| Équations équilibrées la veille |
H3CCOOOCCH3 + C6H5OH = CH3COOH + C6H5OOCCH3
NH + SO2 = N2 + S + H2O =>
4 NH + SO2 = 2 N2 + S + 2 H2O
AgSO4Na = NaSO4Ag =>
AgSO4Na = NaSO4Ag
Ba{+2} + (NH4)2HPO4 = BaHPO4 + NH4{+} =>
Ba{+2} + (NH4)2HPO4 = BaHPO4 + 2 NH4{+}
LiNO3 + NaOH = Li(OH) + NaNO3 =>
LiNO3 + NaOH = Li(OH) + NaNO3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
H2SZn = ZnSH2 =>
H2SZn = ZnSH2
Zn(s) + SnCl4(aq) = ZnCl2 + Sn =>
2 Zn(s) + SnCl4(aq) = 2 ZnCl2 + Sn
Cr(N2H4CO6)4Cr(CN)6 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O =>
Cr(N2H4CO6)4Cr(CN)6 + 18 KMnO4 + 19 H2SO4 = K2Cr2O7 + 18 MnSO4 + 10 CO2 + 14 KNO3 + K2SO4 + 27 H2O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Ag2(SO4) + BaI2 = Ba(SO4) + AgI =>
Ag2(SO4) + BaI2 = Ba(SO4) + 2 AgI
MgO + SO3 = MgSO4 = ,1,2 =>
MgO + SO3 = MgSO4
PbCl2 + HCl = H2(PbCl4) =>
PbCl2 + 2 HCl = H2(PbCl4)
Al(s) + Fe(NO3)2(aq) = Fe(a) + Al(NO3)3(aq) =>
2 Al(s) + 3 Fe(NO3)2(aq) = 3 Fe(a) + 2 Al(NO3)3(aq)
Li2CO3 + BaCl2 = BaCO3 + LiCl =>
Li2CO3 + BaCl2 = BaCO3 + 2 LiCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H2O + Pb(NO3)2 + TiC12H28O4 = PbTiO3 + NH3 + H2 + CO =>
5 H2O + Pb(NO3)2 + TiC12H28O4 = PbTiO3 + 2 NH3 + 16 H2 + 12 CO
Cr2O3 + KOH + O2 = K2Cr2O7 + H2O =>
2 Cr2O3 + 4 KOH + 3 O2 = 2 K2Cr2O7 + 2 H2O
Pb = Pb4 =>
4 Pb = Pb4
SrCl2(aq) + Na2CO3(aq) = SrCO3(s) + NaCl =>
SrCl2(aq) + Na2CO3(aq) = SrCO3(s) + 2 NaCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ca2C + PF3 = C + P4 + CaF2 =>
3 Ca2C + 4 PF3 = 3 C + P4 + 6 CaF2
HCa + H2O = H2Ca + OH =>
HCa + H2O = H2Ca + OH
PbO2 + KI + H2O = KOH + I2 + PbI2 =>
PbO2 + 4 KI + 2 H2O = 4 KOH + I2 + PbI2
Ni + OH2 = NiOH2 =>
Ni + OH2 = NiOH2
CuSO4 + NaOH = NaCu + OHSO4 =>
CuSO4 + NaOH = NaCu + OHSO4
FeCrO4 + S2O8{2-} + H{+} = Fe{3+} + Cr2O7{2-} + SO4{2-} + H2O =>
2 FeCrO4 + S2O8{2-} + 2 H{+} = 2 Fe{3+} + Cr2O7{2-} + 2 SO4{2-} + H2O
HMnO4 + Pb = Pb(MnO4)2 + MnO2 + H2O =>
8 HMnO4 + 3 Pb = 3 Pb(MnO4)2 + 2 MnO2 + 4 H2O
TiO + HNO3 = Ti(NO3)4 + NO2 + H2O =>
TiO + 6 HNO3 = Ti(NO3)4 + 2 NO2 + 3 H2O
HClO3 = HClO4 + H2O + ClO2 =>
3 HClO3 = HClO4 + H2O + 2 ClO2
FeCl2 = Fe + FeCl3 =>
3 FeCl2 = Fe + 2 FeCl3
NH4NO3 + Ca(OH) = Ca(NO2)3 + H2O + NH3 =>
5 NH4NO3 + 2 Ca(OH) = 2 Ca(NO2)3 + 5 H2O + 4 NH3
KMnO4 + K2SO3S + KOH = K2MnO4 + K2SO4 + H2O =>
8 KMnO4 + K2SO3S + 10 KOH = 8 K2MnO4 + 2 K2SO4 + 5 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C6H5NO2 + HCl + Sn = C6H5NH3Cl + SnCl4 + H2O =>
2 C6H5NO2 + 14 HCl + 3 Sn = 2 C6H5NH3Cl + 3 SnCl4 + 4 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ba + Br = BaBr2 =>
Ba + 2 Br = BaBr2
BrO3{-} + Cl{-} + H{+} = Br2 + ClO4{-} + H2O =>
8 BrO3{-} + 5 Cl{-} + 8 H{+} = 4 Br2 + 5 ClO4{-} + 4 H2O
K + AlF3 = KF + Al =>
3 K + AlF3 = 3 KF + Al
K4Fe(CN)6 + K2Cr2O7 + HCl = KCl + FeCl3 + CrCl3 + CO2 + NO + H2O =>
6 K4Fe(CN)6 + 43 K2Cr2O7 + 386 HCl = 110 KCl + 6 FeCl3 + 86 CrCl3 + 36 CO2 + 36 NO + 193 H2O
(NH4)2SO4 + Co(NO3)3 = NH4NO3 + Co2(SO4)3 =>
3(NH4)2SO4 + 2 Co(NO3)3 = 6 NH4NO3 + Co2(SO4)3
H2 + Ce = HCe2 =>
H2 + 4 Ce = 2 HCe2
Cu(heat) = Cu =>
Cu(heat) = Cu
SiO2 + BaO = SiO3 + Ba =>
SiO2 + BaO = SiO3 + Ba
C9N2H6O2 + O2 = CO2 + NH3 =>
C9N2H6O2 + 8 O2 = 9 CO2 + 2 NH3
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
CH3CO2K + KOH = K2CH3 + CO2 + H2 =>
8 CH3CO2K + 4 KOH = 6 K2CH3 + 10 CO2 + 5 H2
KOH + Au(NO3)3 = K[Au(OH)4] + KNO3 =>
4 KOH + Au(NO3)3 = K[Au(OH)4] + 3 KNO3
[Cu(NH3)4]SO4 + K2SO3 + (NH4)2SO3 = Cu + (NH4)2SO4 + NH3 + K2S2O3 =>
[Cu(NH3)4]SO4 + K2SO3 + 4(NH4)2SO3 = Cu + 4(NH4)2SO4 + 4 NH3 + K2S2O3
BaCl2 + Na2S = Ba2S2 + NaCl =>
2 BaCl2 + 2 Na2S = Ba2S2 + 4 NaCl
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