| Équations équilibrées la veille |
30 V{5+} + 27 Br6{2+} + 68 O3{3-} = 30 VBr2 + 102 BrO2
H3P + NaBr = HBr + Na3P =>
H3P + 3 NaBr = 3 HBr + Na3P
CH2H50H + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
6 CH2H50H + 53 K2Cr2O7 + 212 H2SO4 = 3 CH3COOH + 53 Cr2(SO4)3 + 53 K2SO4 + 365 H2O
Cu2Cr2O7 + Mg = Cu2Mg + Cr2O7 =>
Cu2Cr2O7 + Mg = Cu2Mg + Cr2O7
K + Fe(CN)6 + FeCl3 = KCl + Fe4[Fe(CN)6]3 =>
12 K + 3 Fe(CN)6 + 4 FeCl3 = 12 KCl + Fe4[Fe(CN)6]3
NaOH + KHC2O4H2O = KNaC2O4H2O + H2O =>
NaOH + KHC2O4H2O = KNaC2O4H2O + H2O
Al(Cl)3 + Hg2(NO3)3 = Al(NO3)3 + Hg2 + (Cl)2 =>
2 Al(Cl)3 + 2 Hg2(NO3)3 = 2 Al(NO3)3 + 2 Hg2 + 3(Cl)2
HNO2 + Ra(OH)2 = Ra(NO2)2 + HOH =>
2 HNO2 + Ra(OH)2 = Ra(NO2)2 + 2 HOH
Mn2O3 + H2O = H2Mn2O4 =>
Mn2O3 + H2O = H2Mn2O4
H4B2O5 + Ni = Ni(H2B2O5)3 + H2 =>
3 H4B2O5 + Ni = Ni(H2B2O5)3 + 3 H2
Sc(ClO4)3 + NaF = Na3(ScF6) + NaClO4 =>
Sc(ClO4)3 + 6 NaF = Na3(ScF6) + 3 NaClO4
CaCl2 + CaCO3 = CaCl + CO3 =>
CaCl2 + CaCO3 = 2 CaCl + CO3
Ag + O3 = AgO2 =>
3 Ag + 2 O3 = 3 AgO2
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
Ca + ClO4 = CaClO4 =>
Ca + ClO4 = CaClO4
Fe2S3 + K = Fe + KS =>
Fe2S3 + 3 K = 2 Fe + 3 KS
C12H12O14 + O2 = CO2 + H2O =>
C12H12O14 + 8 O2 = 12 CO2 + 6 H2O
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
CH2CH(CH2)2CH3(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH2CH(CH2)2CH3(l) + 15 O2(g) = 10 CO2(g) + 10 H2O(g)
PbO + CO = Pb + CO2 =>
PbO + CO = Pb + CO2
HS + O2 = SO2 + H2O =>
4 HS + 5 O2 = 4 SO2 + 2 H2O
Cr(NO3)3(aq) + Ca(OH)2(aq) = Cr(OH)3(s) + Ca(NO3)2(aq) =>
2 Cr(NO3)3(aq) + 3 Ca(OH)2(aq) = 2 Cr(OH)3(s) + 3 Ca(NO3)2(aq)
Fe + KCNS = Fe(CNS)3 + K =>
Fe + 3 KCNS = Fe(CNS)3 + 3 K
K2S2O5 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O =>
5 K2S2O5 + 4 KMnO4 + H2SO4 = 7 K2SO4 + 4 MnSO4 + H2O
Cu + HCO3 = Cu(CO3)2 + CO2 + H2O =>
Cu + 4 HCO3 = Cu(CO3)2 + 2 CO2 + 2 H2O
CH3CH2CHO + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH2COOH + H2O =>
5 CH3CH2CHO + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO2 + 5 CH3CH2COOH + 4 H2O
Pb(NO3)2 + NaSO4 = Pb(SO4)2 + Na + (NO3)2 =>
Pb(NO3)2 + 2 NaSO4 = Pb(SO4)2 + 2 Na + (NO3)2
PO4 + Ba2 = Ba3PO4 =>
2 PO4 + 3 Ba2 = 2 Ba3PO4
Cu(NH3)4 + KCN = Cu(CN)4 + KNH3 =>
Cu(NH3)4 + 4 KCN = Cu(CN)4 + 4 KNH3
Mg(NO3)2 + H2O = Mg(OH)2 + NH4 + O2 =>
2 Mg(NO3)2 + 10 H2O = 2 Mg(OH)2 + 4 NH4 + 9 O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
FeBr3(aq) + AgNO3(aq) = Fe(NO3)3(aq) + AgBr(s) =>
FeBr3(aq) + 3 AgNO3(aq) = Fe(NO3)3(aq) + 3 AgBr(s)
CH3COOCa + Na2CO3 = CaCO3 + CH3COONa2 =>
CH3COOCa + Na2CO3 = CaCO3 + CH3COONa2
N2O + KMnO4 + H2SO4 = MnSO4 + NO + K2SO4 + H2O =>
5 N2O + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 10 NO + K2SO4 + 3 H2O
HCl + Mh(OH)2 = H2O + MhCl2 =>
2 HCl + Mh(OH)2 = 2 H2O + MhCl2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
KBr + CrO2 + H2SO4 = Br2 + K2SO4 + CrSO4 + H2O =>
2 KBr + CrO2 + 2 H2SO4 = Br2 + K2SO4 + CrSO4 + 2 H2O
NH4ReO4 + H2 = ReO2 + H2O + NH3 =>
2 NH4ReO4 + 3 H2 = 2 ReO2 + 4 H2O + 2 NH3
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Nb + H2O = NbO(OH)3 + H2 =>
2 Nb + 8 H2O = 2 NbO(OH)3 + 5 H2
HCOOH + Ca(OH)2 = Ca + COOH + H2O =>
2 HCOOH + Ca(OH)2 = Ca + 2 COOH + 2 H2O
AlO(OH) + Ca2Al(AlSi3O10)(OH)2 = Ca3Al2Si3O12 + Al2Si2O5(OH)4 + H2O =>
2 AlO(OH) + 6 Ca2Al(AlSi3O10)(OH)2 = 4 Ca3Al2Si3O12 + 3 Al2Si2O5(OH)4 + H2O
NiCl2 + N2H5Cl = [Ni(N2H4)2Cl2] + HCl =>
NiCl2 + 2 N2H5Cl = [Ni(N2H4)2Cl2] + 2 HCl
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
CuSO4 + NH2CH2CH2NH2 = Cu(NH2CH2CH2NH2)2*SO4 =>
CuSO4 + 2 NH2CH2CH2NH2 = Cu(NH2CH2CH2NH2)2*SO4
CH4O + C4H8O2 = C5H10O2 + H2O =>
CH4O + C4H8O2 = C5H10O2 + H2O
H + N = N6H =>
H + 6 N = N6H
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
Sodiumiodide + Potassiumnitrate = Potassiumiodide + Sodiumnitrate =>
NaI + KNO3 = KI + NaNO3
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Équations équilibrées sur01/08/25
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