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Équations chimiques équilibrées sur10/28/24

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P5 = P4 =>
4 P5 = 5 P4

Zn(CH3COO)2 + Na2S = ZnS + CH3COONa =>
Zn(CH3COO)2 + Na2S = ZnS + 2 CH3COONa

Cr2O3(s) + Ca(s) = CrCa(s) + O3 =>
Cr2O3(s) + 2 Ca(s) = 2 CrCa(s) + O3

Zn(CH3COO)2 + Na2S = ZnS + CH3COONa =>
Zn(CH3COO)2 + Na2S = ZnS + 2 CH3COONa

AgNo3 + KI = AgI + No3K =>
AgNo3 + KI = AgI + No3K

Zn(CH3COO)2 + Na2S = ZnS + CH3COONa =>
Zn(CH3COO)2 + Na2S = ZnS + 2 CH3COONa

Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
Cu2S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O

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

KCO{3} + CaCl = KCl + CaCO{3} =>
KCO{3} + CaCl = KCl + CaCO{3}

Zn(CH3COO)2 + Na2S = ZnS + CH3COONa =>
Zn(CH3COO)2 + Na2S = ZnS + 2 CH3COONa

AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3

NaCl + K2CO3 = KCl + Na2CO3 =>
2 NaCl + K2CO3 = 2 KCl + Na2CO3

Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2 =>
Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2

NH4(NO3) + NaOH = NaNO3 + NH4 + H2O =>
9 NH4(NO3) + 10 NaOH = 10 NaNO3 + 8 NH4 + 7 H2O

AgNo3 + KI = AgI + No3K =>
AgNo3 + KI = AgI + No3K

Pb(NO3)2 + HBr = PbBr2 + H(NO3) =>
Pb(NO3)2 + 2 HBr = PbBr2 + 2 H(NO3)

Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2 =>
Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2

NaCl + MnO4 + H2SO4 = NaHSO4 + MnSO4 + H2O + Cl =>
6 NaCl + MnO4 + 7 H2SO4 = 6 NaHSO4 + MnSO4 + 4 H2O + 6 Cl

Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3

Sr(CO3) = Sr2 + CO3 =>
2 Sr(CO3) = Sr2 + 2 CO3

Cr(OH)3 + NaOH = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 NaOH = Na3[Cr(OH)6]

S + Cr2O3 = Cr2S3 + O2 =>
6 S + 2 Cr2O3 = 2 Cr2S3 + 3 O2

Na[Ag(CN)2] + Zn = Na[Zn(CN)2] + Ag =>
Na[Ag(CN)2] + Zn = Na[Zn(CN)2] + Ag

Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2 =>
Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2

NaBr + NaBrO3 + H2SO4 = Br2 + H2O + Na2SO4 =>
5 NaBr + NaBrO3 + 3 H2SO4 = 3 Br2 + 3 H2O + 3 Na2SO4

Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2 =>
Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2

PbO + NaOH = NaHPbO2 =>
PbO + NaOH = NaHPbO2

Fe + Co(SO4) = Fe(SO4) + Co =>
Fe + Co(SO4) = Fe(SO4) + Co

SnS + HNO3 = H2SO4 + H2SnO3 + NO2 + H2O =>
SnS + 10 HNO3 = H2SO4 + H2SnO3 + 10 NO2 + 3 H2O

HCl + CH2 = CHCl + H2 =>
HCl + CH2 = CHCl + H2

Ba(NO3)2 + K2SO4 = BaSO4 + KNO3 =>
Ba(NO3)2 + K2SO4 = BaSO4 + 2 KNO3

K2Cr2O7 + HI + HClO4 = KClO4 + CrCl3O12 + I2 + H2O =>
K2Cr2O7 + 6 HI + 8 HClO4 = 2 KClO4 + 2 CrCl3O12 + 3 I2 + 7 H2O

Cl2 + NaOH = NaClO3 + NaCl + H2O =>
3 Cl2 + 6 NaOH = NaClO3 + 5 NaCl + 3 H2O

SO + O2 = SO3O =>
2 SO + 3 O2 = 2 SO3O

NaOH + SO3 = H2O + Na2SO4 =>
2 NaOH + SO3 = H2O + Na2SO4

C2H5Br + O2 = CO2 + CBr + H2O =>
4 C2H5Br + 9 O2 = 4 CO2 + 4 CBr + 10 H2O

Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2 =>
Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2

HCI + Na2SO4 = H2SO4 + NaCI =>
2 HCI + Na2SO4 = H2SO4 + 2 NaCI

(NiOH)2SO4 + HCl = NiOH + H2SO4 + Cl =>
(NiOH)2SO4 + 2 HCl = 2 NiOH + H2SO4 + 2 Cl

Fe(s) + S(s) = FeS3(s) =>
Fe(s) + 3 S(s) = FeS3(s)

Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2 =>
Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2

SiO2 + H2CO3 = H2SiO3 + CO2 =>
SiO2 + H2CO3 = H2SiO3 + CO2

Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2 =>
Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2

Zn(CH3COO)2 + Na2S = ZnS + NaCH3COO =>
Zn(CH3COO)2 + Na2S = ZnS + 2 NaCH3COO

CuSO4 + MgCl2 = CuCl2 + MgSO4 =>
CuSO4 + MgCl2 = CuCl2 + MgSO4

Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2 =>
Zn(CH3COO)2 + Na2S = ZnS + Na2(CH3COO)2

KI + H2SO4 + H2O2 = I2 + K2SO4 + H2O =>
2 KI + H2SO4 + H2O2 = I2 + K2SO4 + 2 H2O

Zn(CH3COO)2 + Na2S = ZnS + CH3COONa =>
Zn(CH3COO)2 + Na2S = ZnS + 2 CH3COONa

Na2S + Zn(CH3COO)2 = Na(CH3COO) + ZnS =>
Na2S + Zn(CH3COO)2 = 2 Na(CH3COO) + ZnS

HI + MgCO3 = MgI + HCO3 =>
HI + MgCO3 = MgI + HCO3

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Équilibrer l'équation de toute réaction chimique
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