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Équations chimiques équilibrées sur12/31/23

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K[Fe(SCN)4(H2O)2] + KF*2H2O = K3[FeF6] + H2O + KSCN =>
K[Fe(SCN)4(H2O)2] + 6 KF*2H2O = K3[FeF6] + 14 H2O + 4 KSCN

NaHCO3(s) + CH3COOH = COOHNa + H2O(l) + CO2 =>
4 NaHCO3(s) + CH3COOH = 4 COOHNa + 2 H2O(l) + 2 CO2

KOH + H2SeO4 = H2O + K2SeO4 =>
2 KOH + H2SeO4 = 2 H2O + K2SeO4

KVO3 + FeCl2 + H2SO4 = VOSO4 + Fe2(SO4)3 + K2SO4 + HCl + H2O =>
2 KVO3 + 2 FeCl2 + 6 H2SO4 = 2 VOSO4 + Fe2(SO4)3 + K2SO4 + 4 HCl + 4 H2O

Ni2 + H2O = Ni(OH)3 + H2 =>
Ni2 + 6 H2O = 2 Ni(OH)3 + 3 H2

KMnO4 + HCl = Cl2 + H2O + KCl + MnCl2 =>
2 KMnO4 + 16 HCl = 5 Cl2 + 8 H2O + 2 KCl + 2 MnCl2

NH4Cl + Hg2Cl2 = NCl2 + Hg2H4Cl =>
NH4Cl + Hg2Cl2 = NCl2 + Hg2H4Cl

K(Ga(OH)4) + CO2 = KHCO3 + Ga(OH)3 =>
K(Ga(OH)4) + CO2 = KHCO3 + Ga(OH)3

Na + HNO3 = Na3(NO3) + H2 =>
6 Na + 2 HNO3 = 2 Na3(NO3) + H2

KHC8H4O4 + OH{-} = KC8H4O4{-} + H2O =>
KHC8H4O4 + OH{-} = KC8H4O4{-} + H2O

CuSO4*5H2O + Al = Cu + Al2(SO4)3*15H2O =>
3 CuSO4*5H2O + 2 Al = 3 Cu + Al2(SO4)3*15H2O

NaHCO3 + C2H4O2 = CO2 + H2O + NaC2H3O2 =>
NaHCO3 + C2H4O2 = CO2 + H2O + NaC2H3O2

CH3COOH + NaHCO3 = C2H3O2Na + H2O + CO2 =>
CH3COOH + NaHCO3 = C2H3O2Na + H2O + CO2

Sb + HNO3 = Sb(NO3)2 + NO3NH4 + H2O =>
4 Sb + 10 HNO3 = 4 Sb(NO3)2 + NO3NH4 + 3 H2O

KVO3 + FeCl2 + H2SO4 = VOSO4 + Fe2(SO4)3 + K2SO4 + HCl + H2O =>
2 KVO3 + 2 FeCl2 + 6 H2SO4 = 2 VOSO4 + Fe2(SO4)3 + K2SO4 + 4 HCl + 4 H2O

FeOH3 + H2O = H3O + FeOH =>
FeOH3 + 2 H2O = 2 H3O + FeOH

Al(NO3)3*9H2O = Al2O3 + NO2 + H2O + O2 =>
4 Al(NO3)3*9H2O = 2 Al2O3 + 12 NO2 + 36 H2O + 3 O2

X + Na2SO4 + H2O = XSO4 + NaOH + H2 =>
X + Na2SO4 + 2 H2O = XSO4 + 2 NaOH + H2

Na3PO4 + BaSO4 = Ba3(PO4)2 + Na2SO4 =>
2 Na3PO4 + 3 BaSO4 = Ba3(PO4)2 + 3 Na2SO4

Na3PO3 + NaOH + Cl2 = NaOCl + NaCl + H3PO4 =>
Na3PO3 + 3 NaOH + 3 Cl2 = 2 NaOCl + 4 NaCl + H3PO4

FeS2 + H2O = SO4{-2} + Fe{2+} + H2 + H{+} =>
FeS2 + 8 H2O = 2 SO4{-2} + Fe{2+} + 7 H2 + 2 H{+}

Cl2 + KCrO2 + NaOH = Na2CrO4 + NaCl + KCl + H2O =>
3 Cl2 + 2 KCrO2 + 8 NaOH = 2 Na2CrO4 + 4 NaCl + 2 KCl + 4 H2O

I2 + KOH + MnO4 = KIO3 + KMnO4 + H2O =>
I2 + 12 KOH + 10 MnO4 = 2 KIO3 + 10 KMnO4 + 6 H2O

(NH4)3PO4 + Sn(Cr2O7)2 = (NH4)2Cr2O7 + Sn3(PO4)4 =>
4(NH4)3PO4 + 3 Sn(Cr2O7)2 = 6(NH4)2Cr2O7 + Sn3(PO4)4

NaNO3(aq) + H2SO4(aq) = Na2SO4(s) + HNO3(aq) =>
2 NaNO3(aq) + H2SO4(aq) = Na2SO4(s) + 2 HNO3(aq)

FeCl3 + NaSCN = Fe(SCN)3 + NaCl =>
FeCl3 + 3 NaSCN = Fe(SCN)3 + 3 NaCl

Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2

KVO3 + FeCl2 + H2SO4 = VOSO4 + Fe2(SO4)3 + K2SO4 + HCl + H2O =>
2 KVO3 + 2 FeCl2 + 6 H2SO4 = 2 VOSO4 + Fe2(SO4)3 + K2SO4 + 4 HCl + 4 H2O

K2MnO4 + HNO3 = KMnO4 + Mn02 + KNO3 + H2O =>
14 K2MnO4 + 16 HNO3 = 12 KMnO4 + Mn02 + 16 KNO3 + 8 H2O

Br + Cr2O7 = Br2O7 + Cr =>
2 Br + Cr2O7 = Br2O7 + 2 Cr

Ce{4+}(aq) + Fe(s) + H2S(aq) = Ce{3+}(aq) + FeS(s) + H{+}(aq) =>
2 Ce{4+}(aq) + Fe(s) + H2S(aq) = 2 Ce{3+}(aq) + FeS(s) + 2 H{+}(aq)

Mg(OH) + HNO3 = MgNO3 + HOH =>
Mg(OH) + HNO3 = MgNO3 + HOH

H3PO4 + Ba + (OH)2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 Ba + 3(OH)2 = Ba3(PO4)2 + 6 H2O

H2O2 + NaI = H2O + NaIO3 =>
3 H2O2 + NaI = 3 H2O + NaIO3

MgO + NaOH = Na2MgO2 + H2O =>
MgO + 2 NaOH = Na2MgO2 + H2O

CO3{2-} + H3O{+} = H2O + CO2 =>
CO3{2-} + 2 H3O{+} = 3 H2O + CO2

HNO3 + Na2S = NaNO3 + H2O + N2O3 + S =>
6 HNO3 + 2 Na2S = 4 NaNO3 + 3 H2O + N2O3 + 2 S

C + Al2O3 = Al4C3 + CO =>
9 C + 2 Al2O3 = Al4C3 + 6 CO

Ba3(PO4)2 + AgNO3 = Ag3PO4 + Ba(NO3)2 =>
Ba3(PO4)2 + 6 AgNO3 = 2 Ag3PO4 + 3 Ba(NO3)2

UO2CO3 + CO2 + H2O = UO2(CO3)3{4-} + H{+} =>
UO2CO3 + 2 CO2 + 2 H2O = UO2(CO3)3{4-} + 4 H{+}

NH4OH + H2SO4 = H3O + NH4SO4 =>
NH4OH + H2SO4 = H3O + NH4SO4

Cu(NO3)2 + Pb(NO3)2 = CuPb + (NO3)2 =>
Cu(NO3)2 + Pb(NO3)2 = CuPb + 2(NO3)2

HClO2 + Ca(OH)2 = Ca(ClO2)2 + H2O =>
2 HClO2 + Ca(OH)2 = Ca(ClO2)2 + 2 H2O

SnCl2 + NaAsO3 + HCl = As + SnCl4 + NaCl + H2O =>
5 SnCl2 + 2 NaAsO3 + 12 HCl = 2 As + 5 SnCl4 + 2 NaCl + 6 H2O

NaCl + Fe(OH)3 = NaOH + FeCl3 =>
3 NaCl + Fe(OH)3 = 3 NaOH + FeCl3

Ba(OH)2 + HClO = Ba(OH)(ClO) + H2O =>
Ba(OH)2 + HClO = Ba(OH)(ClO) + H2O

H2O + P2O5 + NH4 + Mg + OH = MgNH4PO4*6H2O =>
9 H2O + P2O5 + 2 NH4 + 2 Mg + 6 OH = 2 MgNH4PO4*6H2O

C + H2SO4 = SO + CO + H2O =>
2 C + H2SO4 = SO + 2 CO + H2O

Zr + H2 = ZrH2 =>
Zr + H2 = ZrH2

Pb(NO3)2 + (NH4)2CrO4 = NH4NO3 + Pb2(CrO4)2 =>
2 Pb(NO3)2 + 2(NH4)2CrO4 = 4 NH4NO3 + Pb2(CrO4)2

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