| Équations équilibrées la veille |
K + HNO2 = KNO2 + H
Cu3(PO4)2 + NH3 = [Cu(NH3)4]3(PO4)2 =>
Cu3(PO4)2 + 12 NH3 = [Cu(NH3)4]3(PO4)2
Ni + B = Ni3B4 =>
3 Ni + 4 B = Ni3B4
Na2CO3 + HOH = NaOH + H2CO3 =>
Na2CO3 + 2 HOH = 2 NaOH + H2CO3
Na2B4O7*10H2O + H2O2 + NaOH + H2O = Na2[B2(OH)4(O2)2]*6H2O =>
Na2B4O7*10H2O + 4 H2O2 + 2 NaOH + H2O = 2 Na2[B2(OH)4(O2)2]*6H2O
Ra + O2 = RaO2 =>
Ra + O2 = RaO2
Cl2 + O2 + H2O = HClO =>
2 Cl2 + O2 + 2 H2O = 4 HClO
FeSCN + Na2HPO4 = Na2SCN + FeHPO4 =>
FeSCN + Na2HPO4 = Na2SCN + FeHPO4
Fe(NO3)3 + H2S = FeS + S + HNO3 =>
2 Fe(NO3)3 + 3 H2S = 2 FeS + S + 6 HNO3
BaI2(aq) + AgNO3(aq) = Ba(NO3)2 + AgI(s) =>
BaI2(aq) + 2 AgNO3(aq) = Ba(NO3)2 + 2 AgI(s)
Ca(NO3)2 + NaH2PO4 = Ca(H2PO4)2 + Na(NO3) =>
Ca(NO3)2 + 2 NaH2PO4 = Ca(H2PO4)2 + 2 Na(NO3)
Li2O(s) + H2O(l) = LiOH =>
Li2O(s) + H2O(l) = 2 LiOH
Fe2(CO3)2 = FeO + CO2 =>
Fe2(CO3)2 = 2 FeO + 2 CO2
MgSO4*7H2O + Na3PO4*7H2O = Mg3(PO4)2*2H2O + Na2SO4 + H2O =>
3 MgSO4*7H2O + 2 Na3PO4*7H2O = Mg3(PO4)2*2H2O + 3 Na2SO4 + 33 H2O
Fe2 + K3Fe(CN)6 = KFe[Fe(CN)6] + K =>
Fe2 + 2 K3Fe(CN)6 = 2 KFe[Fe(CN)6] + 4 K
Na2O + H2SO3 = NaHSO3 + H2O =>
Na2O + 2 H2SO3 = 2 NaHSO3 + H2O
C21H44 + O2 = C + H2O =>
C21H44 + 11 O2 = 21 C + 22 H2O
BaSO4 + NaCl = BaCl2 + Na2SO4 =>
BaSO4 + 2 NaCl = BaCl2 + Na2SO4
Ba + K2(CO3) = K + Ba(CO3) =>
Ba + K2(CO3) = 2 K + Ba(CO3)
Na(s) + MgCl2(aq) = NaCl + Mg =>
2 Na(s) + MgCl2(aq) = 2 NaCl + Mg
K2SiO3 + H2O = KHSiO3 + KOH =>
K2SiO3 + H2O = KHSiO3 + KOH
Co(s) + HCl(aq) = CoCl2(aq) + H2(g) =>
Co(s) + 2 HCl(aq) = CoCl2(aq) + H2(g)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C + OH = C2OH =>
2 C + OH = C2OH
CN + O2 = CO2 + NO2 =>
CN + 2 O2 = CO2 + NO2
Fe + Cu2O = Fe2O3 + Cu =>
2 Fe + 3 Cu2O = Fe2O3 + 6 Cu
BaSO4 + Fe = BaFe + SO4 =>
BaSO4 + Fe = BaFe + SO4
CH3(l) + O2(g) = H2O(l) + CO2(g) =>
4 CH3(l) + 7 O2(g) = 6 H2O(l) + 4 CO2(g)
CH3CH2NO2 + Fe + HCl = CH3CH2NH3Cl + FeCl2 + H2O =>
CH3CH2NO2 + 3 Fe + 7 HCl = CH3CH2NH3Cl + 3 FeCl2 + 2 H2O
As(OH)3 + SO2 = As2O3 + S(OH)4 =>
4 As(OH)3 + 3 SO2 = 2 As2O3 + 3 S(OH)4
Cd{2+} + Ca(OH)2 = Cd(OH)2 + Ca{2+} =>
Cd{2+} + Ca(OH)2 = Cd(OH)2 + Ca{2+}
SrS(aq) + CuSO4(aq) = SrSO4(s) + CuS(aq) =>
SrS(aq) + CuSO4(aq) = SrSO4(s) + CuS(aq)
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
Fe + S + HCl = FeCl2 + H2S =>
Fe + S + 2 HCl = FeCl2 + H2S
Ni(ClO3)2 = NiCl2 + O2 =>
Ni(ClO3)2 = NiCl2 + 3 O2
HCl + Fe2O3 + H2O = FeCl3*6H2O =>
6 HCl + Fe2O3 + 9 H2O = 2 FeCl3*6H2O
C4H10 + H2O = CO2 + H2 =>
C4H10 + 8 H2O = 4 CO2 + 13 H2
Fe2O3 + KI + H2SO4 = FeSO4 + I2 + K2SO4 + H2O =>
Fe2O3 + 2 KI + 3 H2SO4 = 2 FeSO4 + I2 + K2SO4 + 3 H2O
C + OH = COH =>
C + OH = COH
Na2SO4(s) + C(s) = Na2S(s) + CO2(g) =>
Na2SO4(s) + 2 C(s) = Na2S(s) + 2 CO2(g)
CH3CH2OH + HBr = CH3CH2Br + H2O =>
CH3CH2OH + HBr = CH3CH2Br + H2O
Na2Cr2O7 + NaF = CrF6 + Na2O =>
Na2Cr2O7 + 12 NaF = 2 CrF6 + 7 Na2O
MnO + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 MnO + 5 PbO2 + 10 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 4 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Cu(SO4) + BaCl2 = BaSO4 + CuCl2 =>
Cu(SO4) + BaCl2 = BaSO4 + CuCl2
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
KNO2 + K2S2O5 = K3[N(SO3)3] + K2SO3 =>
KNO2 + 2 K2S2O5 = K3[N(SO3)3] + K2SO3
PbO2 + Cu = Pb + Cu2O =>
PbO2 + 4 Cu = Pb + 2 Cu2O
H(NO3) + H2S = NO2 + H2O + S =>
2 H(NO3) + H2S = 2 NO2 + 2 H2O + S
HCl + MgO2 = Cl2 + Mg(OH)2 =>
2 HCl + MgO2 = Cl2 + Mg(OH)2
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Équations équilibrées sur10/26/24
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