Équations équilibrées la veille |
2 Fe(s) + Cu(No3)2(aq) = 2 Fe(No3)(aq) + Cu(s)
HCOOH + O2 = CO2 + H2O =>
2 HCOOH + O2 = 2 CO2 + 2 H2O
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
H2OCuSO4 = H2O + CuSO4 =>
H2OCuSO4 = H2O + CuSO4
NaOH(aq) + Al2(SO4)3 = Al(OH)3 + Na2SO4 =>
6 NaOH(aq) + Al2(SO4)3 = 2 Al(OH)3 + 3 Na2SO4
Ba(HSO4)2 = Ba + H2O + SO2 + O2 =>
2 Ba(HSO4)2 = 2 Ba + 2 H2O + 4 SO2 + 3 O2
Na3Po4 + ZnSO4 = Na2SO4 + Zn3(Po4)2 =>
2 Na3Po4 + 3 ZnSO4 = 3 Na2SO4 + Zn3(Po4)2
PbS + O2 = Pb + SO2 =>
PbS + O2 = Pb + SO2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C6H8O7 + NaHCO3 + H2O = NaH11C7O11 =>
C6H8O7 + NaHCO3 + H2O = NaH11C7O11
Na + HNO3 = NaNO3 + H =>
Na + HNO3 = NaNO3 + H
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
HClO4(aq) + P4O10(aq) = H3PO4(aq) + Cl2O7(aq) =>
12 HClO4(aq) + P4O10(aq) = 4 H3PO4(aq) + 6 Cl2O7(aq)
S + NaOH = Na2S + Na2SO3 + H2O =>
3 S + 6 NaOH = 2 Na2S + Na2SO3 + 3 H2O
Fe(OH) = Fe2O + H2O =>
2 Fe(OH) = Fe2O + H2O
Zn(s) + Cl2 = ZnCl2(s) =>
Zn(s) + Cl2 = ZnCl2(s)
AlBr = Al3 + Br2 =>
6 AlBr = 2 Al3 + 3 Br2
CH4 + Cl2 = CH3Cl + HCl2 =>
2 CH4 + 3 Cl2 = 2 CH3Cl + 2 HCl2
ZnS + ZnO = SO2 + Zn =>
ZnS + 2 ZnO = SO2 + 3 Zn
NH4OH + HCl = NH4Cl + H2O =>
NH4OH + HCl = NH4Cl + H2O
N2H4 + H2O = N2H5{+} + OH({-}) =>
N2H4 + H2O = N2H5{+} + OH({-})
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
KF + Ca = CaF + K =>
KF + Ca = CaF + K
FeSO3 + HCl = FeCl2 + H2S + O4 =>
4 FeSO3 + 8 HCl = 4 FeCl2 + 4 H2S + 3 O4
FeO + C = Fe + CO =>
FeO + C = Fe + CO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ba + HgCl2 = Hg + BaCl2 =>
Ba + HgCl2 = Hg + BaCl2
H2O + KMnO4 + NaCl = KOH + MnO2 + Cl2 + NaOH =>
4 H2O + 2 KMnO4 + 6 NaCl = 2 KOH + 2 MnO2 + 3 Cl2 + 6 NaOH
K2Cr2O7 + NH4OH + H2SO4 = K2SO4 + Cr2(SO4)3 + N2 + H2O =>
K2Cr2O7 + 2 NH4OH + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + N2 + 9 H2O
Na2Cr2O7 + Cu + NaBr + H2O = NaOH + Cr2O3 + CuBr =>
Na2Cr2O7 + 6 Cu + 6 NaBr + 4 H2O = 8 NaOH + Cr2O3 + 6 CuBr
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
I2 + Na2SO3 + H2SO4 = NaIO3 + S + H2O =>
I2 + Na2SO3 + H2SO4 = 2 NaIO3 + 2 S + H2O
H3PO3 + Mg(HCO3)2 = Mg3(PO3)2 + CO2 + H2O =>
2 H3PO3 + 3 Mg(HCO3)2 = Mg3(PO3)2 + 6 CO2 + 6 H2O
C3H5(OH) + Cl2 = C3H5 + HCl + CO2 =>
12 C3H5(OH) + 11 Cl2 = 10 C3H5 + 22 HCl + 6 CO2
Cr2O7K2 + HCl = KCl + CrCl3 + H2O + Cl2 =>
Cr2O7K2 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
H2 + OH = H2O =>
H2 + 2 OH = 2 H2O
Li(s) + H3PO4(aq) = H2(g) + Li3PO4 =>
6 Li(s) + 2 H3PO4(aq) = 3 H2(g) + 2 Li3PO4
Cr2(SO4)3 + Zn + HCl = CrSO4 + ZnCl2 + H2SO4 =>
Cr2(SO4)3 + Zn + 2 HCl = 2 CrSO4 + ZnCl2 + H2SO4
AgNO3(aq) + Na3P(aq) = Ag3P + NaNO3 =>
3 AgNO3(aq) + Na3P(aq) = Ag3P + 3 NaNO3
O2 = O3 =>
3 O2 = 2 O3
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
SO + H2O = H2SO2 =>
SO + H2O = H2SO2
PbO2 + HCl + NH4Cl = (NH4)2[PbCl6] + H2O =>
PbO2 + 4 HCl + 2 NH4Cl = (NH4)2[PbCl6] + 2 H2O
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
H8 = H =>
H8 = 8 H
C3H4N3O9 = CO2 + NO + N2 + H2O =>
C3H4N3O9 = 3 CO2 + NO + N2 + 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
MgCO3 + H3PO4 = Mg3(PO4)2 + H2O + CO2 =>
3 MgCO3 + 2 H3PO4 = Mg3(PO4)2 + 3 H2O + 3 CO2
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