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Équations chimiques équilibrées sur01/30/25

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Na2SO4 + Al(SO4)3 = NaSO4 + AlSO4 =>
2 Na2SO4 + Al(SO4)3 = 4 NaSO4 + AlSO4

C3H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N3O9 = 12 CO2 + 10 H2O + 6 N2 + O2

NaCl + H2SO2 = Na2SO2 + HCl =>
2 NaCl + H2SO2 = Na2SO2 + 2 HCl

Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe

Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2

Ni2(CO3)3 = Ni3 + (CO3)2 =>
6 Ni2(CO3)3 = 4 Ni3 + 9(CO3)2

H2Cr2O7 + KI + H2O = CrI3 + I2 + KOH =>
H2Cr2O7 + 12 KI + 5 H2O = 2 CrI3 + 3 I2 + 12 KOH

AgOH + NH3 = Ag(NH3)2OH =>
AgOH + 2 NH3 = Ag(NH3)2OH

Br2(I) + NaI(s) = NaBr(s) + I2(s) =>
2 Br2(I) + 4 NaI(s) = 4 NaBr(s) + 3 I2(s)

Cu3(PO4)2 + Al = AlPO4 + Cu3 =>
Cu3(PO4)2 + 2 Al = 2 AlPO4 + Cu3

HI + K2O = H2O + KI =>
2 HI + K2O = H2O + 2 KI

HNO3 + HS = NO + S + H2O =>
HNO3 + 3 HS = NO + 3 S + 2 H2O

La1000(N1000O3000)3*6H2000O1000 + Ca1000(N1000O3000)2*4H2000O1000 + Ni1000(N1000O3000)2*6H2000O1000 + Fe1000(N1000O3000)3*9H2000O1000 = La950Ca50Ni750Fe250O3000 + N1000O1000 + O2000 + H2000O1000 =>
19 La1000(N1000O3000)3*6H2000O1000 + Ca1000(N1000O3000)2*4H2000O1000 + 15 Ni1000(N1000O3000)2*6H2000O1000 + 5 Fe1000(N1000O3000)3*9H2000O1000 = 20 La950Ca50Ni750Fe250O3000 + 104 N1000O1000 + 74 O2000 + 253 H2000O1000

Sb2SO4H2OC2H6O + H2O = Sb2SO4H2OC2H6OH2O =>
Sb2SO4H2OC2H6O + H2O = Sb2SO4H2OC2H6OH2O

C4H9CH + O2 = CO2 + H2O =>
2 C4H9CH + 15 O2 = 10 CO2 + 10 H2O

H3C6H3O7 + Na2CO3 = H2O + Na3C6H5O2 + CO2 =>
7 H3C6H3O7 + 6 Na2CO3 = 11 H2O + 4 Na3C6H5O2 + 24 CO2

Mg(NO3)2 + AlPO4 = Mg3(PO4)2 + Al(NO3)3 =>
3 Mg(NO3)2 + 2 AlPO4 = Mg3(PO4)2 + 2 Al(NO3)3

Na2Zn(OH)4 + HCl = NaCl + ZnO + H2O =>
Na2Zn(OH)4 + 2 HCl = 2 NaCl + ZnO + 3 H2O

Fr + H2 = H2Fr =>
Fr + H2 = H2Fr

K + H2S = K2S + H2 =>
2 K + H2S = K2S + H2

Sb2S3 + O2 = Sb2O3 + SO2 =>
2 Sb2S3 + 9 O2 = 2 Sb2O3 + 6 SO2

LiBr + BaSO4 = BaBr2 + Li2SO4 =>
2 LiBr + BaSO4 = BaBr2 + Li2SO4

KI + KOH = KIKOH =>
KI + KOH = KIKOH

K2Cr2O7 + CH3COOH = CH3COOK + (CH3COO)2Cr + O + H2O =>
K2Cr2O7 + 6 CH3COOH = 2 CH3COOK + 2(CH3COO)2Cr + 4 O + 3 H2O

AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2

KMnO4 + NCl + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O + N2SO4 =>
2 KMnO4 + 10 NCl + 8 H2SO4 = 5 Cl2 + K2SO4 + 2 MnSO4 + 8 H2O + 5 N2SO4

HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2

Ca + H2O = CaO + H2 =>
Ca + H2O = CaO + H2

C + N + K = KCN =>
C + N + K = KCN

P + O2 = P2O3(s) =>
4 P + 3 O2 = 2 P2O3(s)

CH3COOH + Na2CO3 = CH3COONa + H2CO3 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2CO3

C3H4O + NH3 = C6H7N + H2O =>
2 C3H4O + NH3 = C6H7N + 2 H2O

CH3COOH + HNO3 = CO2 + H2O + NO2 =>
CH3COOH + 8 HNO3 = 2 CO2 + 6 H2O + 8 NO2

MgCO3 + Na3PO4 = (Mg3(PO4)2) + (Na2CO3) =>
3 MgCO3 + 2 Na3PO4 = (Mg3(PO4)2) + 3(Na2CO3)

BaCl2(aq) + HCl(aq) = BaCl + HCl2 =>
BaCl2(aq) + HCl(aq) = BaCl + HCl2

Cr(OH)3 + NaOH = Na3Cr(OH)6 =>
Cr(OH)3 + 3 NaOH = Na3Cr(OH)6

NiO + B2O3 + Mg = NiB + MgO =>
2 NiO + B2O3 + 5 Mg = 2 NiB + 5 MgO

Pb + FeSO = PbSO + Fe =>
Pb + FeSO = PbSO + Fe

Fe(OH)3 + CO2 = Fe2(CO3)3 + H2O =>
2 Fe(OH)3 + 3 CO2 = Fe2(CO3)3 + 3 H2O

K2Cr2O7 + KBr + H2SO4 = Br + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 KBr + 7 H2SO4 = 6 Br + Cr2(SO4)3 + 4 K2SO4 + 7 H2O

CO + HCl = COHCl =>
CO + HCl = COHCl

CH3CH2CH2CH2OH + Cr2O7 = CH3CH2CH2COH + Cr3 + H2O =>
21 CH3CH2CH2CH2OH + 3 Cr2O7 = 21 CH3CH2CH2COH + 2 Cr3 + 21 H2O

Ni(NO3)2 + NH4OH = NH4(NO3) + Ni(OH)2 =>
Ni(NO3)2 + 2 NH4OH = 2 NH4(NO3) + Ni(OH)2

KCl + CuSO4 + H2O = K2Cu(SO4)2*6H2O + CuCl2 =>
2 KCl + 2 CuSO4 + 6 H2O = K2Cu(SO4)2*6H2O + CuCl2

MnO2 + HCl = HMnO2 + Cl2 =>
2 MnO2 + 2 HCl = 2 HMnO2 + Cl2

NaHCO3(s) + HCH3COO(aq) = NaCH3COO + HHCO3 =>
NaHCO3(s) + HCH3COO(aq) = NaCH3COO + HHCO3

H2SO4 + Ca(OH)2 = Ca(HSO4)2 + H2O =>
2 H2SO4 + Ca(OH)2 = Ca(HSO4)2 + 2 H2O

Cl2(aq) + CaI2(aq) = CaCl2(aq) + I2(s) =>
Cl2(aq) + CaI2(aq) = CaCl2(aq) + I2(s)

Cl2O7 + KOH = KClO4 + H2O =>
Cl2O7 + 2 KOH = 2 KClO4 + H2O

K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe(SO4)5 + MnSO4 + HNO3 + CO2 + H2O =>
5 K4Fe(CN)6 + 68 KMnO4 + 181 H2SO4 = 88 KHSO4 + 5 Fe(SO4)5 + 68 MnSO4 + 30 HNO3 + 30 CO2 + 122 H2O

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