| Équations équilibrées la veille |
4 C4H7N + 27 O2 = 4 NO2 + 16 CO2 + 14 H2O
Co(NO3)2 + NaNO3 + C2H5NO2 = NaCoO2 + N2 + CO2 + H2O =>
18 Co(NO3)2 + 18 NaNO3 + 28 C2H5NO2 = 18 NaCoO2 + 41 N2 + 56 CO2 + 70 H2O
Zn(HCO3)2 = ZnO + H2O + CO2 =>
Zn(HCO3)2 = ZnO + H2O + 2 CO2
Cu(OH)2 + H2SO4 + NaOH = CuSO3 + H2O + NaSO4 =>
Cu(OH)2 + 3 H2SO4 + 2 NaOH = CuSO3 + 5 H2O + 2 NaSO4
AlCl3 + K2Cr2 = AlCr2 + Cl3K2 =>
AlCl3 + K2Cr2 = AlCr2 + Cl3K2
MnO + H2C2O4 = MnC2O4 + H2O =>
MnO + H2C2O4 = MnC2O4 + H2O
Fe(CO)5 + NaOH = Na2Fe(CO)4 + Na2CO3 + H2O =>
Fe(CO)5 + 4 NaOH = Na2Fe(CO)4 + Na2CO3 + 2 H2O
H2CrO4 + Be(OH)2 = BeCrO4 + H2O =>
H2CrO4 + Be(OH)2 = BeCrO4 + 2 H2O
Cl2(aq) + I{-}(aq) = Cl{-}(aq) + I2(l) =>
Cl2(aq) + 2 I{-}(aq) = 2 Cl{-}(aq) + I2(l)
Si + C2 = SiC =>
2 Si + C2 = 2 SiC
CaSiO3 + NH4Cl = CaCl2 + H2O + NH3 + SiO2 =>
CaSiO3 + 2 NH4Cl = CaCl2 + H2O + 2 NH3 + SiO2
Pb(OH)4 + H2CO3 = Pb(CO3)2 + H2O =>
Pb(OH)4 + 2 H2CO3 = Pb(CO3)2 + 4 H2O
Zn + HNO3 + H2O = [Zn(H2O)4](NO3)2 + H2 =>
Zn + 2 HNO3 + 4 H2O = [Zn(H2O)4](NO3)2 + H2
Al2(SO4)3(aq) + NaOH = Na2SO4(aq) + Al(OH)3(s) =>
Al2(SO4)3(aq) + 6 NaOH = 3 Na2SO4(aq) + 2 Al(OH)3(s)
C4H6O5(aq) + NaOH(aq) = Na2C4H4O5(aq) + H2O(l) =>
C4H6O5(aq) + 2 NaOH(aq) = Na2C4H4O5(aq) + 2 H2O(l)
As + OH{-} = AsO3{3-} + H2 =>
2 As + 6 OH{-} = 2 AsO3{3-} + 3 H2
KAl3Si3O10(OH)2 + H2O = Al2Si2O5(OH)4 + K{+} + OH{-} =>
2 KAl3Si3O10(OH)2 + 5 H2O = 3 Al2Si2O5(OH)4 + 2 K{+} + 2 OH{-}
PH2O2 = PO2H2 =>
PH2O2 = PO2H2
NH3 + I3 = N2I6 + H2 =>
2 NH3 + 2 I3 = N2I6 + 3 H2
MnSO3 + PbO2 + HNO3 = HMnO4 + PbSO4 + Pb(NO3)2 + H2O =>
2 MnSO3 + 7 PbO2 + 10 HNO3 = 2 HMnO4 + 2 PbSO4 + 5 Pb(NO3)2 + 4 H2O
C3H5 + Cl = C + HCl =>
C3H5 + 5 Cl = 3 C + 5 HCl
C7H8O + C3H7I + NaOH = C10H14O + NaI + H2O =>
C7H8O + C3H7I + NaOH = C10H14O + NaI + H2O
H + SO42{-} + Zn = H2O + S{2-} + Zn{2+} =>
168 H + 2 SO42{-} + Zn = 84 H2O + 2 S{2-} + Zn{2+}
F3C2H3O + O2 = F2 + CO + H2O =>
4 F3C2H3O + 5 O2 = 6 F2 + 8 CO + 6 H2O
FeCl3 + K2O = Fe2O3 + KCl =>
2 FeCl3 + 3 K2O = Fe2O3 + 6 KCl
NH4NO3 + KOH = KNO3 + H2O + NH =>
3 NH4NO3 + 2 KOH = 2 KNO3 + 5 H2O + 4 NH
(NH4)2SO4 + Sr(OH)2 = Sr(SO4) + NH4OH =>
(NH4)2SO4 + Sr(OH)2 = Sr(SO4) + 2 NH4OH
FeCl3 + H2SO4 + KBr = FeSO4 + Br2 + HCl + K2SO4 =>
2 FeCl3 + 3 H2SO4 + 2 KBr = 2 FeSO4 + Br2 + 6 HCl + K2SO4
C2H4OHCOOH = C2H3COOH + H2O =>
C2H4OHCOOH = C2H3COOH + H2O
PbNO4 + KI = PbI + KNO4 =>
PbNO4 + KI = PbI + KNO4
H2[CuCl4] + NH4Br = H2[CuBr4] + NH4Cl =>
H2[CuCl4] + 4 NH4Br = H2[CuBr4] + 4 NH4Cl
Sn(s) + HNO3(ac) = SnO2(s) + NO2(g) + H2O(g) =>
Sn(s) + 4 HNO3(ac) = SnO2(s) + 4 NO2(g) + 2 H2O(g)
K2ZnO2 + HCl = ZnCl2 + KOH =>
K2ZnO2 + 2 HCl = ZnCl2 + 2 KOH
(C3H3) + O2 = CO2 + H2O =>
4(C3H3) + 15 O2 = 12 CO2 + 6 H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Ni(OH)2 + Cl2 + NaOH = Ni(OH)3 + NaCl =>
2 Ni(OH)2 + Cl2 + 2 NaOH = 2 Ni(OH)3 + 2 NaCl
AgF2 + Zn = ZnF2 + Ag =>
AgF2 + Zn = ZnF2 + Ag
CaSO3 + HF = H2SO3 + CaF2 =>
CaSO3 + 2 HF = H2SO3 + CaF2
HNO3 + Li2CO3 = LiHCO3 + LiNO3 =>
HNO3 + Li2CO3 = LiHCO3 + LiNO3
Br2 + KI(aq) = I2(aq) + KBr(aq) =>
Br2 + 2 KI(aq) = I2(aq) + 2 KBr(aq)
Mn4 + O2 = MnO =>
Mn4 + 2 O2 = 4 MnO
HClO3 + HCl = H2O + Cl2 =>
HClO3 + 5 HCl = 3 H2O + 3 Cl2
HBr + Al2O3 = AlBr3 + H2O =>
6 HBr + Al2O3 = 2 AlBr3 + 3 H2O
Cl2 + Na2S = NaCl + S8 =>
8 Cl2 + 8 Na2S = 16 NaCl + S8
Ni(OH)2 = Ni + OH =>
Ni(OH)2 = Ni + 2 OH
NaOH + KMnO4 + KNO2 = Na2MnO4 + KNO3 + K2MnO4 + H2O =>
2 NaOH + 2 KMnO4 + KNO2 = Na2MnO4 + KNO3 + K2MnO4 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe(OH)3 + HClO2 = Fe(ClO2)3 + H2O =>
Fe(OH)3 + 3 HClO2 = Fe(ClO2)3 + 3 H2O
HCl + Na2Co3 = Na2Cl + Co2 + H2 =>
2 HCl + 2 Na2Co3 = 2 Na2Cl + 3 Co2 + H2
AgNO2 + BaSO4 = Ag2SO4 + (NO2)2Ba =>
2 AgNO2 + BaSO4 = Ag2SO4 + (NO2)2Ba
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