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Équations chimiques équilibrées sur04/05/14

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AlHg + H2O = Al(OH)3 + Hg + H2 =>
2 AlHg + 6 H2O = 2 Al(OH)3 + 2 Hg + 3 H2

Cr2O7{-2} + H{+} + I{-} = Cr{+3} + H2O + I2 =>
Cr2O7{-2} + 14 H{+} + 6 I{-} = 2 Cr{+3} + 7 H2O + 3 I2

FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2

CoSO4 + NaOH + NaBrO = Co2O3 + NaBr + Na2SO4 + H2O =>
2 CoSO4 + 4 NaOH + NaBrO = Co2O3 + NaBr + 2 Na2SO4 + 2 H2O

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

C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O

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

Cr2O3 + H2SO4 = Cr2(SO4)3 + H2O =>
Cr2O3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2O

La(NO3)3*6H2O + Sr(NO3)2 + Mn(NO3)2*4H2O + Cu(NO3)2*3H2O + NH2CONH2 = La67Sr33Mn90Cu10O3 + N2 + H2O + CO2 =>
134 La(NO3)3*6H2O + 66 Sr(NO3)2 + 180 Mn(NO3)2*4H2O + 20 Cu(NO3)2*3H2O + 932 NH2CONH2 = 2 La67Sr33Mn90Cu10O3 + 1399 N2 + 3448 H2O + 932 CO2

K + H2O = H2 + KOH =>
2 K + 2 H2O = H2 + 2 KOH

C5H12O2(l) + O2(g) = CO2(g) + H2O(l) =>
C5H12O2(l) + 7 O2(g) = 5 CO2(g) + 6 H2O(l)

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

CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O

H2S + HNO3 = S + NO2 + H2O =>
H2S + 2 HNO3 = S + 2 NO2 + 2 H2O

CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4

CO2 + C = CO =>
CO2 + C = 2 CO

CH3CH(OH)CH3 + KMnO4 + H2SO4 = CH3C(O)CH3 + MnSO4 + K2SO4 + H2O =>
5 CH3CH(OH)CH3 + 2 KMnO4 + 3 H2SO4 = 5 CH3C(O)CH3 + 2 MnSO4 + K2SO4 + 8 H2O

CoSO4 + NaOH + NaBrO = Co2O3 + NaBr + Na2SO4 + H2O =>
2 CoSO4 + 4 NaOH + NaBrO = Co2O3 + NaBr + 2 Na2SO4 + 2 H2O

H2SO4 + NAOH = NAHSO4 + H2O =>
H2SO4 + NAOH = NAHSO4 + H2O

Sr(OH)2 + FeCl3 = SrCl2 + Fe(OH)3 =>
3 Sr(OH)2 + 2 FeCl3 = 3 SrCl2 + 2 Fe(OH)3

CaF2 + SiO2 + H2SO4 = CaSO4 + SiF4 + H2O =>
2 CaF2 + SiO2 + 2 H2SO4 = 2 CaSO4 + SiF4 + 2 H2O

HNO3 + H2S = NO2 + S + H2O =>
2 HNO3 + H2S = 2 NO2 + S + 2 H2O

HNO3 + H2S = NO + H2O + S =>
2 HNO3 + 3 H2S = 2 NO + 4 H2O + 3 S

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

Al2O3 + KOH = KAlO2 + H2O =>
Al2O3 + 2 KOH = 2 KAlO2 + H2O

C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O

C8H17OH + MnO4{-} + H{+} = C7H15COOH + Mn{2+} + H2O =>
5 C8H17OH + 4 MnO4{-} + 12 H{+} = 5 C7H15COOH + 4 Mn{2+} + 11 H2O

FeSO4 + NaOH + NaBrO + H2O = Fe(OH)3 + NaBr + Na2SO4 =>
2 FeSO4 + 4 NaOH + NaBrO + H2O = 2 Fe(OH)3 + NaBr + 2 Na2SO4

Br2 + S + H2O = HBr + H2SO4 =>
3 Br2 + S + 4 H2O = 6 HBr + H2SO4

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

Na + H2O = NaOH + H =>
Na + H2O = NaOH + H

CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2

C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O

PbNO3 + NaCl = PbCl + NaNO3 =>
PbNO3 + NaCl = PbCl + NaNO3

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

La(NO3)3*6H2O + Sr(NO3)2 + Mn(NO3)2*4H2O + Cu(NO3)2*3H2O + NH2CONH2 = La67Sr33Mn90Cu10O3 + N2 + H2O + CO2 =>
134 La(NO3)3*6H2O + 66 Sr(NO3)2 + 180 Mn(NO3)2*4H2O + 20 Cu(NO3)2*3H2O + 932 NH2CONH2 = 2 La67Sr33Mn90Cu10O3 + 1399 N2 + 3448 H2O + 932 CO2

Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2

P4 + Cl3 = PCl3 =>
P4 + 4 Cl3 = 4 PCl3

P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3

CuSo4(aq) + Fe(s) = Fe2(So4)3(aq) + Cu(s) =>
3 CuSo4(aq) + 2 Fe(s) = Fe2(So4)3(aq) + 3 Cu(s)

La(NO3)3*6H2O + Sr(NO3)2 + Mn(NO3)2*4H2O + Cu(NO3)2*3H2O + NH2CONH2 = La067Sr033Mn090Cu010O3 + N2 + H2O + CO2 =>
134 La(NO3)3*6H2O + 66 Sr(NO3)2 + 180 Mn(NO3)2*4H2O + 20 Cu(NO3)2*3H2O + 932 NH2CONH2 = 2 La067Sr033Mn090Cu010O3 + 1399 N2 + 3448 H2O + 932 CO2

KMnO4 + H2S + HCl = MnCl2 + SO2 + KCl + H2O =>
6 KMnO4 + 5 H2S + 18 HCl = 6 MnCl2 + 5 SO2 + 6 KCl + 14 H2O

Fe(s)CuSo4(aq) = FeSo4(aq) + Cu(s) =>
Fe(s)CuSo4(aq) = FeSo4(aq) + Cu(s)

Cr2O7{2-} + H2O2 + H{+} = CrO5 + H2O =>
Cr2O7{2-} + 4 H2O2 + 2 H{+} = 2 CrO5 + 5 H2O

KMnO4 + H2S + HCl = MnCl2 + S + KCl + H2O =>
2 KMnO4 + 5 H2S + 6 HCl = 2 MnCl2 + 5 S + 2 KCl + 8 H2O

Fe + O2 = FeO3 =>
2 Fe + 3 O2 = 2 FeO3

Sb2O3 + NaOH = Na3SbO3 + H2O =>
Sb2O3 + 6 NaOH = 2 Na3SbO3 + 3 H2O

Na2CO3 + CuCl2 = CuCO3 + NaCl =>
Na2CO3 + CuCl2 = CuCO3 + 2 NaCl

CH3COOH + O2 = H2O + CO2 =>
CH3COOH + 2 O2 = 2 H2O + 2 CO2

Ca(OH)2 + (NH4)2SO4 = CaSO4 + H2O + NH3 =>
Ca(OH)2 + (NH4)2SO4 = CaSO4 + 2 H2O + 2 NH3

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