| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 Zn + 2 NO3 + 15 H2 = 6 ZnOH4 + 2 NH3
(Na)2O + HCl = NaCl + H2O =>
(Na)2O + 2 HCl = 2 NaCl + H2O
KI + Co = CoI2 + K =>
2 KI + Co = CoI2 + 2 K
H2O + Na2S2O3 + Cl = NaCl + SO4 + H =>
5 H2O + Na2S2O3 + 2 Cl = 2 NaCl + 2 SO4 + 10 H
Na3PO4 + BaCl2 = Na3Cl2 + BaPO4 =>
Na3PO4 + BaCl2 = Na3Cl2 + BaPO4
Pb(C2H3O2)2(aq) + Na2SO4(s) = Na(C2H3O2) + PbSO4 =>
Pb(C2H3O2)2(aq) + Na2SO4(s) = 2 Na(C2H3O2) + PbSO4
Cr2O3 + KCN + H2O = Cr(NO3) + K + CO2 + H =>
Cr2O3 + 2 KCN + 7 H2O = 2 Cr(NO3) + 2 K + 2 CO2 + 14 H
Cr2O3 + C + F2 = CrF2 + CO =>
Cr2O3 + 3 C + 2 F2 = 2 CrF2 + 3 CO
C2H5OH + O2 = H2O + C2H3OH =>
2 C2H5OH + O2 = 2 H2O + 2 C2H3OH
Sr + O2 = Sr2O =>
4 Sr + O2 = 2 Sr2O
Al2(SO4)3 + Na2CO3 + H2O = Al(OH)3 + CO2 + Na2(SO4) =>
Al2(SO4)3 + 3 Na2CO3 + 3 H2O = 2 Al(OH)3 + 3 CO2 + 3 Na2(SO4)
Ca(OH)2 + SO2 = Ca(SO3)2 + H2 =>
Ca(OH)2 + 2 SO2 = Ca(SO3)2 + H2
HNO3 + C6H5Cl = ClC6H4(NO2) + H2O =>
HNO3 + C6H5Cl = ClC6H4(NO2) + H2O
S03 + O2 = SO3 =>
2 S03 + 9 O2 = 6 SO3
SO2 + H2O2 = SO3 + H2O = H2SO4 =>
SO2 + H2O2 = SO3 + H2O
H2C2O4 + KBrO3 = KBr + CO2 + H2O =>
3 H2C2O4 + KBrO3 = KBr + 6 CO2 + 3 H2O
Al2 + I6 = AlI3 =>
Al2 + I6 = 2 AlI3
KPO4 + BaSO4 = KSO4 + BaPO4 =>
KPO4 + BaSO4 = KSO4 + BaPO4
H2O + Fe2(SO4)3 + K2S = Fe(OH)2 + K2SO4 + H2S =>
20 H2O + 4 Fe2(SO4)3 + 13 K2S = 8 Fe(OH)2 + 13 K2SO4 + 12 H2S
KCIO3 + BaCl2 = BaCIO3 + KCl2 =>
KCIO3 + BaCl2 = BaCIO3 + KCl2
FeO + SO3 = FeO3 + SO =>
FeO + SO3 = FeO3 + SO
Co(NO3)2(H2O)6 + Ni(NO3)2(H2O)6 + Fe(NO3)3(H2O)9 = Ni5Co5Fe20O40 + O2 + H2O + N2 =>
5 Co(NO3)2(H2O)6 + 5 Ni(NO3)2(H2O)6 + 20 Fe(NO3)3(H2O)9 = Ni5Co5Fe20O40 + 100 O2 + 240 H2O + 40 N2
Tl2S + H2O = H2S + Tl + O2 =>
2 Tl2S + 2 H2O = 2 H2S + 4 Tl + O2
Hg2Cl2 + HNO3 + HCl = HgCl2 + NO + H2O =>
3 Hg2Cl2 + 2 HNO3 + 6 HCl = 6 HgCl2 + 2 NO + 4 H2O
CH2CHBr + KCN = CH2CHCN + KBr =>
CH2CHBr + KCN = CH2CHCN + KBr
I{-} + H{+} + MnO4{-} = H2O + I2 + Mn{2+} =>
10 I{-} + 16 H{+} + 2 MnO4{-} = 8 H2O + 5 I2 + 2 Mn{2+}
H2CrO4 + C2H5OH = H2O + CH3COOH + CrH2 =>
H2CrO4 + 2 C2H5OH = 2 H2O + 2 CH3COOH + CrH2
Al + O = Al*3O =>
Al + 3 O = Al*3O
Ba(OH)2(aq) + H3PO4 = Ba3(PO4)2(aq) + H2O =>
3 Ba(OH)2(aq) + 2 H3PO4 = Ba3(PO4)2(aq) + 6 H2O
KMnO4 + HCl = H3MnCl6 + K2MnCl6 + H2O + Cl2 =>
4 KMnO4 + 38 HCl = 2 H3MnCl6 + 2 K2MnCl6 + 16 H2O + 7 Cl2
Al + H3O{+} = Al{+3} + H2 + H2O =>
2 Al + 6 H3O{+} = 2 Al{+3} + 3 H2 + 6 H2O
(C2H5O)2P(O)H + CH3MgBr = (CH3)2P(O)MgBr + MgBr(OC2H5) + CH4 =>
(C2H5O)2P(O)H + 3 CH3MgBr = (CH3)2P(O)MgBr + 2 MgBr(OC2H5) + CH4
Hg2Cl2 + HNO3 + HCl = HgCl2 + NO + H2O =>
3 Hg2Cl2 + 2 HNO3 + 6 HCl = 6 HgCl2 + 2 NO + 4 H2O
Br2 + H2SO4 = HBrO3 + SO2 + H2O =>
Br2 + 5 H2SO4 = 2 HBrO3 + 5 SO2 + 4 H2O
[Co(NH3)5Cl]Cl2 + NaNO2 = [Co(NO2)(NH3)5]Cl2 + NaCl =>
[Co(NH3)5Cl]Cl2 + NaNO2 = [Co(NO2)(NH3)5]Cl2 + NaCl
Mg(H3C2O2)2 + KOH = Mg(OH)2 + KH3C2O2 =>
Mg(H3C2O2)2 + 2 KOH = Mg(OH)2 + 2 KH3C2O2
H4 + HO18 = H2O =>
35 H4 + 4 HO18 = 72 H2O
Zn + KMnO4 + KOH = K2MnO4 + Zn(OH)2 =>
Zn + 2 KMnO4 + 2 KOH = 2 K2MnO4 + Zn(OH)2
K2Cr2O7 + FeSO4 + HCl = KCl + CrCl3 + Fe(SO4)3 + H2O + FeCl3 =>
K2Cr2O7 + 3 FeSO4 + 14 HCl = 2 KCl + 2 CrCl3 + Fe(SO4)3 + 7 H2O + 2 FeCl3
Mg3N2 + H2 = NH3 + Mg =>
Mg3N2 + 3 H2 = 2 NH3 + 3 Mg
Al(OH)3 + OH = [Al(OH)6] =>
Al(OH)3 + 3 OH = [Al(OH)6]
Mg(OH)2 + H3PO4 = Mg3(PO4)2 + OHH =>
3 Mg(OH)2 + 2 H3PO4 = Mg3(PO4)2 + 6 OHH
H + NiO2 = Ni + H2O =>
4 H + NiO2 = Ni + 2 H2O
SO4 + HCl = SO4Cl2 + H =>
SO4 + 2 HCl = SO4Cl2 + 2 H
KCIO3 + BaCl2 = BaCIO3 + KCl2 =>
KCIO3 + BaCl2 = BaCIO3 + KCl2
H2CO3 + RbOH = RbCO3 + H3O =>
H2CO3 + RbOH = RbCO3 + H3O
Cr(OH){-}1 + Br2 + OH{-} = CrO4{-}2 + Br{-} + H2O =>
2 Cr(OH){-}1 + 7 Br2 + 14 OH{-} = 2 CrO4{-}2 + 14 Br{-} + 8 H2O
NaCIO + I + NaOH = NaIO + NaCI + H2O =>
NaCIO + 2 I + 2 NaOH = 2 NaIO + NaCI + H2O
Zn + Bi(NO3)3 = Zn3Bi + NO3 =>
3 Zn + Bi(NO3)3 = Zn3Bi + 3 NO3
Li2SO4 + Ba(NO3)2 = LiNO3 + BaSO4 =>
Li2SO4 + Ba(NO3)2 = 2 LiNO3 + BaSO4
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Équations équilibrées sur11/23/24
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