| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe3O4 + 3 F2 = 3 FeF2 + 2 O2
HBr + Li2CO3 = CO2 + LiBr + H2O =>
2 HBr + Li2CO3 = CO2 + 2 LiBr + H2O
NiCl3(aq) + Na2CO3(aq) = Ni2(CO3)3(s) + NaCl(aq) =>
2 NiCl3(aq) + 3 Na2CO3(aq) = Ni2(CO3)3(s) + 6 NaCl(aq)
NF2 + H2 = N2 + HF =>
2 NF2 + 2 H2 = N2 + 4 HF
C8H12O4 + O2 = CO2 + H2O =>
C8H12O4 + 9 O2 = 8 CO2 + 6 H2O
Sb2S3 + NO3{-} + H2O = SbO4{2-} + SO4{2-} + N2 + H{+} =>
Sb2S3 + 6 NO3{-} + 2 H2O = 2 SbO4{2-} + 3 SO4{2-} + 3 N2 + 4 H{+}
CuCl2 + HNO3 = Cu(NO3)2 + NOCl + Cl2 + H2O =>
3 CuCl2 + 8 HNO3 = 3 Cu(NO3)2 + 2 NOCl + 2 Cl2 + 4 H2O
AgNO3 + HCN = AgCN + HNO3 =>
AgNO3 + HCN = AgCN + HNO3
Na2O2 + H3O = NaOH + O2 =>
3 Na2O2 + 2 H3O = 6 NaOH + O2
C10H8(l) + O2(g) = CO2(g) + H2O(l) =>
C10H8(l) + 12 O2(g) = 10 CO2(g) + 4 H2O(l)
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + OH =>
Cr2O3 + 5 KNO3 + 4 KOH = 2 K2CrO4 + 5 KNO2 + 4 OH
Fe + MgO = Fe2O3 + Mg =>
2 Fe + 3 MgO = Fe2O3 + 3 Mg
HgCl + H2SO4 = Hg2SO4 + HCl =>
2 HgCl + H2SO4 = Hg2SO4 + 2 HCl
NaOH + Al = AlNaOH =>
NaOH + Al = AlNaOH
N2H4 + H2SO4 = N2H5{+} + SO4{-2} =>
2 N2H4 + H2SO4 = 2 N2H5{+} + SO4{-2}
Sr(OH)2 + MnI5 = SrI2 + Mn(OH)5 =>
5 Sr(OH)2 + 2 MnI5 = 5 SrI2 + 2 Mn(OH)5
HBrO3 + Ca(HCO3)2 = H2O + CO2 + Ca(BrO3)2 =>
2 HBrO3 + Ca(HCO3)2 = 2 H2O + 2 CO2 + Ca(BrO3)2
CuNO3 + Na(OH)2 = Cu(OH)2 + NaNO3 =>
CuNO3 + Na(OH)2 = Cu(OH)2 + NaNO3
K2CrO4(aq) + Ba(NO3)2(aq) = BaCrO4 + KNO3 =>
K2CrO4(aq) + Ba(NO3)2(aq) = BaCrO4 + 2 KNO3
C2H5COOH + KOH = C2H5COOK + H2O =>
C2H5COOH + KOH = C2H5COOK + H2O
C4H10 + NaBr + H2SO4 = C4H9Br + NaHSO4 + H =>
C4H10 + NaBr + H2SO4 = C4H9Br + NaHSO4 + 2 H
HCl + Na2SiO3 = SiO2 + NaCl + H2O =>
2 HCl + Na2SiO3 = SiO2 + 2 NaCl + H2O
Ba + Tl2S3 = BaS + Tl2 =>
3 Ba + Tl2S3 = 3 BaS + Tl2
FeS + H2SO4 = Fe2(SO4)3 + S + H2O =>
2 FeS + 4 H2SO4 = Fe2(SO4)3 + 3 S + 4 H2O
CHOOH + Li = CHOOLi + H2 =>
2 CHOOH + 2 Li = 2 CHOOLi + H2
MnC2O4*3H2O(s) + O2(g) = MnO(g) + H2O(g) + CO2(g) =>
2 MnC2O4*3H2O(s) + O2(g) = 2 MnO(g) + 6 H2O(g) + 4 CO2(g)
Fe + Al2(CO3)3 = Fe2(CO3)3 + Al =>
2 Fe + Al2(CO3)3 = Fe2(CO3)3 + 2 Al
NH2CH2CO2 + CuC4H8O5 + H2O = Cu(NH2CH2CO2)*H2O + C4H8O5 =>
NH2CH2CO2 + CuC4H8O5 + H2O = Cu(NH2CH2CO2)*H2O + C4H8O5
KMnO4 + NH3 = KOH + H2O + MnO2 + KNO3 =>
8 KMnO4 + 3 NH3 = 5 KOH + 2 H2O + 8 MnO2 + 3 KNO3
OH + CO3Ni = Ni3O4 + H2O + CO2 =>
2 OH + 3 CO3Ni = Ni3O4 + H2O + 3 CO2
PH3 + HMnO4 = MnO2 + H3PO4 + H2 =>
PH3 + 2 HMnO4 = 2 MnO2 + H3PO4 + H2
C6H5OHCH3 + O2 = CO2 + H2O =>
4 C6H5OHCH3 + 35 O2 = 28 CO2 + 18 H2O
C8H12O4 + O2 = CO2 + H2O =>
C8H12O4 + 9 O2 = 8 CO2 + 6 H2O
ZnO + Na2B4O7*H2O = ZnOB2O3 + NaOH =>
2 ZnO + Na2B4O7*H2O = 2 ZnOB2O3 + 2 NaOH
FeCl3 + K2O = KCl + Fe2O3 =>
2 FeCl3 + 3 K2O = 6 KCl + Fe2O3
CH3CH(OH)COOH + CH3OH = CH3CH(OH)COOCH3 + H2O =>
CH3CH(OH)COOH + CH3OH = CH3CH(OH)COOCH3 + H2O
Br2 + H2S = HBr + S8 =>
8 Br2 + 8 H2S = 16 HBr + S8
AgNO3CuBr2 = AgBr2CuNO3 =>
AgNO3CuBr2 = AgBr2CuNO3
NaBr(g) + Cl2(g) = NaCl(g) + Br2(g) =>
2 NaBr(g) + Cl2(g) = 2 NaCl(g) + Br2(g)
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
FeS + Li2O = FeO + Li2S =>
FeS + Li2O = FeO + Li2S
Fe(SO4)3 + NH3 + H2O = Fe(OH)3 + (NH4)SO4 =>
Fe(SO4)3 + 3 NH3 + 3 H2O = Fe(OH)3 + 3(NH4)SO4
Os3 + O2 = Os2O3 =>
4 Os3 + 9 O2 = 6 Os2O3
FeBr3 + CuN2O6 = Fe(NO3)3 + CuBr2 =>
2 FeBr3 + 3 CuN2O6 = 2 Fe(NO3)3 + 3 CuBr2
Na3PO4(aq) + CaBr2(aq) = NaBr(aq) + Ca3(PO4)2 =>
2 Na3PO4(aq) + 3 CaBr2(aq) = 6 NaBr(aq) + Ca3(PO4)2
Cr2(SO4)3 + NaOH = Cr2O3 + Na2SO4 + H2O =>
Cr2(SO4)3 + 6 NaOH = Cr2O3 + 3 Na2SO4 + 3 H2O
NH3 + NO2 = N3 + H2O =>
12 NH3 + 9 NO2 = 7 N3 + 18 H2O
KClO3 + KI + HCl = I2 + KCl + H2O =>
KClO3 + 6 KI + 6 HCl = 3 I2 + 7 KCl + 3 H2O
Ca(NO3)2 + Na2S = NaNO3 + CaS =>
Ca(NO3)2 + Na2S = 2 NaNO3 + CaS
HS + O2 = S2O2 + H2O =>
4 HS + 3 O2 = 2 S2O2 + 2 H2O
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Équations équilibrées sur12/21/23
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