Équations chimiques équilibrées sur12/18/24

Ca(H₂PO₄)₂ + NaOH = Ca₃(PO₄)₂ + Na₃PO₄ + H₂O =>
3 Ca(H₂PO₄)₂ + 12 NaOH = Ca₃(PO₄)₂ + 4 Na₃PO₄ + 12 H₂O

K₂Cr₂O₇ + S = K₂SO₄ + Cr₂O₃ =>
K₂Cr₂O₇ + S = K₂SO₄ + Cr₂O₃

(NH₄)₂S(aq) + SrCl₂(aq) = SrS(s) + NH₄Cl(aq) =>
(NH₄)₂S(aq) + SrCl₂(aq) = SrS(s) + 2 NH₄Cl(aq)

KMnO₄ + Fe(NO₂)₂ + H₂SO₄ = HNO₂ + Fe₂(SO₄)₃ + H₂O + K₂SO₄ + MnSO₄ =>
2 KMnO₄ + 10 Fe(NO₂)₂ + 18 H₂SO₄ = 20 HNO₂ + 5 Fe₂(SO₄)₃ + 8 H₂O + K₂SO₄ + 2 MnSO₄

Zn + Ag(NO₂) = Zn(NO₂)₂ + Ag =>
Zn + 2 Ag(NO₂) = Zn(NO₂)₂ + 2 Ag

CuSO₄{2} + NaOH = CuOH + NaSO₄{2} =>
CuSO₄{2} + NaOH = CuOH + NaSO₄{2}

Ca(H₂PO₄)₂ + NaOH = Ca(OH)₂ + NaH₂PO₄ =>
Ca(H₂PO₄)₂ + 2 NaOH = Ca(OH)₂ + 2 NaH₂PO₄

KBr + Ca(OH)₂ = K(OH)₂ + CaBr =>
KBr + Ca(OH)₂ = K(OH)₂ + CaBr

NaOH + Si = SiOH + Na =>
NaOH + Si = SiOH + Na

KNO₂ + KMnO₄ + H₂O = KNO₃ + KOH + MnO =>
5 KNO₂ + 2 KMnO₄ + H₂O = 5 KNO₃ + 2 KOH + 2 MnO

KHCO₃(s) + HBr(aq) = KBr + H₂CO₃ =>
KHCO₃(s) + HBr(aq) = KBr + H₂CO₃

Cs(s) + H₂O = CsO + H₂ =>
Cs(s) + H₂O = CsO + H₂

LiOH + HNO₃ = H₂O + LiNO₃ =>
LiOH + HNO₃ = H₂O + LiNO₃

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)Cl + SrS =>
(NH₄)₂S(aq) + SrCl₂(aq) = 2(NH₄)Cl + SrS

Mg(OH)₂ = MgO + H₂O =>
Mg(OH)₂ = MgO + H₂O

Na₂CO₃(aq) + KOH(aq) = NaOH(aq) + K₂CO₃(aq) =>
Na₂CO₃(aq) + 2 KOH(aq) = 2 NaOH(aq) + K₂CO₃(aq)

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)₂Cl₂(aq) + SrS(s) =>
(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)₂Cl₂(aq) + SrS(s)

Ca(H₂PO₄)₂ + NaOH = Ca(OH)₂ + NaH₂PO₄ =>
Ca(H₂PO₄)₂ + 2 NaOH = Ca(OH)₂ + 2 NaH₂PO₄

Ca(NO₃)₂Al(NO₃)₃ = Ca(NO₃)₃Al(NO₃)₂ =>
Ca(NO₃)₂Al(NO₃)₃ = Ca(NO₃)₃Al(NO₃)₂

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)₂Cl₂ + SrS =>
(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)₂Cl₂ + SrS

KHCO₃(s) + HBr(aq) = KBr + H₂CO₃ =>
KHCO₃(s) + HBr(aq) = KBr + H₂CO₃

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)Cl(aq) + SrS(aq) =>
(NH₄)₂S(aq) + SrCl₂(aq) = 2(NH₄)Cl(aq) + SrS(aq)

Ba(OH)₂ + NH₄(SCN) = Ba(SCN)₂ + NH₄(OH) =>
Ba(OH)₂ + 2 NH₄(SCN) = Ba(SCN)₂ + 2 NH₄(OH)

NaOH + Ca(H₂PO₄)₂ = NaH₂PO₄ + Ca₃(PO₄)₂ + H₂O =>
4 NaOH + 3 Ca(H₂PO₄)₂ = 4 NaH₂PO₄ + Ca₃(PO₄)₂ + 4 H₂O

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)Cl(aq) + SrS(aq) =>
(NH₄)₂S(aq) + SrCl₂(aq) = 2(NH₄)Cl(aq) + SrS(aq)

Cs(s) + H₂O = CsOH(s) + H₂(g) =>
2 Cs(s) + 2 H₂O = 2 CsOH(s) + H₂(g)

Na₂CO₃(aq) + KOH(aq) = NaOH(aq) + K₂CO₃(s) =>
Na₂CO₃(aq) + 2 KOH(aq) = 2 NaOH(aq) + K₂CO₃(s)

HBr + CH₂Cl₂ = HCl + CH₂BrCl =>
HBr + CH₂Cl₂ = HCl + CH₂BrCl

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)Cl + SrS =>
(NH₄)₂S(aq) + SrCl₂(aq) = 2(NH₄)Cl + SrS

Ca(H₂PO₄)₂ + NaOH = CaNa₂(HPO₄)₂ + H₂O =>
Ca(H₂PO₄)₂ + 2 NaOH = CaNa₂(HPO₄)₂ + 2 H₂O

Fe₂O₃ + HCl = FeCl₃ + H₂O =>
Fe₂O₃ + 6 HCl = 2 FeCl₃ + 3 H₂O

KHCO₃(s) + HBr(aq) = CO₂ + H₂O + KBr =>
KHCO₃(s) + HBr(aq) = CO₂ + H₂O + KBr

Fe₂O₃ + CO = Fe + CO₂ =>
Fe₂O₃ + 3 CO = 2 Fe + 3 CO₂

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)Cl(aq) + SrS(aq) =>
(NH₄)₂S(aq) + SrCl₂(aq) = 2(NH₄)Cl(aq) + SrS(aq)

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)₂Cl₂(aq) + SrS(s) =>
(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)₂Cl₂(aq) + SrS(s)

CaCl₂ + H₂O = Ca(OH)₂ + HCl =>
CaCl₂ + 2 H₂O = Ca(OH)₂ + 2 HCl

C₅H₂ + O₂ = C₃O₄ + H₃O =>
3 C₅H₂ + 11 O₂ = 5 C₃O₄ + 2 H₃O

Sc + Cl = ScCl₃ =>
Sc + 3 Cl = ScCl₃

Ca(H₂PO₄)₂ + NaOH = CaHPO₄ + Na₂HPO₄ + H₂O =>
Ca(H₂PO₄)₂ + 2 NaOH = CaHPO₄ + Na₂HPO₄ + 2 H₂O

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)₂Cl₂(aq) + SrS(s) =>
(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)₂Cl₂(aq) + SrS(s)

B + N = BN₂ =>
B + 2 N = BN₂

HNO₃ + LiOH = H₂O + LiNO₃ =>
HNO₃ + LiOH = H₂O + LiNO₃

NaVO₃ + HNO₃ = VO₂NO₃ + NaOH =>
NaVO₃ + HNO₃ = VO₂NO₃ + NaOH

K + Zn(NO₃)₂ = K(NO₃)₂ + Zn =>
K + Zn(NO₃)₂ = K(NO₃)₂ + Zn

(NH₄)₂S(aq) + SrCl₂(aq) = SrS(s) + NH₄Cl(aq) =>
(NH₄)₂S(aq) + SrCl₂(aq) = SrS(s) + 2 NH₄Cl(aq)

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)Cl + SrS =>
(NH₄)₂S(aq) + SrCl₂(aq) = 2(NH₄)Cl + SrS

HBr + CH₂BrCl = HCl + CH₂Br₂ =>
HBr + CH₂BrCl = HCl + CH₂Br₂

(NH₄)₂S(aq) + SrCl₂(aq) = (NH₄)Cl(aq) + SrS(s) =>
(NH₄)₂S(aq) + SrCl₂(aq) = 2(NH₄)Cl(aq) + SrS(s)

MgSO₄ + (NH₄)₂S = MgS + (NH₄)₂SO₄ =>
MgSO₄ + (NH₄)₂S = MgS + (NH₄)₂SO₄

NaO + H₂O = Na(OH)₂ =>
NaO + H₂O = Na(OH)₂

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