| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2CO2(aq) + CoCl2(aq) = 2 NaCl(aq) + CoCO2(s)
H2SO4 + Tc(OH)7 = Tc2(SO4)7 + H2O =>
7 H2SO4 + 2 Tc(OH)7 = Tc2(SO4)7 + 14 H2O
Cu2NO3{-2)+MgCl = Cu2Cl+MgNO3{-2} =>
Cu2NO3{-2)+MgCl = Cu2Cl+MgNO3{-2}
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
VSO4 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + VOSO4 + H2O =>
5 VSO4 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 5 VOSO4 + 3 H2O
HCl + PET = Cl{-} + PET{+} + H2 =>
2 HCl + 2 PET = 2 Cl{-} + 2 PET{+} + H2
Cr2S3 + Mn(NO3)2 + Na2CO3 = Na2CrO4 + Na2SO4 + Na2MnO4 + NO + CO2 =>
Cr2S3 + 15 Mn(NO3)2 + 20 Na2CO3 = 2 Na2CrO4 + 3 Na2SO4 + 15 Na2MnO4 + 30 NO + 20 CO2
CH3OH + OH = HCOO + H2O =>
CH3OH + 5 OH = HCOO + 4 H2O
NaI + KMnO4 + KOH = I2 + NaOH + K2(MnO4) =>
2 NaI + 2 KMnO4 + 2 KOH = I2 + 2 NaOH + 2 K2(MnO4)
NaOH + C6H8O7 = C6H5O6Na + H2O =>
NaOH + C6H8O7 = C6H5O6Na + 2 H2O
V + ClO3 + OH{-} = HV2O73{-} + Cl{-} + H2O =>
14 V + 144 ClO3 + 151 OH{-} = 7 HV2O73{-} + 144 Cl{-} + 72 H2O
SodiumSulfate + BariumNitrate = SodiumNitrate + BariumSulfate =>
SodiumSulfate + BariumNitrate = SodiumNitrate + BariumSulfate
Li(s) + F2(g) = LiF =>
2 Li(s) + F2(g) = 2 LiF
K2MnO4 + KI + HCl = I + MnCl2 + KCl + H2O =>
K2MnO4 + 4 KI + 8 HCl = 4 I + MnCl2 + 6 KCl + 4 H2O
Ag2O + CH3CHO = Ag + CH3COOH =>
Ag2O + CH3CHO = 2 Ag + CH3COOH
(CH3(CH2)4CH3)(l) + O2(g) = CO2(g) + H2O(g) =>
2(CH3(CH2)4CH3)(l) + 19 O2(g) = 12 CO2(g) + 14 H2O(g)
Zn + Na2SO4 = Na + ZnSO4 =>
Zn + Na2SO4 = 2 Na + ZnSO4
RaCl2 = Ra + Cl =>
RaCl2 = Ra + 2 Cl
Pb(CH3COO)2(aq) + ZnSO4(aq) = PbSO4(s) + Zn(CH3COO)2(aq) =>
Pb(CH3COO)2(aq) + ZnSO4(aq) = PbSO4(s) + Zn(CH3COO)2(aq)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HAuCl4 + FeSO4 = Au + FeCl3 + Fe2(SO4)3 + HCl =>
HAuCl4 + 3 FeSO4 = Au + FeCl3 + Fe2(SO4)3 + HCl
Cr(OH)3 + HClO4 = Cr(ClO4)3 + H2O =>
Cr(OH)3 + 3 HClO4 = Cr(ClO4)3 + 3 H2O
ZnSO4 + NaOH = (ZnOH)2SO4 + Na2SO4 =>
2 ZnSO4 + 2 NaOH = (ZnOH)2SO4 + Na2SO4
ClO3{-} + H2O = Cl{-} + OH =>
ClO3{-} + 3 H2O = Cl{-} + 6 OH
S2{-} + Cl2 + OH{-} = SO4{2-} + Cl{-} + H2O =>
2 S2{-} + 13 Cl2 + 32 OH{-} = 4 SO4{2-} + 26 Cl{-} + 16 H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
Fe + H = H2Fe =>
Fe + 2 H = H2Fe
KMnO4 + CoCl2 + HgO + H2O = MnO2 + Co(OH)3 + KCl + HgCl2 =>
2 KMnO4 + 6 CoCl2 + 5 HgO + 9 H2O = 2 MnO2 + 6 Co(OH)3 + 2 KCl + 5 HgCl2
Cu(CH3COO)2 + H2S = CuS + CH3COOH =>
Cu(CH3COO)2 + H2S = CuS + 2 CH3COOH
Cr(OH)3 + H2O2 + NaOH = Na2CrO4 + H2O =>
2 Cr(OH)3 + 3 H2O2 + 4 NaOH = 2 Na2CrO4 + 8 H2O
MnO + PbO2 + H2O = MnO4{-} + Pb2{+} + H{+} =>
7 MnO + 10 PbO2 + H2O = 7 MnO4{-} + 5 Pb2{+} + 2 H{+}
Pb(NO3)2(aq) + Na2SiO3(aq) = PbSiO3(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2SiO3(aq) = PbSiO3(s) + 2 NaNO3(aq)
Ca(OH)2 + Al(SO4)3 = Al(OH)3 + Ca + SO4 =>
3 Ca(OH)2 + 2 Al(SO4)3 = 2 Al(OH)3 + 3 Ca + 6 SO4
Ag(SO4) = AgSO4 =>
Ag(SO4) = AgSO4
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
C6H4(COOH)2 + NaOH = C6H4(COONa)2 + H2O =>
C6H4(COOH)2 + 2 NaOH = C6H4(COONa)2 + 2 H2O
LiCl + KOH = LiHO + KCl =>
LiCl + KOH = LiHO + KCl
H(PO3) + Al(OH)3 = Al(PO3)3 + H2O =>
3 H(PO3) + Al(OH)3 = Al(PO3)3 + 3 H2O
FeCr2O4 + HCl = FeCl3 + Cr2O4 + H2 =>
2 FeCr2O4 + 6 HCl = 2 FeCl3 + 2 Cr2O4 + 3 H2
Na3PO4 + AgNO3 = NaNO3 + Ag3PO4 =>
Na3PO4 + 3 AgNO3 = 3 NaNO3 + Ag3PO4
Hg2SO4 + HCl = HSO4 + Hg2Cl =>
Hg2SO4 + HCl = HSO4 + Hg2Cl
CH3CH2OH + C2H4OHCOOH = C3H7C2H3O3 + H2O =>
CH3CH2OH + C2H4OHCOOH = C3H7C2H3O3 + H2O
H3CCH2Br + CuO = H2CCH2 + H2O + CuBr2 =>
2 H3CCH2Br + CuO = 2 H2CCH2 + H2O + CuBr2
NaHCl3 + HCl = NaCl + H2Cl3 =>
NaHCl3 + HCl = NaCl + H2Cl3
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
HCl + O2 = Cl3 + H2O =>
12 HCl + 3 O2 = 4 Cl3 + 6 H2O
Sn(OH)4 + NaOH = Na4[Sn(OH)8] =>
Sn(OH)4 + 4 NaOH = Na4[Sn(OH)8]
HNO3 + P4 = NO2 + H2O + H3PO4 =>
20 HNO3 + P4 = 20 NO2 + 4 H2O + 4 H3PO4
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