| Équations équilibrées la veille | Équations équilibrées le lendemain |
V2O5 + 5 C = 2 V + 5 CO
Ni(NO3)2 + NH3 + H2O = Ni(OH)3 + NH4NO3 =>
8 Ni(NO3)2 + 14 NH3 + 21 H2O = 8 Ni(OH)3 + 15 NH4NO3
C254H375N65O75S17 + O2 = CO2 + H2O + N2 + S8 =>
8 C254H375N65O75S17 + 2482 O2 = 2032 CO2 + 1500 H2O + 260 N2 + 17 S8
NaClO3 + Fe = Fe(ClO3)2 + Na =>
2 NaClO3 + Fe = Fe(ClO3)2 + 2 Na
K2Cr2O7 + S + H2O = SO2 + Cr2O3 + K(OH) =>
2 K2Cr2O7 + 3 S + 2 H2O = 3 SO2 + 2 Cr2O3 + 4 K(OH)
Pb + Fe3{+} = Fe + Pb2{+} =>
2 Pb + Fe3{+} = 3 Fe + Pb2{+}
MgO + NH3 = Mg3N2 + H2O =>
3 MgO + 2 NH3 = Mg3N2 + 3 H2O
O2(g) + C(aq) + H(aq) = CH2O(aq) =>
O2(g) + 2 C(aq) + 4 H(aq) = 2 CH2O(aq)
Ag + OCS + H2O = Ag2S + CO2 + H2 =>
2 Ag + OCS + H2O = Ag2S + CO2 + H2
C2H3O2Na + C10H8O4 + C8H18O = C8H4O4Na2 + C2H6O2 =>
118 C2H3O2Na + 37 C10H8O4 + 2 C8H18O = 59 C8H4O4Na2 + 75 C2H6O2
Na(s) + H2O = NaOH(aq) + H(g) =>
Na(s) + H2O = NaOH(aq) + H(g)
KHCO3 + Mg(NO3)2 = KNO3 + Mg(HCO3)2 =>
2 KHCO3 + Mg(NO3)2 = 2 KNO3 + Mg(HCO3)2
CH3COOH + CH3NH2 = CH3COO{-} + CH3NH3{+} =>
CH3COOH + CH3NH2 = CH3COO{-} + CH3NH3{+}
Ag2S + H3PO4 = Ag3PO4 + H2S =>
3 Ag2S + 2 H3PO4 = 2 Ag3PO4 + 3 H2S
S + N = NS =>
S + N = NS
Ca(CH3COO)2 + K2C2O4 = CaC2O4 + CH3COOK =>
Ca(CH3COO)2 + K2C2O4 = CaC2O4 + 2 CH3COOK
OH + CuCl2 + NH3 + H2O = Cu(NH3)4(H2O2)2 + NH4Cl =>
2 OH + CuCl2 + 6 NH3 + 2 H2O = Cu(NH3)4(H2O2)2 + 2 NH4Cl
CH3OH + KMnO4 + H2SO4 = HCOOH + KHSO4 + MnSO4 + H2O =>
5 CH3OH + 4 KMnO4 + 8 H2SO4 = 5 HCOOH + 4 KHSO4 + 4 MnSO4 + 11 H2O
AgNO3 + PbBr2 = AgBr + Pb(NO3)2 =>
2 AgNO3 + PbBr2 = 2 AgBr + Pb(NO3)2
Hg3 + O2 = Hg2O2 =>
2 Hg3 + 3 O2 = 3 Hg2O2
CO2 + Fe(OH)3 = Fe2(CO3)3 + H2O =>
3 CO2 + 2 Fe(OH)3 = Fe2(CO3)3 + 3 H2O
FeCl + NaSiO3 = FeSiO3 + NaCl =>
FeCl + NaSiO3 = FeSiO3 + NaCl
FeCl3 + CuOH = Fe(OH)3 + CuCl =>
FeCl3 + 3 CuOH = Fe(OH)3 + 3 CuCl
Ba(NO3)2 + HOH = H2 + NO3 + Ba(OH)2 =>
Ba(NO3)2 + 2 HOH = H2 + 2 NO3 + Ba(OH)2
H2SO4 + HNO3 = H2SO4{+3} + HNO3{-4} =>
4 H2SO4 + 3 HNO3 = 4 H2SO4{+3} + 3 HNO3{-4}
NaHCO3 + S = Na2S + CO2 + H2O + SO2 =>
4 NaHCO3 + 3 S = 2 Na2S + 4 CO2 + 2 H2O + SO2
C6HH12O2 + O2 = CO2 + H2O =>
4 C6HH12O2 + 33 O2 = 24 CO2 + 26 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cl{2} + KBr = KCl + Br{2} =>
Cl{2} + KBr = KCl + Br{2}
Pb(OH)4 + NaOH = Na2PbO3 + H2O =>
Pb(OH)4 + 2 NaOH = Na2PbO3 + 3 H2O
CH3CH2CH2OH + O2 = CH3CHO + H2O =>
4 CH3CH2CH2OH + 3 O2 = 6 CH3CHO + 4 H2O
C3H7Br + NH3 = C3H7NH2 + BrH =>
C3H7Br + NH3 = C3H7NH2 + BrH
KMnO4 + NaOH + KI = KOH + MnO2 + Na2O + I2 =>
2 KMnO4 + 8 NaOH + 6 KI = 8 KOH + 2 MnO2 + 4 Na2O + 3 I2
C6H12O6 + MnO4 = Mn + CO2 + H2O =>
C6H12O6 + 3 MnO4 = 3 Mn + 6 CO2 + 6 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
CaO + Li2CO3 = Li4Ca2O4 + CO2 =>
2 CaO + 2 Li2CO3 = Li4Ca2O4 + 2 CO2
Ag + BrI = AgBrI =>
Ag + BrI = AgBrI
Ag2O() = Ag() + O2() =>
2 Ag2O() = 4 Ag() + O2()
(C2H5)3N + HNO3 = (C2H5)3NHNO3 =>
(C2H5)3N + HNO3 = (C2H5)3NHNO3
HCOOH + CH3OH = HCOOH3C + H2O =>
HCOOH + CH3OH = HCOOH3C + H2O
K(s) + N2(g) = KN(s) =>
2 K(s) + N2(g) = 2 KN(s)
H2SO4 + V2O3 = V2(SO4)3 + H2O =>
3 H2SO4 + V2O3 = V2(SO4)3 + 3 H2O
KCl + S = KClS3 =>
KCl + 3 S = KClS3
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
KCl + Ag2SO4 = K2SO4 + AgCl =>
2 KCl + Ag2SO4 = K2SO4 + 2 AgCl
Sodium + bariumnitrate = barium + sodiumnitrate =>
2 Na + Ba(NO3)2 = Ba + 2 NaNO3
Fe2{+} + K = Fe + K{+} =>
Fe2{+} + K = 2 Fe + K{+}
F2 + I2 = IF5 =>
5 F2 + I2 = 2 IF5
Al + KNO3 + NaOH + H2O = NH3 + KAl(OH)4 + NaNO3 =>
8 Al + 8 KNO3 + 5 NaOH + 18 H2O = 3 NH3 + 8 KAl(OH)4 + 5 NaNO3
ABC + CB = AB4C + BC2 =>
ABC + 6 CB = AB4C + 3 BC2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/10/25
Équations équilibrées sur02/09/24
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