Équations chimiques équilibrées sur12/18/24

Na₂HPO₄ + (NH₄)₆Mo₇O₂₄ + HNO₃ = (NH₄)₃(PMo₁₂O₄₀) + NaNO₃ + NH₄NO₃ + H₂O =>
7 Na₂HPO₄ + 12(NH₄)₆Mo₇O₂₄ + 65 HNO₃ = 7(NH₄)₃(PMo₁₂O₄₀) + 14 NaNO₃ + 51 NH₄NO₃ + 36 H₂O

W₂ = W₃ =>
3 W₂ = 2 W₃

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

ZnCl₂ + BaCO₃ = BaCl₂ + ZnCO₃ =>
ZnCl₂ + BaCO₃ = BaCl₂ + ZnCO₃

HBr + NiS = HS + NiBr =>
HBr + NiS = HS + NiBr

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

Zn + HCl = ZnCl₂ + H₂ =>
Zn + 2 HCl = ZnCl₂ + H₂

C₅H₁₂ + I₂ = C₅H₁₁ + HI =>
2 C₅H₁₂ + I₂ = 2 C₅H₁₁ + 2 HI

C + H + N + O = CHNO =>
C + H + N + O = CHNO

Cl + SrI₂ = SrCl₂ + I =>
2 Cl + SrI₂ = SrCl₂ + 2 I

Ba(HCO₃)₂ + CaO = BaCO₃ + CaCO₃ + H₂O =>
Ba(HCO₃)₂ + CaO = BaCO₃ + CaCO₃ + H₂O

NaClO₄ + HCl = NaCl + HClO₄ =>
NaClO₄ + HCl = NaCl + HClO₄

AgBr + H₂O = AgOH + HBr =>
AgBr + H₂O = AgOH + HBr

Na₂HPO₄ + (NH₄)₆Mo₇O₂₄ + HNO₃ = (NH₄)₃(PMo₁₂O₄₀) + NaNO₃ + (NH₄)₂NO₄ + H₂O =>
35 Na₂HPO₄ + 60(NH₄)₆Mo₇O₂₄ + 223 HNO₃ = 35(NH₄)₃(PMo₁₂O₄₀) + 70 NaNO₃ + 136(NH₄)₂NO₄ + 95 H₂O

C + H + O + N = CHON =>
C + H + O + N = CHON

Na₃AsO₄ + H₂O = NaOH + H₃AsO₄ =>
Na₃AsO₄ + 3 H₂O = 3 NaOH + H₃AsO₄

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

NH₄Cl = NH₃HCl =>
NH₄Cl = NH₃HCl

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

HBr + NiS = HS + BrNi =>
HBr + NiS = HS + BrNi

C₅H₁₂ + I₂ = C₅H₁₁I + HI =>
C₅H₁₂ + I₂ = C₅H₁₁I + HI

S + HNO₃ = H₂SO₄ + NO₂ + H₂O =>
S + 6 HNO₃ = H₂SO₄ + 6 NO₂ + 2 H₂O

H₂S + O₂ = H₂O + S =>
2 H₂S + O₂ = 2 H₂O + 2 S

N + H + C + O = (NH₄)₂CO₃ =>
2 N + 8 H + C + 3 O = (NH₄)₂CO₃

FeCl₂ + CoCl₃ = FeCl₃ + CoCl₂ =>
FeCl₂ + CoCl₃ = FeCl₃ + CoCl₂

C₅H₁₂ + I₂ = CHI + HI =>
C₅H₁₂ + 6 I₂ = 5 CHI + 7 HI

Na₂HPO₄ + (NH₄)₆Mo₇O₂₄ + HNO₃ = (NH₄)₂(PMo₁₂O₄₀) + NaNO₃ + (NH₄)₂NO₄ + H₂O =>
35 Na₂HPO₄ + 60(NH₄)₆Mo₇O₂₄ + 251 HNO₃ = 35(NH₄)₂(PMo₁₂O₄₀) + 70 NaNO₃ + 157(NH₄)₂NO₄ + 95 H₂O

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

CH₃COOH + CH₃OH = C₃H₇COOCH₃ + H₂O =>
CH₃COOH + 3 CH₃OH = C₃H₇COOCH₃ + 3 H₂O

FeSO₄ + VS₂ = FeS₂ + VSO₄ =>
FeSO₄ + VS₂ = FeS₂ + VSO₄

Fe₂O₃ + CO₂ = Fe₂(CO₃)₃ =>
Fe₂O₃ + 3 CO₂ = Fe₂(CO₃)₃

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

B + Sb = BSb =>
B + Sb = BSb

Cr₂O₃ + SI = Cr + SIO₂ =>
2 Cr₂O₃ + 3 SI = 4 Cr + 3 SIO₂

C₅H₁₂ + I₂ = CHI + HI =>
C₅H₁₂ + 6 I₂ = 5 CHI + 7 HI

Zn(OH)₂ + H₃ + PO₄ = Zn₃(PO)₂ + H₂O =>
3 Zn(OH)₂ + 6 H₃ + 2 PO₄ = Zn₃(PO)₂ + 12 H₂O

Mn₂O₃ + Si = SiO + Mn =>
Mn₂O₃ + 3 Si = 3 SiO + 2 Mn

CaCO₃ + HCl = CO₂ + H₂O + Cl₂ + Ca =>
CaCO₃ + 2 HCl = CO₂ + H₂O + Cl₂ + Ca

C₅H₁₂ + I₂ = C₅H₁₁I + HI =>
C₅H₁₂ + I₂ = C₅H₁₁I + HI

Na₃P + HOH = NaOH + PH₃ =>
Na₃P + 3 HOH = 3 NaOH + PH₃

CH₃Cl + H₂O = CH₃HO + HCl =>
CH₃Cl + H₂O = CH₃HO + HCl

KClO₃ + K(OH) + CoCl₂ = CoO₃ + KCl + H₂O =>
2 KClO₃ + 6 K(OH) + 3 CoCl₂ = 3 CoO₃ + 8 KCl + 3 H₂O

SnCl₂ + KOH = Sn(OH)Cl₂ + K =>
SnCl₂ + KOH = Sn(OH)Cl₂ + K

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

HCOOH + CH₃OH = HCOOCH₃ + H₂O =>
HCOOH + CH₃OH = HCOOCH₃ + H₂O

C₅H₁₂ + I₂ = C₅H₁₁ + HI =>
2 C₅H₁₂ + I₂ = 2 C₅H₁₁ + 2 HI

C₂H₆S + O₂ = CO₂ + H₂O + SO₁ =>
C₂H₆S + 4 O₂ = 2 CO₂ + 3 H₂O + SO₁

Na₂S + HCl = SCl₂ + NaH =>
Na₂S + 2 HCl = SCl₂ + 2 NaH

C₅H₁₂ + I₂ = C₅H₁₁I + HI =>
C₅H₁₂ + I₂ = C₅H₁₁I + HI

Fe(OH)₂ = FeO + HOH =>
Fe(OH)₂ = FeO + HOH

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