3)2 + NO
C4H6O5 + NaOH = C4H4O5Na2 + H2O =>
C4H6O5 + 2 NaOH = C4H4O5Na2 + 2 H2O
B2O3 + BrF3 = BF3 + Br + O =>
B2O3 + 2 BrF3 = 2 BF3 + 2 Br + 3 O
C3H8 + H2 = C3H10 =>
C3H8 + H2 = C3H10
H2S(aq) + NiSO4(aq) = H2(SO4)(aq) + NiS(s) =>
H2S(aq) + NiSO4(aq) = H2(SO4)(aq) + NiS(s)
Cu(NO3)2 + Cr(OH)3 = Cr(NO3)3 + Cu(OH)2 =>
3 Cu(NO3)2 + 2 Cr(OH)3 = 2 Cr(NO3)3 + 3 Cu(OH)2
SO3 + Ca(OH)2 = CaO + H2SO4 =>
SO3 + Ca(OH)2 = CaO + H2SO4
Mn(ClO4)2(s) = Mn2(aq) + ClO4(aq) =>
2 Mn(ClO4)2(s) = Mn2(aq) + 4 ClO4(aq)
SC2O3(S) + SO3(l) = SC2(SO4)3(S) =>
SC2O3(S) + 3 SO3(l) = SC2(SO4)3(S)
CO2 + Mg(OH)2 = MgCO3 + H2O =>
CO2 + Mg(OH)2 = MgCO3 + H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
N2 + O2 + H2O + CO2 = C3H5(NO3)3 =>
6 N2 + O2 + 10 H2O + 12 CO2 = 4 C3H5(NO3)3
CH3CH2OK + Cl2 = CH3CHCl + KOH =>
2 CH3CH2OK + Cl2 = 2 CH3CHCl + 2 KOH
NaI + MnO2 + H2SO4 = Na2SO4 + MnSO4 + H2O + I2 =>
2 NaI + MnO2 + 2 H2SO4 = Na2SO4 + MnSO4 + 2 H2O + I2
FeCl3 + Na2S + H2O = NaCl + Fe(OH)2 + H2S + SO2 =>
6 FeCl3 + 9 Na2S + 14 H2O = 18 NaCl + 6 Fe(OH)2 + 8 H2S + SO2
H2SO4 + NaH2PO4 = NaHSO4 + H3PO4 =>
H2SO4 + NaH2PO4 = NaHSO4 + H3PO4
PbCl2 = Pb + Cl2 =>
PbCl2 = Pb + Cl2
S8 + OH{-} = S{2-} + SO3{2-} + H2O =>
3 S8 + 48 OH{-} = 16 S{2-} + 8 SO3{2-} + 24 H2O
LiOH(aq) + Ba(NO3)2(aq) = Li(NO3)2(aq) + BaOH(s) =>
LiOH(aq) + Ba(NO3)2(aq) = Li(NO3)2(aq) + BaOH(s)
CaC2 + O2 = CaO + CO2 =>
2 CaC2 + 5 O2 = 2 CaO + 4 CO2
Ni(NO3)2(aq) + Na2SO4(aq) = NiSO4(s) + NaNO3(aq) =>
Ni(NO3)2(aq) + Na2SO4(aq) = NiSO4(s) + 2 NaNO3(aq)
KI + H2O = H + I + KOH =>
KI + H2O = H + I + KOH
HBrO4 + LiOH = LiBr + H2O + O2 =>
HBrO4 + LiOH = LiBr + H2O + 2 O2
C7H8 + O2 = CO + H2O =>
2 C7H8 + 11 O2 = 14 CO + 8 H2O
Fe + HI = FeI2 + H2 =>
Fe + 2 HI = FeI2 + H2
NH2CH2COOH + HCl = NH3ClCH2COOH =>
NH2CH2COOH + HCl = NH3ClCH2COOH
S + CO = SO2 + C =>
S + 2 CO = SO2 + 2 C
NH2NO2 = N2O + H2O =>
NH2NO2 = N2O + H2O
CH3OOH + NaOH = NaC2H3O2 + H2O =>
2 CH3OOH + NaOH = NaC2H3O2 + 3 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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