| Équations équilibrées la veille | Équations équilibrées le lendemain |
NaO + H2O = NaOH + OH
CO3 + Ca(NO3)2 = CaCO3 + NO3 =>
CO3 + Ca(NO3)2 = CaCO3 + 2 NO3
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
NaO + H2O = NaOH + OH =>
NaO + H2O = NaOH + OH
FeOH + Na = NaOH + Fe =>
FeOH + Na = NaOH + Fe
KMnO4 + H2O2 = O2 + MnO2 + KOH =>
2 KMnO4 + H2O2 = 2 O2 + 2 MnO2 + 2 KOH
Be + NaOH + H2O = H2 + NaBeO2 =>
2 Be + 2 NaOH + 2 H2O = 3 H2 + 2 NaBeO2
K4[Fe(CN)6] + H2O2 + H2SO4 = K3[Fe(CN)6] + H2O + K2SO4 =>
2 K4[Fe(CN)6] + H2O2 + H2SO4 = 2 K3[Fe(CN)6] + 2 H2O + K2SO4
Cu + NH3 + O2 + H2O = [Cu(NH3)4](OH)2 =>
2 Cu + 8 NH3 + O2 + 2 H2O = 2[Cu(NH3)4](OH)2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
PbO2 + Fe = Pb + FeO2 =>
PbO2 + Fe = Pb + FeO2
XeF2 + H2O = HF + Xe + O2 =>
2 XeF2 + 2 H2O = 4 HF + 2 Xe + O2
PbO2 + HI = PbO + I2 + H2O =>
PbO2 + 2 HI = PbO + I2 + H2O
LiNO3Na2CO3 = Na2NO3LiCO3 =>
LiNO3Na2CO3 = Na2NO3LiCO3
Cl2 + C + H2O = CO2 + (H{+}) + (Cl{-}) =>
2 Cl2 + C + 2 H2O = CO2 + 4(H{+}) + 4(Cl{-})
BaCO3H2SO4 = BaSO4H2CO3 =>
BaCO3H2SO4 = BaSO4H2CO3
H2SO3 + NaOH + O2 = H2O + Na2SO4 =>
2 H2SO3 + 4 NaOH + O2 = 4 H2O + 2 Na2SO4
Na2SO4 + BaO = BaSO4 + Na2O =>
Na2SO4 + BaO = BaSO4 + Na2O
K2CO3(s) + Fe(NO3)3(aq) = Fe2(CO3)3(s) + KNO3(aq) =>
3 K2CO3(s) + 2 Fe(NO3)3(aq) = Fe2(CO3)3(s) + 6 KNO3(aq)
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
HNO2 = N2O3H2O =>
2 HNO2 = N2O3H2O
C13H10O + NaBH4 + H2O = C13H13O + H3BO3 + NaOH =>
8 C13H10O + 3 NaBH4 + 12 H2O = 8 C13H13O + 3 H3BO3 + 3 NaOH
KCrO2 + AgNO3 = AgCrO2 + KNO3 =>
KCrO2 + AgNO3 = AgCrO2 + KNO3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C6H6 = HC =>
C6H6 = 6 HC
ZnCl2 + NaClO3 = NaCl + Zn(ClO3)2 =>
ZnCl2 + 2 NaClO3 = 2 NaCl + Zn(ClO3)2
C2H8N2 + HCl = C2H9N2 + Cl =>
C2H8N2 + HCl = C2H9N2 + Cl
CrCl3(aq) + H2S(g) = Cr2S3(s) + HCl(aq) =>
2 CrCl3(aq) + 3 H2S(g) = Cr2S3(s) + 6 HCl(aq)
P4(s) + H2(g) = P2H2(g) =>
P4(s) + 2 H2(g) = 2 P2H2(g)
K3PO4 + H3PO4 = K3P3O9 + H2O =>
K3PO4 + 2 H3PO4 = K3P3O9 + 3 H2O
HMnO4{-} + H2S + H{+} = Mn{2+} + S + H2O =>
HMnO4{-} + 2 H2S + 3 H{+} = Mn{2+} + 2 S + 4 H2O
SrBr2 + O2 = SrO + Br =>
2 SrBr2 + O2 = 2 SrO + 4 Br
Al2 + Na2CO3 = Na2C + AlO3 =>
Al2 + 2 Na2CO3 = 2 Na2C + 2 AlO3
Ca(OH)2 + CuSO4 = CaSO4 + Cu(OH)2 =>
Ca(OH)2 + CuSO4 = CaSO4 + Cu(OH)2
LiClO3 = LiCl + O2 =>
2 LiClO3 = 2 LiCl + 3 O2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
H2Po + K = K2Po + H2 =>
H2Po + 2 K = K2Po + H2
FeCl2 + H2S = Fe2S2 + HCl =>
2 FeCl2 + 2 H2S = Fe2S2 + 4 HCl
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
C2H5OH + [Ag(NH3)2]OH = Ag + NH3 + H2O + C3H5OOH =>
3 C2H5OH + 8[Ag(NH3)2]OH = 8 Ag + 16 NH3 + 7 H2O + 2 C3H5OOH
KOHHPO4 = H2OKPO4 =>
KOHHPO4 = H2OKPO4
MnO4{-} + ClO2{-} + H{+} = ClO4{-} + MnO2 + H2O =>
4 MnO4{-} + 3 ClO2{-} + 4 H{+} = 3 ClO4{-} + 4 MnO2 + 2 H2O
Al2O3 + NaHCO3 = NaAlO2 + H2O + CO2 =>
Al2O3 + 2 NaHCO3 = 2 NaAlO2 + H2O + 2 CO2
Mn + F2 = MnF7 =>
2 Mn + 7 F2 = 2 MnF7
CH3CHO(ac) + O2(g) = CO2(g) + H2O(l) =>
2 CH3CHO(ac) + 5 O2(g) = 4 CO2(g) + 4 H2O(l)
O3 + NO = NO2 + O2 =>
O3 + NO = NO2 + O2
CuSO4 + NaOH + Zn = Cu2O + Na2SO4 + ZnSO4 + H2O =>
2 CuSO4 + 2 NaOH + Zn = Cu2O + Na2SO4 + ZnSO4 + H2O
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
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