| Équations équilibrées la veille | Équations équilibrées le lendemain |
K4Fe(CH)6 + 2 CuSO4 = 2 K2SO4 + Cu2Fe(CH)6
Mg + Co(NO3)2 = Mg(NO3)2 + Co =>
Mg + Co(NO3)2 = Mg(NO3)2 + Co
CoCl2 + Na2CO3 = CoCO3 + NaCl =>
CoCl2 + Na2CO3 = CoCO3 + 2 NaCl
Na + O4 = NaO =>
4 Na + O4 = 4 NaO
C3H7COOC2H5 + O2 = CO2 + H2O =>
C3H7COOC2H5 + 8 O2 = 6 CO2 + 6 H2O
H + CO2 = C6H12O6 + O2 =>
12 H + 6 CO2 = C6H12O6 + 3 O2
C4H6 + H2O = C4H10O2 =>
C4H6 + 2 H2O = C4H10O2
CH3OH + KMnO4 = HCOOH + KOH + MnO2 + H2O =>
3 CH3OH + 4 KMnO4 = 3 HCOOH + 4 KOH + 4 MnO2 + H2O
HC2H3O2 + Li2CO3 = LiC2H3O2 + H2CO3 =>
2 HC2H3O2 + Li2CO3 = 2 LiC2H3O2 + H2CO3
(NH4)Cl + AgNO3 = NH4NO3 + AgCl =>
(NH4)Cl + AgNO3 = NH4NO3 + AgCl
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
HB + AOH = AB + H2O =>
HB + AOH = AB + H2O
C4H10O + C6H8O7 = C18H32O7 + H2O =>
3 C4H10O + C6H8O7 = C18H32O7 + 3 H2O
C + (O)2 = CO =>
2 C + (O)2 = 2 CO
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Mn3(PO4)2 + HCl = MnCl2 + H3PO4 =>
Mn3(PO4)2 + 6 HCl = 3 MnCl2 + 2 H3PO4
Na2SO3 + Ba(NO3)2 = BaSO3 + NaNO3 =>
Na2SO3 + Ba(NO3)2 = BaSO3 + 2 NaNO3
Na2CO3(aq) + Fe(NO3)3 = NaNO3 + Fe2(CO3)3 =>
3 Na2CO3(aq) + 2 Fe(NO3)3 = 6 NaNO3 + Fe2(CO3)3
K + CuI = KI + Cu =>
K + CuI = KI + Cu
K2Cr2O7 + KBr + HNO3 = KNO3 + Cr(NO3)3 + Br2 + H2O =>
K2Cr2O7 + 6 KBr + 14 HNO3 = 8 KNO3 + 2 Cr(NO3)3 + 3 Br2 + 7 H2O
HCl + Fe2O3 = FeCl3 + H2O =>
6 HCl + Fe2O3 = 2 FeCl3 + 3 H2O
Br2 + NaOH = NaBrO3 + NaBr + H2 =>
3 Br2 + 6 NaOH = 2 NaBrO3 + 4 NaBr + 3 H2
SO2 + Ni2O3 = Ni2S3 + O2 =>
6 SO2 + 2 Ni2O3 = 2 Ni2S3 + 9 O2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
ZrI = Zr + I =>
ZrI = Zr + I
Fe + NCS = FeNCS =>
Fe + NCS = FeNCS
CaSO2H2O + O2 = CaSO4 + H2O =>
CaSO2H2O + O2 = CaSO4 + H2O
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
CaCO3 + Na2C2O4 = CaC2O4 + Na2CO3 =>
CaCO3 + Na2C2O4 = CaC2O4 + Na2CO3
Pb + H2(SO4) = Pb(SO4)2 + H2 =>
Pb + 2 H2(SO4) = Pb(SO4)2 + 2 H2
HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + H2O(i) =>
2 HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + 2 H2O(i)
Fe2(CO3)3 + H2SO4 = Fe2(SO4)3 + H2O + CO2 =>
Fe2(CO3)3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O + 3 CO2
NH4ClO3 + NaSO4 = NH4SO4 + NaClO3 =>
NH4ClO3 + NaSO4 = NH4SO4 + NaClO3
TiO + H2O = Ti + OH =>
TiO + H2O = Ti + 2 OH
B2O3(s) + H2O = H3BO3(aq) =>
B2O3(s) + 3 H2O = 2 H3BO3(aq)
FeSO4 + AgNO3 + H2SO4 = Ag2SO4 + Fe2(SO4)3 + NO2 + H2O =>
2 FeSO4 + 2 AgNO3 + 2 H2SO4 = Ag2SO4 + Fe2(SO4)3 + 2 NO2 + 2 H2O
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
H2S + HIO = S + I2 + H2O =>
H2S + 2 HIO = S + I2 + 2 H2O
K2S + HNO3 = K2NO3 + HS =>
K2S + HNO3 = K2NO3 + HS
BaCO3 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + CO2 + H2O
C13H28 + NO3{-} + PO4{3-} + O2 + H{+} = C60H87O23N12P + H2O =>
120 C13H28 + 312 NO3{-} + 26 PO4{3-} + 151 O2 + 390 H{+} = 26 C60H87O23N12P + 744 H2O
NaBr(s) + H2SO4(l) = NaHSO4(s) + Br2(g) + SO2(g) + H2O(l) =>
2 NaBr(s) + 3 H2SO4(l) = 2 NaHSO4(s) + Br2(g) + SO2(g) + 2 H2O(l)
Pb + LiOH = Pb(OH)2 + Li =>
Pb + 2 LiOH = Pb(OH)2 + 2 Li
H2S + Br2H2O = H2SO4 + HBr =>
H2S + 4 Br2H2O = H2SO4 + 8 HBr
Ca + Na2S = CaS + Na =>
Ca + Na2S = CaS + 2 Na
[Ni(NH3)6]2[Fe(CN)6] + H2O = Ni2[Fe(CN)6] + NH4OH =>
[Ni(NH3)6]2[Fe(CN)6] + 12 H2O = Ni2[Fe(CN)6] + 12 NH4OH
CaSO2H2O + O2 = CaSO4 + H2O =>
CaSO2H2O + O2 = CaSO4 + H2O
C2S + H = CSH + CH =>
C2S + 2 H = CSH + CH
FeSCN + Na3PO4 = FePO4 + Na3SCN =>
FeSCN + Na3PO4 = FePO4 + Na3SCN
HNO2 + CrO7{2-} + H{+} = Cr{3+} + NO3{-} + H2O =>
9 HNO2 + 2 CrO7{2-} + H{+} = 2 Cr{3+} + 9 NO3{-} + 5 H2O
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