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Équations chimiques équilibrées sur01/30/25

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Mg + PbCl2 = Mg4Cl + Pb =>
8 Mg + PbCl2 = 2 Mg4Cl + Pb

H2O + Zn + HNO3 = Zn(NO3)2 + H3O =>
2 H2O + Zn + 2 HNO3 = Zn(NO3)2 + 2 H3O

MnCl2*4H2O + H2C2O4*2H2O = MnC2O4*2H2O + HCl + H2O =>
MnCl2*4H2O + H2C2O4*2H2O = MnC2O4*2H2O + 2 HCl + 4 H2O

Fe2O3 + CC = Fe + CO2 =>
4 Fe2O3 + 3 CC = 8 Fe + 6 CO2

C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O

H2O + CO2 + NO2 = HNO3 + CH4 =>
6 H2O + CO2 + 8 NO2 = 8 HNO3 + CH4

H2SO4 + PtO = PtSO4 + H2O =>
H2SO4 + PtO = PtSO4 + H2O

CsCl + O2 = Cs2O + Cl2 =>
4 CsCl + O2 = 2 Cs2O + 2 Cl2

SrSO3 + CH3COOH = (CH3COO)2Sr + SO2 + H2O =>
SrSO3 + 2 CH3COOH = (CH3COO)2Sr + SO2 + H2O

Ba + HNO3 = Ba(NO3)2 + H2O + NH4NO3 =>
4 Ba + 10 HNO3 = 4 Ba(NO3)2 + 3 H2O + NH4NO3

HPO3 + Ag(OH) = AgPO3 + H2O =>
HPO3 + Ag(OH) = AgPO3 + H2O

HN3 + Au + HCl = HAuCl4 + N3H4Cl =>
3 HN3 + 2 Au + 11 HCl = 2 HAuCl4 + 3 N3H4Cl

H3PO4 + NaO = Na3(PO4)2 + H2O =>
2 H3PO4 + 3 NaO = Na3(PO4)2 + 3 H2O

CrO2{-} + H2O2 = CrO4{2-} + H2O + H{+} =>
2 CrO2{-} + 3 H2O2 = 2 CrO4{2-} + 2 H2O + 2 H{+}

BaCl2(l) + AgNO3(l) = Ba(NO3)2(l) + AgCl(s) =>
BaCl2(l) + 2 AgNO3(l) = Ba(NO3)2(l) + 2 AgCl(s)

C3H7OH + H2SO4 + KMnO4 = C3H6O + K2SO4 + MnSO4 + H2O =>
5 C3H7OH + 3 H2SO4 + 2 KMnO4 = 5 C3H6O + K2SO4 + 2 MnSO4 + 8 H2O

NH4Cl + NaNO3 = NaCl + H2O + N2O =>
NH4Cl + NaNO3 = NaCl + 2 H2O + N2O

I2O5 + H2S = I2 + SO2 + H2O =>
3 I2O5 + 5 H2S = 3 I2 + 5 SO2 + 5 H2O

NaCl = Na + Cl =>
NaCl = Na + Cl

Na2SiO3 + HClO3 = NaClO3 + SiO2 + H2O =>
Na2SiO3 + 2 HClO3 = 2 NaClO3 + SiO2 + H2O

Ag(NO3)2 = Ag + NO2 + O2 =>
Ag(NO3)2 = Ag + 2 NO2 + O2

H3AsO3 + K2Cr2O7 + H2SO4 = H3AsO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 H3AsO3 + K2Cr2O7 + 4 H2SO4 = 3 H3AsO4 + Cr2(SO4)3 + K2SO4 + 4 H2O

NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH

K2CrO4(s) + HCl(aq) = H2CrO4(aq) + KCl(aq) =>
K2CrO4(s) + 2 HCl(aq) = H2CrO4(aq) + 2 KCl(aq)

Mg2Br2 + Cl2 = MgCl2 + Br2 =>
Mg2Br2 + 2 Cl2 = 2 MgCl2 + Br2

C2H2 + O2(g) = CO2(g) + H2O(g) =>
2 C2H2 + 5 O2(g) = 4 CO2(g) + 2 H2O(g)

C2H4O2 + NaCO3 = CO2 + H2O + C2H3NaO2 =>
9 C2H4O2 + 8 NaCO3 = 10 CO2 + 6 H2O + 8 C2H3NaO2

C6H8O7 + NaCHO3 = H2O + CO2 + Na3C6H5O7 =>
C6H8O7 + 3 NaCHO3 = 3 H2O + 3 CO2 + Na3C6H5O7

MnCl4 + H2O = HCl + Mn2O4 =>
2 MnCl4 + 4 H2O = 8 HCl + Mn2O4

CaO(s)H2O(l) = Ca(OH)2(ac) =>
CaO(s)H2O(l) = Ca(OH)2(ac)

CH3CH2 + HCHO = CH3CHO + CH3OH =>
2 CH3CH2 + 5 HCHO = 4 CH3CHO + CH3OH

Na2HPO4 = P2O5 + Na2O + H2O =>
2 Na2HPO4 = P2O5 + 2 Na2O + H2O

CH3OH + CO2 = C3H7COOH + H2O =>
10 CH3OH + 2 CO2 = 3 C3H7COOH + 8 H2O

Mg(NO3)2(aq) + NH4OH(aq) = Mg(OH)2(s) + NH4NO3(aq) =>
Mg(NO3)2(aq) + 2 NH4OH(aq) = Mg(OH)2(s) + 2 NH4NO3(aq)

C11H103 + O2 = CO2 + H2O =>
4 C11H103 + 147 O2 = 44 CO2 + 206 H2O

AlI = Al2I6 + Al =>
6 AlI = Al2I6 + 4 Al

(CH3CH4OH) + O2 = H2O + CH3COOH =>
2(CH3CH4OH) + 3 O2 = 4 H2O + 2 CH3COOH

H2O + Ca = CaH2O =>
H2O + Ca = CaH2O

CH3CH2COOH + Al = (CH3CH2COO)Al + H2 =>
2 CH3CH2COOH + 2 Al = 2(CH3CH2COO)Al + H2

Cl2 + Sr(OH)2 = SrCl2 + SrClO2 + H2O =>
3 Cl2 + 4 Sr(OH)2 = 2 SrCl2 + 2 SrClO2 + 4 H2O

Pb3N2 = Pb + N =>
Pb3N2 = 3 Pb + 2 N

Al + Cu = AlCu =>
Al + Cu = AlCu

Al(OH)3 + NaHCO3 = NaAlO2 + H2O + CO2 =>
Al(OH)3 + NaHCO3 = NaAlO2 + 2 H2O + CO2

P2O5 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
P2O5 + 3 Mg(OH)2 = Mg3(PO4)2 + 3 H2O

Na + HgO = NaO + Hg =>
Na + HgO = NaO + Hg

K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H4O =>
26 K4Fe(CN)6 + 242 KMnO4 + 627 H2SO4 = 346 KHSO4 + 13 Fe2(SO4)3 + 242 MnSO4 + 156 HNO3 + 156 CO2 + 188 H4O

C20H42(s) + O2(g) = CO(g) + H2O(g) =>
2 C20H42(s) + 41 O2(g) = 40 CO(g) + 42 H2O(g)

C10695H14492N100O2801S337 + H2O = CH2 + H2S + NH3 + CO2 =>
3 C10695H14492N100O2801S337 + 5071 H2O = 25348 CH2 + 1011 H2S + 300 NH3 + 6737 CO2

NaHCO3 + Ca(OH)2 = CaCO3 + H2O + NaOH =>
NaHCO3 + Ca(OH)2 = CaCO3 + H2O + NaOH

Fe + Al = FeAl3 =>
Fe + 3 Al = FeAl3

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