| Équations équilibrées la veille | Équations équilibrées le lendemain |
9 Ba + 2(Po4)3 = 3 Ba3(Po4)2
[Ni(CO)4] + H2SO4(d) = NiSO4 + SO2 + CO + H2O =>
[Ni(CO)4] + 2 H2SO4(d) = NiSO4 + SO2 + 4 CO + 2 H2O
HClO + NaCN = HCN + NaClO =>
HClO + NaCN = HCN + NaClO
NiCl2 + NaNO3 = Ni(NO3)2 + NaCl =>
NiCl2 + 2 NaNO3 = Ni(NO3)2 + 2 NaCl
U + H = UH3 =>
U + 3 H = UH3
FeSH2SO4 = H2SFeSO4 =>
FeSH2SO4 = H2SFeSO4
CaCO2 + KMnO4 + H2SO4 = MnSO2 + CaSO4 + CO2 + H2O + K2SO4 =>
9 CaCO2 + 2 KMnO4 + 12 H2SO4 = 2 MnSO2 + 9 CaSO4 + 9 CO2 + 12 H2O + K2SO4
CS2 + O2 = CS2O2 =>
CS2 + O2 = CS2O2
Lu2O3 + Cr2O3 = LuCrO3 =>
Lu2O3 + Cr2O3 = 2 LuCrO3
(NH4)C2O4 + Ba(NO3)2 = (NH4)(NO3)2 + BaC2O4 =>
(NH4)C2O4 + Ba(NO3)2 = (NH4)(NO3)2 + BaC2O4
CrO4{2-} + C2H4 + H{+} + H2O = Cr2O3 + C2H4(OH)2 =>
2 CrO4{2-} + 3 C2H4 + 4 H{+} + H2O = Cr2O3 + 3 C2H4(OH)2
H2C2O4 + Ce(SO4)2 = CO2 + H2(SO4) + Ce2(SO4)3 =>
H2C2O4 + 2 Ce(SO4)2 = 2 CO2 + H2(SO4) + Ce2(SO4)3
AlI3 + Pb(NO3)3 = Al(NO3)3 + PbI3 =>
AlI3 + Pb(NO3)3 = Al(NO3)3 + PbI3
LiCl + H2O = ClH2LiO =>
LiCl + H2O = ClH2LiO
SN + H2SO4 = SNSO4 + S + H2O =>
3 SN + 4 H2SO4 = 3 SNSO4 + S + 4 H2O
CH3COOHHCl = CH3COOH2Cl =>
CH3COOHHCl = CH3COOH2Cl
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
NaHCO3 + CH3(CH2)16COOH = CH(CH2)16COONa + H2O + CO2 =>
52 NaHCO3 + 51 CH3(CH2)16COOH = 52 CH(CH2)16COONa + 86 H2O + 34 CO2
H2 + NiCO3*2Ni(OH)2*4H2O = H2O + CO + Ni =>
4 H2 + NiCO3*2Ni(OH)2*4H2O = 10 H2O + CO + 3 Ni
Mg + Pt(SO4)2 = MgSO4 + Pt =>
2 Mg + Pt(SO4)2 = 2 MgSO4 + Pt
Br3 = Br =>
Br3 = 3 Br
C2H4 + H2SO4 + KMnO4 + H2O = C2H4(OH)2 + K2SO4 + MnSO4 =>
5 C2H4 + 3 H2SO4 + 2 KMnO4 + 2 H2O = 5 C2H4(OH)2 + K2SO4 + 2 MnSO4
NH4OH(aq) + Al(NO3)3(aq) = Al(OH)3(s) + NH4NO3(aq) =>
3 NH4OH(aq) + Al(NO3)3(aq) = Al(OH)3(s) + 3 NH4NO3(aq)
CU(OH)2 + H2S = H2O + CUS =>
CU(OH)2 + H2S = 2 H2O + CUS
CaCr2O7(ac) + As2O3(s) + HCl(ac) = CrCl3(ac) + Ca(HAsO4)2(ac) + H2O(l) =>
CaCr2O7(ac) + As2O3(s) + 6 HCl(ac) = 2 CrCl3(ac) + Ca(HAsO4)2(ac) + 2 H2O(l)
HCH2 + OH = CH2 + H2O =>
HCH2 + OH = CH2 + H2O
LiPO2 + LiMnO4 + H2SO4 = Li2SO4 + MnSO4 + H2O + LiPO3 =>
5 LiPO2 + 2 LiMnO4 + 3 H2SO4 = Li2SO4 + 2 MnSO4 + 3 H2O + 5 LiPO3
Li2OH2O = LiOH =>
Li2OH2O = 2 LiOH
C2Cl4 + Fe + H{+} = C2H4 + Cl{-} + Fe{2+} =>
C2Cl4 + 4 Fe + 4 H{+} = C2H4 + 4 Cl{-} + 4 Fe{2+}
Fe{2+} + Ag{+} = Fe{+3} + Ag =>
Fe{2+} + Ag{+} = Fe{+3} + Ag
Mg(NO3)2 + K(OH)2 = Mg(OH)2 + K(NO3)2 =>
Mg(NO3)2 + K(OH)2 = Mg(OH)2 + K(NO3)2
Y2O3 + NH4HF2 = YOF + NH3 + H2O =>
Y2O3 + NH4HF2 = 2 YOF + NH3 + H2O
Na(AlH4) + H2O + O2 = Na[Al(OH)4(H2O)2] =>
Na(AlH4) + 2 H2O + 2 O2 = Na[Al(OH)4(H2O)2]
KNO2 + KI + H2SO4 = NO + I2 + H2O + K2SO4 =>
2 KNO2 + 2 KI + 2 H2SO4 = 2 NO + I2 + 2 H2O + 2 K2SO4
AgS + HNO3 = AgNO3 + NO2 + SH2O =>
AgS + 2 HNO3 = AgNO3 + NO2 + SH2O
ZnSO4(aq) + Na3PO4 = Na2SO4(aq) + Zn3(PO4)2(s) =>
3 ZnSO4(aq) + 2 Na3PO4 = 3 Na2SO4(aq) + Zn3(PO4)2(s)
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
FeO + HI = Fe + H2O + I2 =>
FeO + 2 HI = Fe + H2O + I2
C6H10O7 = CO2 + C2H6O =>
3 C6H10O7 = 8 CO2 + 5 C2H6O
C160H200 + O2 = CO2 + H2O =>
C160H200 + 210 O2 = 160 CO2 + 100 H2O
C6H5CH2Cl + O2 = C6H5COOH + HCl =>
C6H5CH2Cl + O2 = C6H5COOH + HCl
H2SiF6 + NaHSO4 = NaF + SiO2 + H + S + O =>
H2SiF6 + 6 NaHSO4 = 6 NaF + SiO2 + 8 H + 6 S + 22 O
K + SnI4 = KI + Sn4 =>
16 K + 4 SnI4 = 16 KI + Sn4
Ca(PO) + SiO + C = CaSiO + CO + P =>
Ca(PO) + SiO + C = CaSiO + CO + P
XPb(NO3)2(aq) + K2CO3 = XPbCO3 + KNO3 =>
XPb(NO3)2(aq) + K2CO3 = XPbCO3 + 2 KNO3
NaOH + H2Te = Na2Te + H2O =>
2 NaOH + H2Te = Na2Te + 2 H2O
NH4Br + LiOH = BrLi + NH3 + H2O =>
NH4Br + LiOH = BrLi + NH3 + H2O
NaVO3 + H2O2 + H2SO4 = H2O + [VO4]SO4 + Na2SO4 =>
2 NaVO3 + 5 H2O2 + 3 H2SO4 = 8 H2O + 2[VO4]SO4 + Na2SO4
HI + O2 = OH + I2 =>
2 HI + O2 = 2 OH + I2
CuCl + K2Cr2O7 + HCl = KCl + CuCl2 + H2O + CrCl3 =>
6 CuCl + K2Cr2O7 + 14 HCl = 2 KCl + 6 CuCl2 + 7 H2O + 2 CrCl3
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