| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 VO{2+} + O2 + 2 H2O = 4 VO2{+} + 4 H{+}
FeS + HNO3 = FeNO33 + SO2 + NO2 + H2O =>
FeS + 66 HNO3 = FeNO33 + SO2 + 65 NO2 + 33 H2O
HC3H2O3 + MgCO3 = H2O + CO2 + Mg(C3H2O3)2 =>
2 HC3H2O3 + MgCO3 = H2O + CO2 + Mg(C3H2O3)2
C2H2 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
C2H2 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 2 CO2 + 4 H2O
NH2OH + KBrO3 = N2 + KBr + H2O =>
6 NH2OH + KBrO3 = 3 N2 + KBr + 9 H2O
C5H12N2O2 + C4H8O = C9H18N2O2 + H2O =>
C5H12N2O2 + C4H8O = C9H18N2O2 + H2O
Mg + H2SO4 = MgSO4 + SO1 + H2O =>
2 Mg + 3 H2SO4 = 2 MgSO4 + SO1 + 3 H2O
B10H18O12 + O2 = B2O3 + H2O =>
B10H18O12 + 6 O2 = 5 B2O3 + 9 H2O
NH3 + H2O + Cu(NO3)2 = Cu(NH4)2 + NO3 =>
20 NH3 + 6 H2O + 9 Cu(NO3)2 = 9 Cu(NH4)2 + 20 NO3
BrO + SnO2 = SnBr4 + O2 =>
4 BrO + SnO2 = SnBr4 + 3 O2
H2BrO2 = H4 + Br2 + O6 =>
6 H2BrO2 = 3 H4 + 3 Br2 + 2 O6
K2CrO4 + Fe(OH)2 + H2O = Cr2O3 + Fe(OH)3 + KOH =>
2 K2CrO4 + 6 Fe(OH)2 + 5 H2O = Cr2O3 + 6 Fe(OH)3 + 4 KOH
BaBr2 + Na2(SO4) = Ba(SO4) + NaBr =>
BaBr2 + Na2(SO4) = Ba(SO4) + 2 NaBr
Ca + Ag + HCl = CaCl2 + HAg =>
Ca + 2 Ag + 2 HCl = CaCl2 + 2 HAg
Na + CO = NaCO =>
Na + CO = NaCO
Al(OH)3 + KF = AlF3 + KOH =>
Al(OH)3 + 3 KF = AlF3 + 3 KOH
[Zn(NH3)6]Cl2 + HCl = ZnCl2 + NH4Cl =>
[Zn(NH3)6]Cl2 + 6 HCl = ZnCl2 + 6 NH4Cl
C6H6O3S + NaOH = C6H5SO3Na + H2O =>
C6H6O3S + NaOH = C6H5SO3Na + H2O
I{-}(aq) + S2O82{-}(aq) = SO42{-}(aq) + I2(aq)I2(aq) + S2O32{-}(aq) = I{-}(aq) + S4O62{-}(aq) =>
100 I{-}(aq) + 104 S2O82{-}(aq) = 200 SO42{-}(aq) + 25 I2(aq)I2(aq) + 4 S2O32{-}(aq)
CuCl2 + (NH4)2S = CuS + NH3 + HCl =>
CuCl2 + (NH4)2S = CuS + 2 NH3 + 2 HCl
VO2{+} + SO3{2–} + H3O{+} + H2O = [VO(H2O)5]{2+} + SO4{2–} =>
2 VO2{+} + SO3{2–} + 2 H3O{+} + 7 H2O = 2[VO(H2O)5]{2+} + SO4{2–}
Ca(OH)2 + MgF2 = Mg(OH)2 + CaF2 =>
Ca(OH)2 + MgF2 = Mg(OH)2 + CaF2
Na2CO3(s) + HCl(l) = NaCl + H2O + CO2 =>
Na2CO3(s) + 2 HCl(l) = 2 NaCl + H2O + CO2
Cr(ii) + O = Cr(ii)O =>
Cr(ii) + O = Cr(ii)O
Zn + N2 + H2O = N2H4 + Zn{2+} + OH{-} =>
2 Zn + N2 + 4 H2O = N2H4 + 2 Zn{2+} + 4 OH{-}
CaCO3(s) + HCl(aq) = CaCl2(aq) + H2O(g) + CO2(l) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + H2O(g) + CO2(l)
CH2CH2 + KMnO4 + H2O = MnO2 + KOH + HOCH3CHCH2OH =>
9 CH2CH2 + 4 KMnO4 + 8 H2O = 4 MnO2 + 4 KOH + 6 HOCH3CHCH2OH
H2SO4 + Na = H2 + Na2SO4 =>
H2SO4 + 2 Na = H2 + Na2SO4
C6H12O6 = C4H6 + CO2 + H2O =>
11 C6H12O6 = 12 C4H6 + 18 CO2 + 30 H2O
(CH3)2CHOH + O2 = (CH3)2CO + H2O2 =>
(CH3)2CHOH + O2 = (CH3)2CO + H2O2
Cl2O5 + K2O = K2Cl2O6 =>
Cl2O5 + K2O = K2Cl2O6
Ca + P = Ca3P4 =>
3 Ca + 4 P = Ca3P4
C14H10O2 + NaBH4 + H2O = C14H12O2 + NaB(OH)4 =>
4 C14H10O2 + NaBH4 + 4 H2O = 4 C14H12O2 + NaB(OH)4
H2SO4Pb = H2PbSO4 =>
H2SO4Pb = H2PbSO4
KH2PO4 = P2O5 + KOH + H2O =>
2 KH2PO4 = P2O5 + 2 KOH + H2O
CH3C(O)OH + NaOH = CH3COO2H2 + Na =>
CH3C(O)OH + NaOH = CH3COO2H2 + Na
Cr + H2O = CrOH + H2 =>
2 Cr + 2 H2O = 2 CrOH + H2
LiF + B2(SO3)3 = Li2SO3 + BF3 =>
6 LiF + B2(SO3)3 = 3 Li2SO3 + 2 BF3
AgI = Ag + I =>
AgI = Ag + I
Fe2(SO4)3 + NaCl = Na(SO4)3 + Fe2Cl =>
Fe2(SO4)3 + NaCl = Na(SO4)3 + Fe2Cl
CuCl2 + CH3CSNH2 = [Cu(CH3CSNH2)2]Cl2 =>
CuCl2 + 2 CH3CSNH2 = [Cu(CH3CSNH2)2]Cl2
CuNO3(aq) + NACl(aq) = CuCl(s) + NANO3(aq) =>
CuNO3(aq) + NACl(aq) = CuCl(s) + NANO3(aq)
FeCl2 + K2Cr2O7 + HCl = CrCl3 + FeCl3 + KCl + H2O =>
6 FeCl2 + K2Cr2O7 + 14 HCl = 2 CrCl3 + 6 FeCl3 + 2 KCl + 7 H2O
Pb3O4 + HNO3 = Pb(NO3) + H2O + PbO2 =>
3 Pb3O4 + 4 HNO3 = 4 Pb(NO3) + 2 H2O + 5 PbO2
Na[Al(OH)4] + HCl + H2O = [Al(H2O)6]Cl3 + NaCl =>
Na[Al(OH)4] + 4 HCl + 2 H2O = [Al(H2O)6]Cl3 + NaCl
Ca(HCO3)2 = CaO + H2O + CO2 =>
Ca(HCO3)2 = CaO + H2O + 2 CO2
RCH2OH + MnO4{-} = RCHO + MnO2 + H2O + OH{-} =>
3 RCH2OH + 2 MnO4{-} = 3 RCHO + 2 MnO2 + 2 H2O + 2 OH{-}
NaCl + Ag = AgCl + Na =>
NaCl + Ag = AgCl + Na
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
CrAlO3CrAl + HNO3 = Cr(NO3)3 + Al(NO3)3 + N2O + H2O =>
4 CrAlO3CrAl + 54 HNO3 = 8 Cr(NO3)3 + 8 Al(NO3)3 + 3 N2O + 27 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/19/24
Équations équilibrées sur01/18/24
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