| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 N2 + 3 O2 = 2 N2O3
K4Fe(CN)6 + NiSO4 = Ni2Fe(CN)6 + K2SO4 =>
K4Fe(CN)6 + 2 NiSO4 = Ni2Fe(CN)6 + 2 K2SO4
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
NaOH + SIO2 = NaSIO3 + H2 =>
2 NaOH + 2 SIO2 = 2 NaSIO3 + H2
C3H7Br + HCl = C3H7Cl + HBr =>
C3H7Br + HCl = C3H7Cl + HBr
C20H42 + Cl2 = C20Cl42 + H2 =>
C20H42 + 21 Cl2 = C20Cl42 + 21 H2
H2CO3(aq) + NH3(aq) = (NH4)2CO3 =>
H2CO3(aq) + 2 NH3(aq) = (NH4)2CO3
SO3 + H2O = SO2 + H2O2 =>
SO3 + H2O = SO2 + H2O2
Cu5 + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu5 + 20 HNO3 = 5 Cu(NO3)2 + 10 NO2 + 10 H2O
BaOK2O = BaK2O2 =>
BaOK2O = BaK2O2
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(g) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(g)
N2H4(g) + N2O4(g) = N2(g) + H2O(g) =>
2 N2H4(g) + N2O4(g) = 3 N2(g) + 4 H2O(g)
MgCl2 + H2S = HCl + MgS =>
MgCl2 + H2S = 2 HCl + MgS
KMnO4 + CaCl2 + H2SO4 = K2SO4 + MnSO4 + CaSO4 + Cl2 + H2O =>
2 KMnO4 + 5 CaCl2 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 CaSO4 + 5 Cl2 + 8 H2O
[Fe(CN)6] + Ba(C2H3O2)2 = Ba2[Fe(CN)6]3 + (C2H3O2)2 =>
3[Fe(CN)6] + 2 Ba(C2H3O2)2 = Ba2[Fe(CN)6]3 + 2(C2H3O2)2
Sr(CO3) = Sr + CO3 =>
Sr(CO3) = Sr + CO3
(COOH)2 + NaOH = COONa + H2O =>
(COOH)2 + 2 NaOH = 2 COONa + 2 H2O
Cu + HgSO4 = CuSO4 + Hg =>
Cu + HgSO4 = CuSO4 + Hg
Na2CrO4 + Ba(NO3)2 = Na(NO3) + BaCrO4 =>
Na2CrO4 + Ba(NO3)2 = 2 Na(NO3) + BaCrO4
C + H2 = CH4 =>
C + 2 H2 = CH4
Fe + Cl3 + NaOH = NaCl + Fe(OH)3 =>
Fe + Cl3 + 3 NaOH = 3 NaCl + Fe(OH)3
AgBr(sunlight) = Ag + Br =>
AgBr(sunlight) = Ag + Br
AgNO3 + K4(CrO4)2 = Ag2CrO4 + KNO3 =>
4 AgNO3 + K4(CrO4)2 = 2 Ag2CrO4 + 4 KNO3
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
MgCl2 + H2S = HCl + MgS =>
MgCl2 + H2S = 2 HCl + MgS
B2 + H2O = H2 + H3BO3 =>
B2 + 6 H2O = 3 H2 + 2 H3BO3
(NH4)2SO4(aq) + Pb(NO3)2(aq) = PbSO4(s) + NH4NO3(aq) =>
(NH4)2SO4(aq) + Pb(NO3)2(aq) = PbSO4(s) + 2 NH4NO3(aq)
KMnO4 + CaCl2 + H2SO4 = K2SO4 + MnSO4 + CaSO4 + Cl2 + H2O =>
2 KMnO4 + 5 CaCl2 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 CaSO4 + 5 Cl2 + 8 H2O
Cu3N2 = Cu + N2 =>
Cu3N2 = 3 Cu + N2
CCl4 + HBr = CBr4 + HCl =>
CCl4 + 4 HBr = CBr4 + 4 HCl
NH4NO2 + O2 = N2O + H2O =>
2 NH4NO2 + O2 = 2 N2O + 4 H2O
NaHS + KMnO4 + H2O = H2SO4 + KOH + MnO2 + NaOH =>
3 NaHS + 8 KMnO4 + 7 H2O = 3 H2SO4 + 8 KOH + 8 MnO2 + 3 NaOH
K(MnO4) + MnCl2 + H2O = MnO2 + KCl + HCl =>
2 K(MnO4) + 3 MnCl2 + 2 H2O = 5 MnO2 + 2 KCl + 4 HCl
H2Cr2O7 + CH3OH = Cr2O3 + H2O + HCOOH =>
2 H2Cr2O7 + 3 CH3OH = 2 Cr2O3 + 5 H2O + 3 HCOOH
Ag + H2O = Ag2O + H2 =>
2 Ag + H2O = Ag2O + H2
NH3 + N2SO4 = (NH4)2SO4 + N2 =>
8 NH3 + 3 N2SO4 = 3(NH4)2SO4 + 4 N2
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
H{+} + As2O3 + NO3{-} + H2O = H3AsO4 + N2O3 =>
2 H{+} + As2O3 + 2 NO3{-} + 2 H2O = 2 H3AsO4 + N2O3
[Co(NH3)6]Cl2 + H2O + HCl = [Co(NH3)5H2O]Cl3 + NH3 + H2 =>
2[Co(NH3)6]Cl2 + 2 H2O + 2 HCl = 2[Co(NH3)5H2O]Cl3 + 2 NH3 + H2
Zn + H3PO4 = Zn3(PO4)2 + H2 = =>
3 Zn + 2 H3PO4 = Zn3(PO4)2 + 3 H2
Pb{2+} + {-} = Pb0 =>
Pb{2+} + 2e = Pb0
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cr2O7{-2} + CH3CH2OH + H{+} = Cr{+3} + C2H4O2 + H2O =>
2 Cr2O7{-2} + 3 CH3CH2OH + 16 H{+} = 4 Cr{+3} + 3 C2H4O2 + 11 H2O
KMnO4 + CaCl2 + H2SO4 = K2SO4 + MnSO4 + CaSO4 + Cl2 + H2O =>
2 KMnO4 + 5 CaCl2 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5 CaSO4 + 5 Cl2 + 8 H2O
C2H5NH2 + HBr = C2H5Br + NH3 =>
C2H5NH2 + HBr = C2H5Br + NH3
H2SO3 + Pt(OH)4 = Pt(SO3)2 + H2O =>
2 H2SO3 + Pt(OH)4 = Pt(SO3)2 + 4 H2O
Na + NaOH = Na2O + NaH =>
2 Na + NaOH = Na2O + NaH
C6H12O6H2O(s) + O2(g) = CO3(g) + H2O(l) =>
C6H12O6H2O(s) + 9 O2(g) = 6 CO3(g) + 7 H2O(l)
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
NH3 + N2SO4 = (NH4)2SO4 + N2 =>
8 NH3 + 3 N2SO4 = 3(NH4)2SO4 + 4 N2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/22/24
Équations équilibrées sur01/21/24
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