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Équations chimiques équilibrées sur05/30/24

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Na2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
3 Na2S + 4 K2Cr2O7 + 16 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 3 Na2SO4 + 16 H2O

Ca(CH3COO)2 + Na2CO3 = CaCO3 + Na2(CH3COO)2 =>
Ca(CH3COO)2 + Na2CO3 = CaCO3 + Na2(CH3COO)2

C3H6O2 + H2O = HCOOH + C2H5OH =>
C3H6O2 + H2O = HCOOH + C2H5OH

HClO(aq) + NaOH(aq) = NaOCl(aq) + H2O(aq) =>
HClO(aq) + NaOH(aq) = NaOCl(aq) + H2O(aq)

C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O

Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O

MgCl2 + Na2CO3 = MgCO3 + Na2Cl2 =>
MgCl2 + Na2CO3 = MgCO3 + Na2Cl2

Nb + HNO3 = Nb(NO3)5 + N2O3 + H2O =>
4 Nb + 30 HNO3 = 4 Nb(NO3)5 + 5 N2O3 + 15 H2O

Hf + O = HfO2 =>
Hf + 2 O = HfO2

BaO + SiO2 = BaSiO3 =>
BaO + SiO2 = BaSiO3

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

K2SO4 + C = K2S + CO =>
K2SO4 + 4 C = K2S + 4 CO

(NH4)2CO3 + H2O2 + H2SO4 = (NH4)2SO4 + HCO3 + H2O =>
2(NH4)2CO3 + H2O2 + 2 H2SO4 = 2(NH4)2SO4 + 2 HCO3 + 2 H2O

HF(aq)AgNO3(aq) = HNO3(aq)AgF(s) =>
HF(aq)AgNO3(aq) = HNO3(aq)AgF(s)

Mg(NO3)2 + H2SO4 = MgSO4 + HNO3 =>
Mg(NO3)2 + H2SO4 = MgSO4 + 2 HNO3

Fe + PO3 = Fe2PO3 =>
2 Fe + PO3 = Fe2PO3

Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2

H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O

Li3PO4 + NaF = Na3PO4 + LiF =>
Li3PO4 + 3 NaF = Na3PO4 + 3 LiF

Zn + K2CO3 + H2O = ZnKHCO3 + KOH =>
Zn + K2CO3 + H2O = ZnKHCO3 + KOH

KBr + KOH = BrOH + K =>
KBr + KOH = BrOH + 2 K

Br2 + KClO3 = Cl2 + KBrO3 =>
Br2 + 2 KClO3 = Cl2 + 2 KBrO3

NaHCO3 + KOH = NaHOH + KCO3 =>
NaHCO3 + KOH = NaHOH + KCO3

HCO2H + C2H5OH = HCO2C2H5 + H2O =>
HCO2H + C2H5OH = HCO2C2H5 + H2O

C6H6 + K2Cr2O7 = K2Cr2O6 + C6H4 + H2O =>
C6H6 + K2Cr2O7 = K2Cr2O6 + C6H4 + H2O

Fe(PO3) + CuS = Fe2(S)3 + Cu3(PO3)2 =>
2 Fe(PO3) + 3 CuS = Fe2(S)3 + Cu3(PO3)2

P4 + H2O + KOH = PH5 + KH2PO4 =>
P4 + 6 H2O + 2 KOH = 2 PH5 + 2 KH2PO4

CrCl2 + NaOH = Cr(OH) + NaCl2 =>
CrCl2 + NaOH = Cr(OH) + NaCl2

C3H8 + O2 = O2H4 + C4 =>
4 C3H8 + 8 O2 = 8 O2H4 + 3 C4

NH4Cl + Na3O3H3 = NaCl + H2O + NH3 =>
3 NH4Cl + Na3O3H3 = 3 NaCl + 3 H2O + 3 NH3

CH3COOH + Ca(HCO3)2 = Ca(CH3COO)2 + H2O + CO2 =>
2 CH3COOH + Ca(HCO3)2 = Ca(CH3COO)2 + 2 H2O + 2 CO2

C6H5NHC6H5 + H2SO4 = [C6H5NH2C6H5]HSO4 =>
C6H5NHC6H5 + H2SO4 = [C6H5NH2C6H5]HSO4

Cu{+} + CO3{-2} = Cu2CO3 =>
2 Cu{+} + CO3{-2} = Cu2CO3

CH3CH(CH3)CHCH3 + Br2 = HBr + CH3CBr(CH3)CH(CH3)CH3 =>
6 CH3CH(CH3)CHCH3 + 3 Br2 = HBr + 5 CH3CBr(CH3)CH(CH3)CH3

CH3COOH + Ca(HCO3)2 = Ca(CH3COO)2 + H2O + CO2 =>
2 CH3COOH + Ca(HCO3)2 = Ca(CH3COO)2 + 2 H2O + 2 CO2

K2SO4 + Sr(NO3)2 = Sr(SO4) + KNO3 =>
K2SO4 + Sr(NO3)2 = Sr(SO4) + 2 KNO3

Li2CO3 + NH3 = CH4 + LiNO2 + H2O + Li =>
7 Li2CO3 + 10 NH3 = 7 CH4 + 10 LiNO2 + H2O + 4 Li

Ba(C2H3O2)2 + (NH4)2SO4 = BaSO4 + CH3COONH4 =>
Ba(C2H3O2)2 + (NH4)2SO4 = BaSO4 + 2 CH3COONH4

CH3CH(CH3)CHCH3 + Br2 = HBr + CH3CBr(CH3)CH(CH3)CH3 =>
6 CH3CH(CH3)CHCH3 + 3 Br2 = HBr + 5 CH3CBr(CH3)CH(CH3)CH3

RbCl + Na = Rb + NaCl =>
RbCl + Na = Rb + NaCl

NaOH + NH4Cl + AgCl = Ag(NH3)2Cl + NaCl + H2O =>
2 NaOH + 2 NH4Cl + AgCl = Ag(NH3)2Cl + 2 NaCl + 2 H2O

Mg3P2 + HNO3 = H3PO4 + MgO2 + NO2 + H2O =>
Mg3P2 + 22 HNO3 = 2 H3PO4 + 3 MgO2 + 22 NO2 + 8 H2O

OH + Cu = Cu(OH) =>
OH + Cu = Cu(OH)

NaHCO3 + K2SO4 = Na2SO4 + K2CO3 + H2O + CO2 =>
2 NaHCO3 + K2SO4 = Na2SO4 + K2CO3 + H2O + CO2

CaCO3(s) + HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 HCl(aq) = CaCl2(aq) + CO2(g) + H2O(l)

CuI + HNO3 = Cu(NO3)2 + I2 + NO2 + H2O =>
2 CuI + 8 HNO3 = 2 Cu(NO3)2 + I2 + 4 NO2 + 4 H2O

Zn(OH)2 + Pb = Pb(OH) + Zn =>
Zn(OH)2 + 2 Pb = 2 Pb(OH) + Zn

NBr3 + Ba(OH)2 = N2 + BrOH + BrBa =>
2 NBr3 + 2 Ba(OH)2 = N2 + 4 BrOH + 2 BrBa

C2O4{2-} + H{+} + MnO4{-} + } = CO2+H2O+Mn{2 + } =>
5 C2O4{2-} + 16 H{+} + 2 MnO4{-} + } = 10 CO2+8H2O+2Mn{2 + }

Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O

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