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Équations chimiques équilibrées sur02/09/25

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CaCl = Cl + Ca =>
CaCl = Cl + Ca

MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2

ClO3{-} + N2H4 = Cl{-} + H2O + NO =>
4 ClO3{-} + 3 N2H4 = 4 Cl{-} + 6 H2O + 6 NO

KAlSi3O8 + H2CO3 + H2O = Al2(Si2O5)(OH)4 + K + HCO3 + H4SiO4 =>
2 KAlSi3O8 + 2 H2CO3 + 9 H2O = Al2(Si2O5)(OH)4 + 2 K + 2 HCO3 + 4 H4SiO4

ClO3{-} + N2H4 = Cl{-} + H2O + NO =>
4 ClO3{-} + 3 N2H4 = 4 Cl{-} + 6 H2O + 6 NO

FeCr2O3 + Na2CO3 + O2 = Na2CrO4 + Fe2O3 + CO2 =>
4 FeCr2O3 + 8 Na2CO3 + 9 O2 = 8 Na2CrO4 + 2 Fe2O3 + 8 CO2

ClO3{-} + N2H4 = Cl{-} + H2O + NO =>
4 ClO3{-} + 3 N2H4 = 4 Cl{-} + 6 H2O + 6 NO

AgNO3 + HCHO = HCOOH + Ag + NO2 =>
AgNO3 + HCHO = HCOOH + Ag + NO2

Fe2 + NO2 = Fe(NO2)2 =>
Fe2 + 4 NO2 = 2 Fe(NO2)2

NH3 + H2O = (NH3)2O + H =>
2 NH3 + H2O = (NH3)2O + 2 H

C2H5 + Cl2 = C + HCl =>
2 C2H5 + 5 Cl2 = 4 C + 10 HCl

Cr + H2SO4 = Cr2(SO4)3 + SO2 + H2O =>
2 Cr + 6 H2SO4 = Cr2(SO4)3 + 3 SO2 + 6 H2O

Ca(NO3)2*4H2O + Co(NO3)2*6H2O + Ni(NO3)2*6H2O + Al(NO3)3*9H2O + C6H10O5 = Ca2AlCo3NiO9 + N2O + CO2 + H2 =>
28 Ca(NO3)2*4H2O + 42 Co(NO3)2*6H2O + 14 Ni(NO3)2*6H2O + 14 Al(NO3)3*9H2O + 139 C6H10O5 = 14 Ca2AlCo3NiO9 + 105 N2O + 834 CO2 + 1269 H2

Ca(OH)2 + NaOH + C + ClO2 = NaCl02 + CaCO3 + H2O =>
9 Ca(OH)2 + 4 NaOH + 9 C + 8 ClO2 = 4 NaCl02 + 9 CaCO3 + 11 H2O

BrF4 = Br2 + F2 =>
2 BrF4 = Br2 + 4 F2

Al0 = Al3 =>
3 Al0 = Al3

NH2CONH2 + H2SO4 = NH3CONH3 + SO4 =>
NH2CONH2 + H2SO4 = NH3CONH3 + SO4

NaBiO3 + MnSO4 + H2SO4 = Bi2(SO4)4 + HMnO4 + Na2SO4 + H2O =>
10 NaBiO3 + 2 MnSO4 + 23 H2SO4 = 5 Bi2(SO4)4 + 2 HMnO4 + 5 Na2SO4 + 22 H2O

C3H8(g) + O(g) = CO2(g) + H2O =>
C3H8(g) + 10 O(g) = 3 CO2(g) + 4 H2O

AlO + HCl = HO + AlCl =>
AlO + HCl = HO + AlCl

HNO4 + HI = I2 + I2NO + H2O =>
2 HNO4 + 10 HI = 3 I2 + 2 I2NO + 6 H2O

Ca3(PO4)2 + SiO2 + C = CaSiO3 + P750000 + CO =>
1000.2Ca3(PO4)2 + 3000.6SiO2 + 5001 C = 3000.6CaSiO3 + 0.0026672P750000 + 5001 CO

H2SO3 + Ce(OH)4 = H2O + Ce(SO3)2 =>
2 H2SO3 + Ce(OH)4 = 4 H2O + Ce(SO3)2

C2H4O + Cu(OH)2 = C2H4O2 + Cu(OH) + H2O =>
C2H4O + 2 Cu(OH)2 = C2H4O2 + 2 Cu(OH) + H2O

Zn + Cu2SO3 = ZnSO3 + Cu =>
Zn + Cu2SO3 = ZnSO3 + 2 Cu

KClO3 + C6H2O6 = KCl + CO2 + H2O =>
7 KClO3 + 3 C6H2O6 = 7 KCl + 18 CO2 + 3 H2O

ReO2 + NaOH = Na2ReO3 + H2O =>
ReO2 + 2 NaOH = Na2ReO3 + H2O

H2NO3 + Au(OH)3 = Au2(NO3)3 + H2O =>
3 H2NO3 + 2 Au(OH)3 = Au2(NO3)3 + 6 H2O

PCl3 + H2O2 + H2O = H3PO4 + HCl =>
PCl3 + H2O2 + 2 H2O = H3PO4 + 3 HCl

K + Br2 = K2Br =>
4 K + Br2 = 2 K2Br

C9H10O + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + C8H8O2 =>
40 C9H10O + 28 KMnO4 + 42 H2SO4 = 14 K2SO4 + 28 MnSO4 + 62 H2O + 45 C8H8O2

H2S = H2 + S2 =>
2 H2S = 2 H2 + S2

HCl + HCN = NH3 + HCCl3 =>
3 HCl + HCN = NH3 + HCCl3

K2S + Pb(CH3COO)2 = PbS + KCH3COO =>
K2S + Pb(CH3COO)2 = PbS + 2 KCH3COO

IO3 + HI = I + H2O =>
IO3 + 6 HI = 7 I + 3 H2O

K2S + HCl = H2S + KCl =>
K2S + 2 HCl = H2S + 2 KCl

Fe + HBrO3 = Fe(BrO3)2 + BrO + H2O =>
3 Fe + 8 HBrO3 = 3 Fe(BrO3)2 + 2 BrO + 4 H2O

C10H20O + H2O2 = C10H18O + H2O =>
C10H20O + H2O2 = C10H18O + 2 H2O

Na2CO3 + Ca(ClO3)2 = Na(ClO3) + CaCO3 =>
Na2CO3 + Ca(ClO3)2 = 2 Na(ClO3) + CaCO3

HCl + K2CO3 = KCl + CO2 + H2O =>
2 HCl + K2CO3 = 2 KCl + CO2 + H2O

LiBr(aq) + Cl2(aq) = LiCl + Br2(g) =>
2 LiBr(aq) + Cl2(aq) = 2 LiCl + Br2(g)

H3PO3 + H2O = H2PO3 + H3O =>
H3PO3 + H2O = H2PO3 + H3O

C3H5OH + Ag2O = Ag + CH3COOH =>
2 C3H5OH + 4 Ag2O = 8 Ag + 3 CH3COOH

Fe2(SO4)3 + KSCN = K3Fe + (SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3Fe + 2(SCN)6 + 3 K2SO4

P2I4 + P4 + H2O = PH4I + H3PO4 =>
10 P2I4 + 13 P4 + 128 H2O = 40 PH4I + 32 H3PO4

NaCl + MnI = NaI + MnCl =>
NaCl + MnI = NaI + MnCl

NH4 + KOH = NH5 + KO =>
NH4 + KOH = NH5 + KO

C10H18O = C10H16 + H2O =>
C10H18O = C10H16 + H2O

PbNO3 + KL = KNO3 + PbL =>
PbNO3 + KL = KNO3 + PbL

FeAsS + O2 = Fe2O3 + As2O3 + SO2 =>
2 FeAsS + 5 O2 = Fe2O3 + As2O3 + 2 SO2

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Équilibrer l'équation de toute réaction chimique
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