| Équations équilibrées la veille |
Na2O2 = 2 Na + O2
Pb + O + N = Pb(NO3)2 =>
Pb + 6 O + 2 N = Pb(NO3)2
He + Cl2 = HeCl =>
2 He + Cl2 = 2 HeCl
H3C6H5O7 + NaHCO3 = CO3 + H2O + Na3C6H5O7 =>
4 H3C6H5O7 + 15 NaHCO3 = 9 CO3 + 11 H2O + 5 Na3C6H5O7
BaCl2 + NaHSO4 = BaSO4 + NaCl + H2SO4 =>
BaCl2 + 2 NaHSO4 = BaSO4 + 2 NaCl + H2SO4
Cr2O3 + Cl2 = CrCl4 + O2 =>
2 Cr2O3 + 8 Cl2 = 4 CrCl4 + 3 O2
PbS + CH4SO3 = Pb + CH4 + SO2 =>
PbS + 2 CH4SO3 = Pb + 2 CH4 + 3 SO2
(C3H8)209 + O2 = CO2 + H2O =>
(C3H8)209 + 1045 O2 = 627 CO2 + 836 H2O
C6H6 + H2O = CO6 + CH6 =>
3 C6H6 + 30 H2O = 5 CO6 + 13 CH6
NH42S(aq) + FeCl3(aq) = NH42Cl3(aq) + FeS(s) =>
NH42S(aq) + FeCl3(aq) = NH42Cl3(aq) + FeS(s)
CaOCl + ClH = ClO2 + CaCl + H2O =>
5 CaOCl + 2 ClH = 2 ClO2 + 5 CaCl + H2O
Na2[Sn(OH)6] + HCl = NaCl + SnCl4 + H2O =>
Na2[Sn(OH)6] + 6 HCl = 2 NaCl + SnCl4 + 6 H2O
C7H6O3 + CH4O = H2O + C7H5O2 =>
13 C7H6O3 + 7 CH4O = 18 H2O + 14 C7H5O2
CaS(aq) + Na2SO4(aq) = Na2S(aq) + CaSO4(s) =>
CaS(aq) + Na2SO4(aq) = Na2S(aq) + CaSO4(s)
K3(PO4) + Na2(CO3) = Na2(PO4) + K3(CO3) =>
K3(PO4) + Na2(CO3) = Na2(PO4) + K3(CO3)
Cu3(PO4)2 = P2O5 + CuO =>
Cu3(PO4)2 = P2O5 + 3 CuO
KClO3 + S + H2O = Cl2K2SO4 + H2SO4 =>
6 KClO3 + 5 S + 2 H2O = 3 Cl2K2SO4 + 2 H2SO4
BaO + AlCl3 = BaCl2 + Al2O3 =>
3 BaO + 2 AlCl3 = 3 BaCl2 + Al2O3
HNO3 + S = NO2 + SO4 + H2O =>
8 HNO3 + S = 8 NO2 + SO4 + 4 H2O
Na3AsO3 + NaIO3 = NaI + Na3AsO4 =>
3 Na3AsO3 + NaIO3 = NaI + 3 Na3AsO4
Sc + Cl2 = Sc3Cl3 =>
6 Sc + 3 Cl2 = 2 Sc3Cl3
Cr(CH3COO)3 + NH4Cl = CrCl3 + NH4 + CH3COO =>
Cr(CH3COO)3 + 3 NH4Cl = CrCl3 + 3 NH4 + 3 CH3COO
Fe(s) + CuSO4 = FeSO4 + Cu(s) =>
Fe(s) + CuSO4 = FeSO4 + Cu(s)
C12H22 + O2 = CO2 + H2O =>
2 C12H22 + 35 O2 = 24 CO2 + 22 H2O
Al(OH)3 + CH3COOH = Al(CH3COO)3 + H2O =>
Al(OH)3 + 3 CH3COOH = Al(CH3COO)3 + 3 H2O
CH3COOH + PbCO3 = (CH3COO)Pb + CO2 + H2O =>
9 CH3COOH + 8 PbCO3 = 8(CH3COO)Pb + 10 CO2 + 6 H2O
CoF3 + H2O = HF + CoF2 + O2 =>
4 CoF3 + 2 H2O = 4 HF + 4 CoF2 + O2
C2H4 + N2O = CO2 + H2O + N2 =>
C2H4 + 6 N2O = 2 CO2 + 2 H2O + 6 N2
HCH3COO + Cu(OH)2 = Cu(CH3COO)2 + H2O =>
2 HCH3COO + Cu(OH)2 = Cu(CH3COO)2 + 2 H2O
Cr + H3(SiO4) = Cr(SiO4) + H =>
Cr + H3(SiO4) = Cr(SiO4) + 3 H
C6H8O6 + NaHCO3 = C6H7O6Na + CO2 + H2O =>
C6H8O6 + NaHCO3 = C6H7O6Na + CO2 + H2O
Cr2O7{-2} + H{+} + Cl{-} = Cr3{+} + Cl2(g) + H2O(l) =>
3 Cr2O7{-2} + 42 H{+} + 34 Cl{-} = 2 Cr3{+} + 17 Cl2(g) + 21 H2O(l)
hydrochloricacid + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
Silver + chlorine = silverchloride =>
2 Ag + Cl2 = 2 AgCl
KMnO4 + H2SO4 + Fe(NH4)2(SO4)2*6H2O = K2SO4 + Fe2(SO4)3 + (NH4)2SO4 + MnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 Fe(NH4)2(SO4)2*6H2O = K2SO4 + 5 Fe2(SO4)3 + 10(NH4)2SO4 + 2 MnSO4 + 68 H2O
FeCl3 + NH4OH = Fe(OH)3 + Cl3(NH4)3 =>
FeCl3 + 3 NH4OH = Fe(OH)3 + Cl3(NH4)3
NH3 + Na2S = Na(NH3)4 + S =>
8 NH3 + Na2S = 2 Na(NH3)4 + S
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
Ni(OH)2 + HBr = NiBr2 + H2O =>
Ni(OH)2 + 2 HBr = NiBr2 + 2 H2O
Sn + S2 = SnS2 =>
Sn + S2 = SnS2
MnO2 + Ag2CrO4 + H2CrO4 = MnCrO4 + AgMnO4 + H2O =>
5 MnO2 + Ag2CrO4 + 2 H2CrO4 = 3 MnCrO4 + 2 AgMnO4 + 2 H2O
Na2SO4(s) + S = Na2S + SO2 =>
Na2SO4(s) + 2 S = Na2S + 2 SO2
I2 + H2O + H2S = H2SO4 + HI =>
4 I2 + 4 H2O + H2S = H2SO4 + 8 HI
C4H6O4Ba + K2SO4 = BaSO4 + K2C4H6O4 =>
C4H6O4Ba + K2SO4 = BaSO4 + K2C4H6O4
NH3(g) + HCl(g) = NH4Cl(s) =>
NH3(g) + HCl(g) = NH4Cl(s)
Ca(HCO3)2 + FeSO4 = Fe(OH)2 + CaSO4 + CO2 =>
Ca(HCO3)2 + FeSO4 = Fe(OH)2 + CaSO4 + 2 CO2
ZnO + Cu = Zn + CuO =>
ZnO + Cu = Zn + CuO
HN2F3 + O2 = H2O + F2 + N2 =>
4 HN2F3 + O2 = 2 H2O + 6 F2 + 4 N2
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
Li3PO4 + ZnI2 = LiI + Zn3(PO4)2 =>
2 Li3PO4 + 3 ZnI2 = 6 LiI + Zn3(PO4)2
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