| Équations équilibrées la veille | Équations équilibrées le lendemain |
K3AsO4 + K2S + 2 HCl = K3AsO3 + S + H2O + 2 KCl
Ca(NO3)2*4H2O + Sr(NO3)2 + Co(NO3)2*6H2O + citricacid = Ca297Sr3Co400O900 + H2O + NO2 + CO2 =>
2673 Ca(NO3)2*4H2O + 27 Sr(NO3)2 + 3600 Co(NO3)2*6H2O + 500 C6H8O7 = 9 Ca297Sr3Co400O900 + 34292 H2O + 12600 NO2 + 3000 CO2
Hg2 + HNO3 = Hg(NO3)2 + NO2 + H2O =>
Hg2 + 8 HNO3 = 2 Hg(NO3)2 + 4 NO2 + 4 H2O
Fe(NO3)3 + Na2C2O4 = Fe2(C2O4)3 + Na3(NO3)3 =>
2 Fe(NO3)3 + 3 Na2C2O4 = Fe2(C2O4)3 + 2 Na3(NO3)3
NaOH + Br2 + FeCl3 = Na2FeO4 + NaCl + NaBr + H2O =>
16 NaOH + 3 Br2 + 2 FeCl3 = 2 Na2FeO4 + 6 NaCl + 6 NaBr + 8 H2O
NaOH + Ni2Cl2 = NaCl + Ni(OH) =>
2 NaOH + Ni2Cl2 = 2 NaCl + 2 Ni(OH)
Cr(OH)3 + KOH + KClO3 = K2CrO4 + H2O + CrCl =>
11 Cr(OH)3 + 13 KOH + 3 KClO3 = 8 K2CrO4 + 23 H2O + 3 CrCl
H2O3 = HO + O =>
H2O3 = 2 HO + O
BaCl2(aq) + NaOH(aq) = Ba(OH)2(s) + NaCl(aq) =>
BaCl2(aq) + 2 NaOH(aq) = Ba(OH)2(s) + 2 NaCl(aq)
KClO4 + Bi2O3 + KOH = KCl + KBiO3 + H2O =>
KClO4 + 2 Bi2O3 + 4 KOH = KCl + 4 KBiO3 + 2 H2O
Fe(NH4)2(SO4)2 + BaCl2 = Fe(NH4)2Cl2 + Ba(SO4)2 =>
Fe(NH4)2(SO4)2 + BaCl2 = Fe(NH4)2Cl2 + Ba(SO4)2
POH + H3PO4 = PPO4 + H2O =>
POH + 3 H3PO4 = 2 PPO4 + 5 H2O
V2O5 + LiOH = Li3VO4 + H2O =>
V2O5 + 6 LiOH = 2 Li3VO4 + 3 H2O
Co + Sn(NO3)4 = Co(NO3)3 + Sn =>
4 Co + 3 Sn(NO3)4 = 4 Co(NO3)3 + 3 Sn
Cr2(SO4)3 + KI + IKO3 + H2O = Cr(HO)3H2O + K2SO4 + I2 =>
Cr2(SO4)3 + 5 KI + IKO3 + 5 H2O = 2 Cr(HO)3H2O + 3 K2SO4 + 3 I2
AgNO3HF = AgFHNO3 =>
AgNO3HF = AgFHNO3
CO2 + FeCl3 = Fe2O3 + CCl4 =>
3 CO2 + 4 FeCl3 = 2 Fe2O3 + 3 CCl4
FeS + CuSO4 = FeSO4 + CuS =>
FeS + CuSO4 = FeSO4 + CuS
Nh4Cl + Hg2(NO3)2 = Nh4NO3 + Hg2Cl2 =>
2 Nh4Cl + Hg2(NO3)2 = 2 Nh4NO3 + Hg2Cl2
P2O5 + BaO = Ba + P2O8 =>
P2O5 + 3 BaO = 3 Ba + P2O8
K2Cr2O7 + Pb(ClO3)2 = PbCr2O7 + KClO3 =>
K2Cr2O7 + Pb(ClO3)2 = PbCr2O7 + 2 KClO3
Se + H2SO4 = SeO2 + SO2 + H2O =>
Se + 2 H2SO4 = SeO2 + 2 SO2 + 2 H2O
Ca + CBr2 = CaCBr2 =>
Ca + CBr2 = CaCBr2
HICu = Cu(I)H =>
HICu = Cu(I)H
FeTiO + Cl2 + C = TiCl4 + FeCl3 + CO =>
2 FeTiO + 7 Cl2 + 2 C = 2 TiCl4 + 2 FeCl3 + 2 CO
Pt + HNO3 = PtH + NO3 =>
Pt + HNO3 = PtH + NO3
ZnCl2 + HCl = HCl2 + ZnCl =>
ZnCl2 + HCl = HCl2 + ZnCl
ZnS + HBr = ZnBr2H2S =>
ZnS + 2 HBr = ZnBr2H2S
CuCl = Cu + CuCl2 =>
2 CuCl = Cu + CuCl2
H2S + Na3[Cr(OH)6] = H2O + Cr(OH)3 + Na2S =>
3 H2S + 2 Na3[Cr(OH)6] = 6 H2O + 2 Cr(OH)3 + 3 Na2S
HCl(aq) + Na2CO3(s) = NaCl(aq) + CO2(q) + H2O =>
2 HCl(aq) + Na2CO3(s) = 2 NaCl(aq) + CO2(q) + H2O
AgNO3 + H2SO4 = Ag2SO4 + HNO3 =>
2 AgNO3 + H2SO4 = Ag2SO4 + 2 HNO3
C6H2 + O2 = CO2 + H2O =>
2 C6H2 + 13 O2 = 12 CO2 + 2 H2O
SCN{-} + O2 + H2O = HCO3{-} + SO4{2-} + NO3{-} + H{+} =>
SCN{-} + 4 O2 + 2 H2O = HCO3{-} + SO4{2-} + NO3{-} + 3 H{+}
NH2O2 = NOH2O =>
NH2O2 = NOH2O
Al(SO3)3 + NaOH = NaSO3 + Al(OH)3 =>
Al(SO3)3 + 3 NaOH = 3 NaSO3 + Al(OH)3
KBr + KBrO3 + H2SO4 = K2SO4 + Br2 + H2O =>
5 KBr + KBrO3 + 3 H2SO4 = 3 K2SO4 + 3 Br2 + 3 H2O
ZnCl2 + NaHCO3 = NaCl + Zn(HCO3)2 =>
ZnCl2 + 2 NaHCO3 = 2 NaCl + Zn(HCO3)2
Co + KNO3 = Co(NO3)3 + K =>
Co + 3 KNO3 = Co(NO3)3 + 3 K
Hg + H2O = HgH2O =>
Hg + H2O = HgH2O
NaOH + HPO4 = NaPO4 + H2O =>
NaOH + HPO4 = NaPO4 + H2O
H2S + AsO4 + H = As2S5 + H2O =>
5 H2S + 2 AsO4 + 6 H = As2S5 + 8 H2O
C7H8O + NaOH = C7H7O + H2O + Na =>
C7H8O + NaOH = C7H7O + H2O + Na
C6H8O6 + O2 = H2O + C6H6O6 =>
2 C6H8O6 + O2 = 2 H2O + 2 C6H6O6
Al(OH)3 + K2S = KOH + Al2S3 =>
2 Al(OH)3 + 3 K2S = 6 KOH + Al2S3
H3PO4 = P2O5 + H2O =>
2 H3PO4 = P2O5 + 3 H2O
Sr(OH)2*8H2O + HCl = SrCl2*8H2O + H2O =>
Sr(OH)2*8H2O + 2 HCl = SrCl2*8H2O + 2 H2O
CuSO4 + NH4OH = H2O + Cu(NH3)2SO4 =>
CuSO4 + 2 NH4OH = 2 H2O + Cu(NH3)2SO4
C3H5(ONO3)3 = CO2 + H2O + N2 + O2 =>
4 C3H5(ONO3)3 = 12 CO2 + 10 H2O + 6 N2 + 7 O2
AlCl3Pb(NO3)4 = Al(NO3)4Pb(Cl)3 =>
AlCl3Pb(NO3)4 = Al(NO3)4Pb(Cl)3
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