| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe + 6 H2O = 2 Fe(OH)3 + 3 H2
Al(s) + S2(g) = Al2S3(s) =>
4 Al(s) + 3 S2(g) = 2 Al2S3(s)
S3 + O2 = SO2 =>
S3 + 3 O2 = 3 SO2
Na2SO4 = Na2O2 + SO2 =>
Na2SO4 = Na2O2 + SO2
H3PO4 + Cl2 = P2O3 + HClO3 + H2O =>
10 H3PO4 + 2 Cl2 = 5 P2O3 + 4 HClO3 + 13 H2O
NaClO2 + C6H8O7 = C6H5Na3O7 + HClO2 =>
3 NaClO2 + C6H8O7 = C6H5Na3O7 + 3 HClO2
C2H4(NO)2 + O2 = CO2 + NO2 + H2O =>
C2H4(NO)2 + 4 O2 = 2 CO2 + 2 NO2 + 2 H2O
Fe2S + H2SO4 = Fe2SO43 + SO2 + H2O =>
Fe2S + 43 H2SO4 = Fe2SO43 + 43 SO2 + 43 H2O
Al(NO3)3 + LiOH = AlOH + Li(NO3)3 =>
Al(NO3)3 + LiOH = AlOH + Li(NO3)3
Ag + K(NO) = Ag(NO) + K =>
Ag + K(NO) = Ag(NO) + K
AgCl + H2O = AgOH + HCl =>
AgCl + H2O = AgOH + HCl
CO(NO3)2 + AgNO3 = CONO3 + Ag(NO3)2 =>
CO(NO3)2 + AgNO3 = CONO3 + Ag(NO3)2
KClO3 + H2SO4 = K2SO4 + O2 + H2O + ClO2 =>
4 KClO3 + 2 H2SO4 = 2 K2SO4 + O2 + 2 H2O + 4 ClO2
Ca + Cu(NO3)3 = Ca(NO3)3 + Cu =>
Ca + Cu(NO3)3 = Ca(NO3)3 + Cu
NaHCO3 + CH3COOH = CH3COONa + H2O4CO2 =>
10 NaHCO3 + 7 CH3COOH = 10 CH3COONa + 4 H2O4CO2
C1H32O2 + O2 = CO2 + H2O =>
C1H32O2 + 8 O2 = CO2 + 16 H2O
BaO2H2 + CO2 = BaCO3 + H2O =>
BaO2H2 + CO2 = BaCO3 + H2O
Al2Si2O3(OH) + Na + Ca + HCO3 + SiO2 = Na71Ca29Al1Si2O8 + CO2 + H2O =>
Al2Si2O3(OH) + 142 Na + 58 Ca + 17 HCO3 + 2 SiO2 = 2 Na71Ca29Al1Si2O8 + 17 CO2 + 9 H2O
Zn + Cu(OH)2 + OH{-} = Zn(OH)4{2-} + Cu =>
Zn + Cu(OH)2 + 2 OH{-} = Zn(OH)4{2-} + Cu
Zn(NO3)2 + H2O = Zn(NO3)2*5H2O =>
Zn(NO3)2 + 5 H2O = Zn(NO3)2*5H2O
BaCl2 + NaPO4 = Ba(PO4)2 + NaCl =>
BaCl2 + 2 NaPO4 = Ba(PO4)2 + 2 NaCl
NiCl2(s) + O2(g) = NiO(s) + Cl2O5(g) =>
NiCl2(s) + 3 O2(g) = NiO(s) + Cl2O5(g)
C54H99O6 + O2 = C02 + H2O =>
4 C54H99O6 + 87 O2 = 108 C02 + 198 H2O
KAl(OH)4 + KOH + H2C2O4 = K3Al(C2O4)3 + H2O =>
KAl(OH)4 + 2 KOH + 3 H2C2O4 = K3Al(C2O4)3 + 6 H2O
As + NaOH + O2 = Na2AsO4 + H2O =>
2 As + 4 NaOH + 3 O2 = 2 Na2AsO4 + 2 H2O
BaS + KMnO4 = KS + Ba(MnO4) =>
BaS + KMnO4 = KS + Ba(MnO4)
KAl3Si3O12H2 + Fe3Al2Si3O12 = Al2SiO5 + SiO2 + KFe3AlSi3O12H2 =>
KAl3Si3O12H2 + Fe3Al2Si3O12 = 2 Al2SiO5 + SiO2 + KFe3AlSi3O12H2
MnCl2 + KClO3 + KOH = MnO(OH)2 + KCl =>
3 MnCl2 + KClO3 + 6 KOH = 3 MnO(OH)2 + 7 KCl
Zr2W2C3 = WC + ZrC + Zr =>
Zr2W2C3 = 2 WC + ZrC + Zr
CuCl2(aq) + K2SO4(aq) = KCl + CuSO4 =>
CuCl2(aq) + K2SO4(aq) = 2 KCl + CuSO4
KH + (CH3OH) = CH3OK + H2 =>
KH + (CH3OH) = CH3OK + H2
V2O3 + CoC2H3O2 = V2(C2H3O2)3 + CoO =>
V2O3 + 3 CoC2H3O2 = V2(C2H3O2)3 + 3 CoO
CH4 + HOCl = CH3OH + HCl =>
CH4 + HOCl = CH3OH + HCl
Fe2S3 + HNO3 = Fe2(SO4)3 + NO2 + H2O =>
Fe2S3 + 24 HNO3 = Fe2(SO4)3 + 24 NO2 + 12 H2O
SnCl2 + Br2 + NaOH = NaBr + Na2Sn(OH)6 + NaCl =>
SnCl2 + Br2 + 6 NaOH = 2 NaBr + Na2Sn(OH)6 + 2 NaCl
Ga(OH)3 + H3PO4 = Ga(PO4) + H2O =>
Ga(OH)3 + H3PO4 = Ga(PO4) + 3 H2O
H3PO3 + HgCl2 + H2O = Hg2Cl2 + H3PO4 + HCl =>
H3PO3 + 2 HgCl2 + H2O = Hg2Cl2 + H3PO4 + 2 HCl
NO{3}{-} + Cu = NO + Cu{2+} =>
2 NO{3}{-} + 3 Cu = 2 NO + 3 Cu{2+}
KIO3 + Ca(NO3)2*4H2O = H2O + Ca(IO3)2 + KNO3 =>
2 KIO3 + Ca(NO3)2*4H2O = 4 H2O + Ca(IO3)2 + 2 KNO3
C2H5OH + HClO = C6H5O + HCl + H2O =>
6 C2H5OH + 9 HClO = 2 C6H5O + 9 HCl + 13 H2O
C8H5O4{-} + Cr2O72{-} + H{+} = Cr3{+} + CO2 + H2O =>
427 C8H5O4{-} + 90 Cr2O72{-} + 577 H{+} = 60 Cr3{+} + 3416 CO2 + 1356 H2O
Na2O(s) + H2O(aq) = NaOH =>
Na2O(s) + H2O(aq) = 2 NaOH
HBr + Cl = HCl + Br =>
HBr + Cl = HCl + Br
KMnO4 + H2SO4 + H3AgO3 = H3AgO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 H3AgO3 = 5 H3AgO4 + 2 MnSO4 + K2SO4 + 3 H2O
Cu2 + Ag(NO3) = Cu(NO3) + Ag =>
Cu2 + 2 Ag(NO3) = 2 Cu(NO3) + 2 Ag
H2SO4 + Na = H2O + NaSO3 =>
H2SO4 + Na = H2O + NaSO3
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
O2(g) + H2O(i) = H2O2(i) =>
O2(g) + 2 H2O(i) = 2 H2O2(i)
C5H9NO4 + H2O = C4H7O2{-} + NH3 + CO2 + H{+} =>
10 C5H9NO4 + 6 H2O = 9 C4H7O2{-} + 10 NH3 + 14 CO2 + 9 H{+}
Sn + H{+} + NO3{-} = SnO2 + NO2 + H2O =>
Sn + 4 H{+} + 4 NO3{-} = SnO2 + 4 NO2 + 2 H2O
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