| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeCl3KOH = KCl3(s)FeOH
Ca(HCO3)2 + AgNO3 = Ca(NO3)2 + AgHCO3 =>
Ca(HCO3)2 + 2 AgNO3 = Ca(NO3)2 + 2 AgHCO3
MgCl2 + Pb(NO3)4 = Mg(NO3)2 + PbCl4 =>
2 MgCl2 + Pb(NO3)4 = 2 Mg(NO3)2 + PbCl4
C4H8O + Na2SO4 = H2O + Na2SO3 + CO2 =>
C4H8O + 11 Na2SO4 = 4 H2O + 11 Na2SO3 + 4 CO2
CH2O2 + Pb(OH)2 = CO2 + H2O + Pb =>
CH2O2 + Pb(OH)2 = CO2 + 2 H2O + Pb
C4H8O + Na2SO4 = H2O + Na2SO3 + CO2 =>
C4H8O + 11 Na2SO4 = 4 H2O + 11 Na2SO3 + 4 CO2
CH3COOC3H5 + H2O = CH3COOH + C3H5 =>
10 CH3COOC3H5 + 6 H2O = 13 CH3COOH + 8 C3H5
H2SO4 + KMnO4 + C = H2O + CK2SO4 + Mn2O7 =>
H2SO4 + 2 KMnO4 + C = H2O + CK2SO4 + Mn2O7
KMnO4 + Ca(NO2)2 + H2SO4 = K2SO4 + Ca(NO3)2 + MnSO4 + H2O =>
4 KMnO4 + 5 Ca(NO2)2 + 6 H2SO4 = 2 K2SO4 + 5 Ca(NO3)2 + 4 MnSO4 + 6 H2O
CaHPo4 + H3Po4 = Ca(H2Po4)2 =>
CaHPo4 + H3Po4 = Ca(H2Po4)2
Zn + Fe{3+} = Fe + Zn{+} =>
3 Zn + Fe{3+} = Fe + 3 Zn{+}
CaCl2 + (NH4)2C2O4 = CaC2O4 + NH4Cl =>
CaCl2 + (NH4)2C2O4 = CaC2O4 + 2 NH4Cl
Ba(NO3)2(aq) + (NH4)2SO4(aq) = BaSO4(aq) + NH4NO3(aq) =>
Ba(NO3)2(aq) + (NH4)2SO4(aq) = BaSO4(aq) + 2 NH4NO3(aq)
(CH3)(CH2)2CH3 + O2 = CO2 + H2O =>
2(CH3)(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
(NH4)2C2O4 + Al(ClO4)3 = NH4ClO4 + Al2(C2O4)3 =>
3(NH4)2C2O4 + 2 Al(ClO4)3 = 6 NH4ClO4 + Al2(C2O4)3
As2O5Mg(OH)2 = As2(OH)2MgO5 =>
As2O5Mg(OH)2 = As2(OH)2MgO5
KPO3 = K2O + P2O5 =>
2 KPO3 = K2O + P2O5
K2(Cr2O7) + BaCl2 + H2SO4 = Cl2 + Cr2(SO4)3 + Ba(SO4) + K2(SO4) + H2O =>
K2(Cr2O7) + 3 BaCl2 + 7 H2SO4 = 3 Cl2 + Cr2(SO4)3 + 3 Ba(SO4) + K2(SO4) + 7 H2O
K2Cr2O7 + H2SO4 = CrO3 + K2SO4 + H2O =>
K2Cr2O7 + H2SO4 = 2 CrO3 + K2SO4 + H2O
Cr2S3 + O = Cr2O3 + SO2 =>
Cr2S3 + 9 O = Cr2O3 + 3 SO2
NiOHNO3 = NiNO3OH =>
NiOHNO3 = NiNO3OH
C6H5CHO + H{+} + MnO4{-} = C6H5COOH + MnO2 + H2O =>
3 C6H5CHO + 2 H{+} + 2 MnO4{-} = 3 C6H5COOH + 2 MnO2 + H2O
C + SO2 = CS2 + CO11 =>
15 C + 22 SO2 = 11 CS2 + 4 CO11
Cr + O2 = Cr23O3 =>
46 Cr + 3 O2 = 2 Cr23O3
K2SO3H2O2 = K2SO4H2O =>
K2SO3H2O2 = K2SO4H2O
Na + ZnI2 = NaI + Zn =>
2 Na + ZnI2 = 2 NaI + Zn
Zn + HCI = ZnCI + H2 =>
2 Zn + 2 HCI = 2 ZnCI + H2
Fl + MgCl2 = MgFl2 + Cl =>
2 Fl + MgCl2 = MgFl2 + 2 Cl
CuSO4 + NaCl + Na2S2O5 + H2O = CuCl + NaHSO4 =>
4 CuSO4 + 4 NaCl + Na2S2O5 + 3 H2O = 4 CuCl + 6 NaHSO4
HCNS + H2O + Br2 = H2SO4 + HCN + HBr =>
HCNS + 4 H2O + 3 Br2 = H2SO4 + HCN + 6 HBr
NaHCO2 + CH3COOH = CH3COONa + H2O + CO2 =>
4 NaHCO2 + 3 CH3COOH = 4 CH3COONa + 2 H2O + 2 CO2
(NH4)2SO4(aq) + Ca(C2H3O2)2(aq) = NH4C2H3O2(s) + CaSO4(s) =>
(NH4)2SO4(aq) + Ca(C2H3O2)2(aq) = 2 NH4C2H3O2(s) + CaSO4(s)
Zn + CO2 + H2O = ZnCO3 + H2 =>
Zn + CO2 + H2O = ZnCO3 + H2
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
ClO3{-} + H{+} = Cl2 + O2 + H2O =>
4 ClO3{-} + 4 H{+} = 2 Cl2 + 5 O2 + 2 H2O
AgX + Cu = Cu(X)2 + Ag =>
2 AgX + Cu = Cu(X)2 + 2 Ag
NaOH + Al = AlNaOH =>
NaOH + Al = AlNaOH
CHCl3 + H2O = HCl + H2CO2 =>
CHCl3 + 2 H2O = 3 HCl + H2CO2
BaOH = BaH + O =>
BaOH = BaH + O
CuCl2 + Na2SO4 = CuSO4 + Na2Cl2 =>
CuCl2 + Na2SO4 = CuSO4 + Na2Cl2
Mn2{+} + PbO2 + H{+} = MnO4{-} + Pb{+2} + H2O =>
2 Mn2{+} + 13 PbO2 + 20 H{+} = 4 MnO4{-} + 13 Pb{+2} + 10 H2O
I{-} + H{+} + Cr2O72{-} = Cr3{+} + I2 + H2O =>
854 I{-} + 864 H{+} + 6 Cr2O72{-} = 4 Cr3{+} + 427 I2 + 432 H2O
H2SO4 + Sr(OH)2 = SrSO4 + H2O =>
H2SO4 + Sr(OH)2 = SrSO4 + 2 H2O
CBr4 + BrO3 = CO2 + Br2 =>
3 CBr4 + 2 BrO3 = 3 CO2 + 7 Br2
C2H6O + K2Cr2O7 + H2SO4 = C2H4O + K2SO4 + Cr2(SO4) + H2O =>
5 C2H6O + K2Cr2O7 + 2 H2SO4 = 5 C2H4O + K2SO4 + Cr2(SO4) + 7 H2O
C8H16 + O2 = CO2 + H2O =>
C8H16 + 12 O2 = 8 CO2 + 8 H2O
CH3(CH2)CH3(l) + O2(g) = CO2(g) + H2O(l) =>
CH3(CH2)CH3(l) + 5 O2(g) = 3 CO2(g) + 4 H2O(l)
Al + HNO3 = Al(NO3) + N20 + H2O =>
100 Al + 120 HNO3 = 100 Al(NO3) + N20 + 60 H2O
Fe(ClO4)3 + H2S = Fe2S3 + HClO4 =>
2 Fe(ClO4)3 + 3 H2S = Fe2S3 + 6 HClO4
(Cu3NO3)2 + NaOH = Cu3OH + NaNO3 =>
(Cu3NO3)2 + 2 NaOH = 2 Cu3OH + 2 NaNO3
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