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Équations chimiques équilibrées sur10/24/13

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Zn + H3PO4 = Zn3(PO4)2 + H2 =>
3 Zn + 2 H3PO4 = Zn3(PO4)2 + 3 H2

C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O

H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O

H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O

NaOH + H2O = NaOH3 + O2 =>
2 NaOH + 2 H2O = 2 NaOH3 + O2

H2SO4 + Fe(OH)3 = Fe2(SO4)3 + H2O =>
3 H2SO4 + 2 Fe(OH)3 = Fe2(SO4)3 + 6 H2O

Ca(HCO3)2 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 Ca(HCO3)2 + 2 H3PO4 = Ca3(PO4)2 + 6 CO2 + 6 H2O

NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O

CH3CH2OH + O2 = CH3CHO2 + H2O =>
CH3CH2OH + O2 = CH3CHO2 + H2O

WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O

Ca(HCO3)2 = CaCO3 + CO2 + H2O =>
Ca(HCO3)2 = CaCO3 + CO2 + H2O

Al + Br = AlBr =>
Al + Br = AlBr

CH3CH2OH + O2 = CH3COOH + H2O =>
CH3CH2OH + O2 = CH3COOH + H2O

Cr2(SO4)3 + Br2 + NaOH = Na2CrO4 + NaBr + Na2SO4 + H2O =>
Cr2(SO4)3 + 3 Br2 + 16 NaOH = 2 Na2CrO4 + 6 NaBr + 3 Na2SO4 + 8 H2O

H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O

Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O

Mg + Sn(NO3)2 = Mg(NO3)2 + Sn =>
Mg + Sn(NO3)2 = Mg(NO3)2 + Sn

ZnO + H2SO4 = ZnSO4 + H2O =>
ZnO + H2SO4 = ZnSO4 + H2O

K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO

C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O

KMnO4 + Na2SO3 + KOH = K2MnO4 + Na2SO4 + H2O =>
2 KMnO4 + Na2SO3 + 2 KOH = 2 K2MnO4 + Na2SO4 + H2O

NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O

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

P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4

C3H4 + N2Cl4 = H2 + CCl3 + N2 =>
4 C3H4 + 9 N2Cl4 = 8 H2 + 12 CCl3 + 9 N2

H2S + Sc(OH)3 = Sc2S3 + H2O =>
3 H2S + 2 Sc(OH)3 = Sc2S3 + 6 H2O

H2S + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
3 H2S + 4 K2Cr2O7 + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O

C3H4 + N2Cl4 = H2 + CCl4 + N2 =>
C3H4 + 3 N2Cl4 = 2 H2 + 3 CCl4 + 3 N2

K + Cr + O2 = K2Cr2O7 =>
4 K + 4 Cr + 7 O2 = 2 K2Cr2O7

Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O

CH4 + N2Cl4 = H2 + CCl4 + N2 =>
CH4 + N2Cl4 = 2 H2 + CCl4 + N2

H2S + Sc(OH)3 = Sc2S3 + H2O =>
3 H2S + 2 Sc(OH)3 = Sc2S3 + 6 H2O

NO + O2 = NO2 =>
2 NO + O2 = 2 NO2

C7H12 + O2 = H2O + CO2 =>
C7H12 + 10 O2 = 6 H2O + 7 CO2

C7H16 + O2 = H2O + CO2 =>
C7H16 + 11 O2 = 8 H2O + 7 CO2

Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2

HCl + As2O3 + NaNO3 + H2O = NO + H3AsO4 + NaCl =>
4 HCl + 3 As2O3 + 4 NaNO3 + 7 H2O = 4 NO + 6 H3AsO4 + 4 NaCl

WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O

H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O

Cr + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr + 3 KNO3 + 2 KOH = K2CrO4 + 3 KNO2 + H2O

Fe2O3 + CO = CO2 + Fe =>
Fe2O3 + 3 CO = 3 CO2 + 2 Fe

AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3

H3PO4 + NH3 = (NH4)3(PO4) =>
H3PO4 + 3 NH3 = (NH4)3(PO4)

Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2

C3H8 + O2 = H2O + CO2 =>
C3H8 + 5 O2 = 4 H2O + 3 CO2

Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe

C + H2 + O2 = C6H12O6 =>
6 C + 6 H2 + 3 O2 = C6H12O6

FeCl2 + KMnO4 + HCl = FeCl3 + MnCl2 + H2O + KCl =>
5 FeCl2 + KMnO4 + 8 HCl = 5 FeCl3 + MnCl2 + 4 H2O + KCl

Sn + CrBr3 = Cr + SnBr4 =>
3 Sn + 4 CrBr3 = 4 Cr + 3 SnBr4

As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2

1 2 3 4 5 6 7 8 9
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