Équations chimiques équilibrées sur12/14/24

Na₂CO₃(aq) + FeCl₂ = FeCO₃(s) + NaCl(aq) =>
Na₂CO₃(aq) + FeCl₂ = FeCO₃(s) + 2 NaCl(aq)

SrCl₂ + K₂S = SrS + KCl =>
SrCl₂ + K₂S = SrS + 2 KCl

C₆H₄(OH)₂ + O₂ = C₆H₄O₂ + H₂O =>
2 C₆H₄(OH)₂ + O₂ = 2 C₆H₄O₂ + 2 H₂O

BaCl₂ + O = Ba(ClO₃)₂ =>
BaCl₂ + 6 O = Ba(ClO₃)₂

Fe(NH₄)₂(SO₄)₂ + H₂SO₄ + KMnO₄ = MnSO₄ + Fe(SO₄)₃ + K₂SO₄ + H₂O + (NH₄)₂SO₄ =>
5 Fe(NH₄)₂(SO₄)₂ + 16 H₂SO₄ + 4 KMnO₄ = 4 MnSO₄ + 5 Fe(SO₄)₃ + 2 K₂SO₄ + 16 H₂O + 5(NH₄)₂SO₄

Fe + A₂ = FeA₂ =>
Fe + A₂ = FeA₂

MnSO₄*7H₂O + NaHCO₃ = MnCO₃ + Na₂SO₄ + CO₂ + H₂O =>
MnSO₄*7H₂O + 2 NaHCO₃ = MnCO₃ + Na₂SO₄ + CO₂ + 8 H₂O

CuBr₂(aq) + NaOH(aq) = NaBr(aq) + Cu(OH)₂(aq) =>
CuBr₂(aq) + 2 NaOH(aq) = 2 NaBr(aq) + Cu(OH)₂(aq)

HC₇H₅O₃ + CH₂OH = C₈H₈O₃ + H₂O =>
6 HC₇H₅O₃ + 14 CH₂OH = 7 C₈H₈O₃ + 11 H₂O

NaCl + CuCl₄ = NaCl₂ + CuCl =>
3 NaCl + CuCl₄ = 3 NaCl₂ + CuCl

C₄H₈ONH₂ + H₂O = H₃O + C₄H₈ONH =>
C₄H₈ONH₂ + H₂O = H₃O + C₄H₈ONH

H₂ + Ce = HCe =>
H₂ + 2 Ce = 2 HCe

CCHHHHHH + OO = COO + HHO =>
2 CCHHHHHH + 7 OO = 4 COO + 6 HHO

Zn + Mg = Zn₂Mg =>
2 Zn + Mg = Zn₂Mg

C₃H₉ONa + CH₃Cl = C₃H₉OCH₃ + NaCl =>
C₃H₉ONa + CH₃Cl = C₃H₉OCH₃ + NaCl

LiCoO₂ + CO = LiCo + CO₂ =>
LiCoO₂ + 2 CO = LiCo + 2 CO₂