Équations chimiques équilibrées sur04/02/13

Bi(OH)₃ + Sn(OH)₃{-} + OH{-} = Sn(OH)₆{2-} + Bi =>
2 Bi(OH)₃ + 3 Sn(OH)₃{-} + 3 OH{-} = 3 Sn(OH)₆{2-} + 2 Bi

C₄H₈O + O₂ = CO₂ + H₂O =>
2 C₄H₈O + 11 O₂ = 8 CO₂ + 8 H₂O

Cu + AgNO₃ = Cu(NO₃)₂ + Ag =>
Cu + 2 AgNO₃ = Cu(NO₃)₂ + 2 Ag

C₁₄H₁₀O₂ + NaBH₄ = C₁₄H₁₂O₂ + NaB =>
2 C₁₄H₁₀O₂ + NaBH₄ = 2 C₁₄H₁₂O₂ + NaB

Zn + NO₃{-} + H{+} = Zn{2+} + N₂ + H₂O =>
5 Zn + 2 NO₃{-} + 12 H{+} = 5 Zn{2+} + N₂ + 6 H₂O

Al(OH)₃ + H₂SO₄ = Al₂(SO₄)₃ + H₂O =>
2 Al(OH)₃ + 3 H₂SO₄ = Al₂(SO₄)₃ + 6 H₂O

C₂H₅N + O₂ = CO + H₂O + NO =>
4 C₂H₅N + 11 O₂ = 8 CO + 10 H₂O + 4 NO

C₆H₁₂O + O₂ = CO₂ + H₂O =>
2 C₆H₁₂O + 17 O₂ = 12 CO₂ + 12 H₂O

Cu₂O + C = Cu + CO₂ =>
2 Cu₂O + C = 4 Cu + CO₂

Na + (C₂H₃O₂)₂ = NaO₂ + C₄H₆ =>
2 Na + (C₂H₃O₂)₂ = 2 NaO₂ + C₄H₆

FeS₂ + O₂ = Fe₂O₃ + SO₂ =>
4 FeS₂ + 11 O₂ = 2 Fe₂O₃ + 8 SO₂

Na + H₂O = NaOH + H₂ =>
2 Na + 2 H₂O = 2 NaOH + H₂

AgNO₃ + NaOH = AgOH + NaNO₃ =>
AgNO₃ + NaOH = AgOH + NaNO₃

KMnO₄ + NH₃ = KNO₃ + MnO₂ + KOH + H₂O =>
8 KMnO₄ + 3 NH₃ = 3 KNO₃ + 8 MnO₂ + 5 KOH + 2 H₂O

C₂₅H₅₂ + O₂ = CO₂ + H₂O =>
C₂₅H₅₂ + 38 O₂ = 25 CO₂ + 26 H₂O

Fe(OH)₂ + CrO₄{-2} + H₂O = Fe(OH)₃ + Cr(OH)₄{-} + OH{-} =>
3 Fe(OH)₂ + CrO₄{-2} + 4 H₂O = 3 Fe(OH)₃ + Cr(OH)₄{-} + OH{-}

C₁₄H₁₀O₂ + NaBH₄ = C₁₄H₁₄O₂ + NaB =>
C₁₄H₁₀O₂ + NaBH₄ = C₁₄H₁₄O₂ + NaB

C₂H₆ + O₂ = CO₂ + H₂₀ =>
10 C₂H₆ + 20 O₂ = 20 CO₂ + 3 H₂₀

C₁₄H₁₂O₂ + NaBH₄ = C₁₄H₁₄O₂ + NaB =>
2 C₁₄H₁₂O₂ + NaBH₄ = 2 C₁₄H₁₄O₂ + NaB

Al + FeO = Al₂O₃ + Fe =>
2 Al + 3 FeO = Al₂O₃ + 3 Fe

MgCO₃ = MgO + CO₂ =>
MgCO₃ = MgO + CO₂

PbO₂ + Mn{2+} + SO₄{2-} + H{+} = PbSO₄ + MnO₄{-} + H₂O =>
5 PbO₂ + 2 Mn{2+} + 5 SO₄{2-} + 4 H{+} = 5 PbSO₄ + 2 MnO₄{-} + 2 H₂O

HC₂H₃O₂ + K₂CO₃ = H₂O + CO₂ + KC₂H₃O₂ =>
2 HC₂H₃O₂ + K₂CO₃ = H₂O + CO₂ + 2 KC₂H₃O₂

Fe₂O₃ + H₂ = Fe + H₂O =>
Fe₂O₃ + 3 H₂ = 2 Fe + 3 H₂O

K + Na₃Co(NO₂)₆ = K(NO₂)₆ + Na₃Co =>
K + Na₃Co(NO₂)₆ = K(NO₂)₆ + Na₃Co

Na₂CO₃ + HNO₃ = H₂O + CO₂ + NaNO₃ =>
Na₂CO₃ + 2 HNO₃ = H₂O + CO₂ + 2 NaNO₃

AgNO₃ + NaCl = AgCl + NaNO₃ =>
AgNO₃ + NaCl = AgCl + NaNO₃

H₃PO₄ = H₄P₂O₇ + H₂O =>
2 H₃PO₄ = H₄P₂O₇ + H₂O

H + CO = CH₃OH =>
4 H + CO = CH₃OH

IO{-} + HSO₃{-} = I{-} + SO₄{2-} + H{+} =>
IO{-} + HSO₃{-} = I{-} + SO₄{2-} + H{+}

IO₃{-} + HSO₃{-} = I{-} + SO₄{2-} + H{+} =>
IO₃{-} + 3 HSO₃{-} = I{-} + 3 SO₄{2-} + 3 H{+}

C₃H₈ + O₂ = CO₂ + H₂O =>
C₃H₈ + 5 O₂ = 3 CO₂ + 4 H₂O

Cu + HNO₃ = Cu(NO₃)₂ + NO + H₂O =>
3 Cu + 8 HNO₃ = 3 Cu(NO₃)₂ + 2 NO + 4 H₂O

Hg₂(ClO₃)₂ + NaOH = Hg₂O + NaClO₃ + H₂O =>
Hg₂(ClO₃)₂ + 2 NaOH = Hg₂O + 2 NaClO₃ + H₂O

NaOH + NH₄Cl = NaCl + OHNH₄ =>
NaOH + NH₄Cl = NaCl + OHNH₄

Na₂CO₃ + HCl = NaCl + H₂O + CO₂ =>
Na₂CO₃ + 2 HCl = 2 NaCl + H₂O + CO₂

K + Br₂ = KBr =>
2 K + Br₂ = 2 KBr

C₆H₁₄O + O₂ = CO₂ + H₂O =>
C₆H₁₄O + 9 O₂ = 6 CO₂ + 7 H₂O

Fe + SnCl₄ = FeCl + Sn =>
4 Fe + SnCl₄ = 4 FeCl + Sn

MnO₄{-} + I{-} + H₂O = MnO₂ + IO₃{-} + OH{-} =>
2 MnO₄{-} + I{-} + H₂O = 2 MnO₂ + IO₃{-} + 2 OH{-}

C₂H₆O₂ + O₂ = CO₂ + H₂O =>
2 C₂H₆O₂ + 5 O₂ = 4 CO₂ + 6 H₂O

C₇H₁₆ + O₂ = CO₂ + H₂O =>
C₇H₁₆ + 11 O₂ = 7 CO₂ + 8 H₂O

Al₂O₃ = Al + O₂ =>
2 Al₂O₃ = 4 Al + 3 O₂

P₄ + O₂ = P₂O₅ =>
P₄ + 5 O₂ = 2 P₂O₅

Mg + SnCl₄ = MgCl + Sn =>
4 Mg + SnCl₄ = 4 MgCl + Sn

Pb(NO₃)₂ + NaCl = PbCl₂ + NaNO₃ =>
Pb(NO₃)₂ + 2 NaCl = PbCl₂ + 2 NaNO₃

Na₂SO₄ + CaCl₂ = CaSO₄ + NaCl =>
Na₂SO₄ + CaCl₂ = CaSO₄ + 2 NaCl

AlSO₄ + NaOH = NaSO₄ + AlOH =>
AlSO₄ + NaOH = NaSO₄ + AlOH

Pb(NO₃)₂ + NaCl = PbCl₂ + NaNO₃ =>
Pb(NO₃)₂ + 2 NaCl = PbCl₂ + 2 NaNO₃

Li + N₂ = Li₃N =>
6 Li + N₂ = 2 Li₃N

1 2 3 4 5 6 7

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