| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CaSO4 + C = 2 SO2 + 2 CaO + CO2
MoH6 + O2 = Mo2O3 + H2O =>
4 MoH6 + 9 O2 = 2 Mo2O3 + 12 H2O
CuH2 + HNO3 = Cu(NO3)2 + H2 =>
CuH2 + 2 HNO3 = Cu(NO3)2 + 2 H2
Al(NO3)3 + Na2Te + H2O = Al(OH)3 + H2Te + NaNO3 =>
2 Al(NO3)3 + 3 Na2Te + 6 H2O = 2 Al(OH)3 + 3 H2Te + 6 NaNO3
Li2O + Be3(PO4)2 = Li3PO4 + BeO =>
3 Li2O + Be3(PO4)2 = 2 Li3PO4 + 3 BeO
BaN2 = Ba + N2 =>
BaN2 = Ba + N2
C4H9Cl + C2H5Cl + Na = C6H14 + NaCl =>
C4H9Cl + C2H5Cl + 2 Na = C6H14 + 2 NaCl
BaN2 = Ba + N2 =>
BaN2 = Ba + N2
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
PbO2 + MrSO4 + H2SO4 = PbSO4 + HMrO4 + H2O =>
5 PbO2 + 2 MrSO4 + 3 H2SO4 = 5 PbSO4 + 2 HMrO4 + 2 H2O
BaN2 = Ba + N2 =>
BaN2 = Ba + N2
ZnCl2 + (NH4)2S = ZnS + NH4Cl =>
ZnCl2 + (NH4)2S = ZnS + 2 NH4Cl
CH3CH2CH(OH)CH3 + KMnO4 = CH3CH2COCH3 + H2O + MnO2 + KOH =>
3 CH3CH2CH(OH)CH3 + 2 KMnO4 = 3 CH3CH2COCH3 + 2 H2O + 2 MnO2 + 2 KOH
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
FeCl3 + NaF = NaCl + FeF3 =>
FeCl3 + 3 NaF = 3 NaCl + FeF3
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
CaCl2 + H(NO3) = Ca(NO3)2 + HCl =>
CaCl2 + 2 H(NO3) = Ca(NO3)2 + 2 HCl
Cl2(g) + HBr(aq) = HCl(aq) + Br2(l) =>
Cl2(g) + 2 HBr(aq) = 2 HCl(aq) + Br2(l)
CH3CHO + Ag(NH3)2{+} + OH{-} = CH3COO{-} + Ag + H2O + NH3 =>
CH3CHO + 2 Ag(NH3)2{+} + 3 OH{-} = CH3COO{-} + 2 Ag + 2 H2O + 4 NH3
Ca(OH0)2 + HCl = CaCl2 + H2O =>
Ca(OH0)2 + 2 HCl = CaCl2 + 2 H2O
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
KMnO4 + H2SO4 + C6H12O6 = MnSO4 + CO2 + K2SO4 + H2O =>
24 KMnO4 + 36 H2SO4 + 5 C6H12O6 = 24 MnSO4 + 30 CO2 + 12 K2SO4 + 66 H2O
Al + H2O = Al2O3 + H3 =>
2 Al + 3 H2O = Al2O3 + 2 H3
Sb2S3 + O2 = Sb4O6 + SO2 =>
2 Sb2S3 + 9 O2 = Sb4O6 + 6 SO2
N2O5 + Zn = Zn(NO3)2 + NO =>
4 N2O5 + 3 Zn = 3 Zn(NO3)2 + 2 NO
RbBr + AgNO3 = AgBr + RbNO3 =>
RbBr + AgNO3 = AgBr + RbNO3
BeOLi2O = Li2BeO2 =>
BeOLi2O = Li2BeO2
N2O5 + Zn = Zn(NO3)2 + NO =>
4 N2O5 + 3 Zn = 3 Zn(NO3)2 + 2 NO
NaI + AgNo3 = AgI + NaNo3 =>
NaI + AgNo3 = AgI + NaNo3
KI + PbO = PbI2 + K2O =>
2 KI + PbO = PbI2 + K2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
As + I2 = AsI3 =>
2 As + 3 I2 = 2 AsI3
Al(NO3)3 + NaOH = Na(Al(OH)4) + NaNO3 =>
Al(NO3)3 + 4 NaOH = Na(Al(OH)4) + 3 NaNO3
CuN + NaCl = NaN + CuCl =>
CuN + NaCl = NaN + CuCl
HClO3 + H2S = H2SO4 + HCl =>
4 HClO3 + 3 H2S = 3 H2SO4 + 4 HCl
FeSO4 + KOH = Fe(OH)2 + K2SO4 =>
FeSO4 + 2 KOH = Fe(OH)2 + K2SO4
P4 + HNO3 = P2O5 + H2O + NO =>
3 P4 + 20 HNO3 = 6 P2O5 + 10 H2O + 20 NO
(NH4)3PO4 + Ba + Cl2 = Ba3PO4 + (NH4)Cl2 =>
(NH4)3PO4 + 3 Ba + 3 Cl2 = Ba3PO4 + 3(NH4)Cl2
CrSCN{2+} + Cl2 + H2O = Cl{-} + NO3{-} + CO2 + HSO4{-} + Cr2O7{2-} + H{+} =>
2 CrSCN{2+} + 19 Cl2 + 25 H2O = 38 Cl{-} + 2 NO3{-} + 2 CO2 + 2 HSO4{-} + Cr2O7{2-} + 48 H{+}
Cu(No3)2 + Na2S = CuS + NaNo3 =>
Cu(No3)2 + Na2S = CuS + 2 NaNo3
N2O5 + Zn = Zn(NO3)2 + NO =>
4 N2O5 + 3 Zn = 3 Zn(NO3)2 + 2 NO
H2C = CH2 =>
H2C = CH2
(NH4)2CoY*2H2O + H2O2 = NH4*CoY*2H2O + NH4OH =>
2(NH4)2CoY*2H2O + H2O2 = 2 NH4*CoY*2H2O + 2 NH4OH
H2O + K = H2OK =>
H2O + K = H2OK
C99H158NO76 + CH4N2O = C5H7O2N + H2O + CO2 =>
40 C99H158NO76 + 379 CH4N2O = 798 C5H7O2N + 1125 H2O + 349 CO2
KI + Cu(OH)2 = KOH + CuI2 =>
2 KI + Cu(OH)2 = 2 KOH + CuI2
AgNO3 + KCI = AgCI + KNO3 =>
AgNO3 + KCI = AgCI + KNO3
Mn + CdSO4 = Cd + Mn2SO4 =>
2 Mn + CdSO4 = Cd + Mn2SO4
LiCl + O2 = LiClO9 =>
2 LiCl + 9 O2 = 2 LiClO9
Rb + HNO3 = RbNO3 + H2 =>
2 Rb + 2 HNO3 = 2 RbNO3 + H2
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