| Équations équilibrées la veille | Équations équilibrées le lendemain |
S + 2 H2SO4 = 2 H2O + 3 SO2
Na2WO4 + H2O = W + NaOH + O2 =>
2 Na2WO4 + 2 H2O = 2 W + 4 NaOH + 3 O2
Zn + CH3COOH = Zn(CH3COO) + H2 =>
2 Zn + 2 CH3COOH = 2 Zn(CH3COO) + H2
P + H2SO4 = H3PO4 + H2O + SO2 =>
2 P + 5 H2SO4 = 2 H3PO4 + 2 H2O + 5 SO2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C6H5NH3Cl + NaOH = NaCl + C6H5NH2 + H2O =>
C6H5NH3Cl + NaOH = NaCl + C6H5NH2 + H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
J2 + MnO2 + H2SO4 = HJO4 + MnSO4 + H2O =>
J2 + 7 MnO2 + 7 H2SO4 = 2 HJO4 + 7 MnSO4 + 6 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
(NH4)2SO4 + KOH = NH3 + K2SO4 + H2O =>
(NH4)2SO4 + 2 KOH = 2 NH3 + K2SO4 + 2 H2O
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C6H5NH3Cl + NaOH = NaCl + C6H5NH2 + H2O =>
C6H5NH3Cl + NaOH = NaCl + C6H5NH2 + H2O
HCl + Cr(NO3)2 + HgCl2 = CrCl3 + Hg2Cl2 + HNO3 =>
4 HCl + 2 Cr(NO3)2 + 2 HgCl2 = 2 CrCl3 + Hg2Cl2 + 4 HNO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Zn + H2SO4 = Zn(SO4)2 + H2O + SO2 =>
Zn + 4 H2SO4 = Zn(SO4)2 + 4 H2O + 2 SO2
Bi + HNO3 = Bi(NO3)3 + NO + H2O =>
Bi + 4 HNO3 = Bi(NO3)3 + NO + 2 H2O
Fe + Nb + C = FeNbC =>
Fe + Nb + C = FeNbC
Cu(NO3)2 + Na(OH) = Cu(OH) + Na(NO3)2 =>
Cu(NO3)2 + Na(OH) = Cu(OH) + Na(NO3)2
Br{-} + Cl2 = Cl{-} + Br2 =>
2 Br{-} + Cl2 = 2 Cl{-} + Br2
Cu(OH)2 + H3PO4 = Cu3(PO4)2 + H2O =>
3 Cu(OH)2 + 2 H3PO4 = Cu3(PO4)2 + 6 H2O
NaOH + MgCl2 = NaCl + Mg(OH)2 =>
2 NaOH + MgCl2 = 2 NaCl + Mg(OH)2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Fe2O3(s) + CO(g) = Fe(l) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
NO2 + H20 = HNO3 + NO =>
40 NO2 + H20 = 20 HNO3 + 20 NO
KCLO3 + KI + HCL = KCL + I2 + H2O =>
KCLO3 + 6 KI + 6 HCL = 7 KCL + 3 I2 + 3 H2O
H2SO4 + KOH = H2O + K2SO4 =>
H2SO4 + 2 KOH = 2 H2O + K2SO4
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
C6H9OH + O2 = CO2 + H2O =>
C6H9OH + 8 O2 = 6 CO2 + 5 H2O
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H20 =>
20 K2Cr2O7 + 35 H2S + 45 H2SO4 = 20 K2SO4 + 20 Cr2(SO4)3 + 8 H20
PBO + NaOH = Na2PBO2 + H2O =>
PBO + 2 NaOH = Na2PBO2 + H2O
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
NO2 + H20 = HNO3 + NO =>
40 NO2 + H20 = 20 HNO3 + 20 NO
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Ca + HNO3 = Ca(NO3)2 + NH3 + H2O =>
4 Ca + 9 HNO3 = 4 Ca(NO3)2 + NH3 + 3 H2O
K + I2 = KI =>
2 K + I2 = 2 KI
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Cu(NO3)2 + Na2(CO3) = Cu(CO3) + Na(NO3) =>
Cu(NO3)2 + Na2(CO3) = Cu(CO3) + 2 Na(NO3)
H2SO4 + KOH = H2O + K2SO4 =>
H2SO4 + 2 KOH = 2 H2O + K2SO4
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C2H7N + O2 = CO2 + N2 + H20 =>
20 C2H7N + 40 O2 = 40 CO2 + 10 N2 + 7 H20
NaNO2 + K2Cr2O7 + HCl = NaNO3 + KCl + CrCl3 + H2O =>
3 NaNO2 + K2Cr2O7 + 8 HCl = 3 NaNO3 + 2 KCl + 2 CrCl3 + 4 H2O
C2H7N + O2 = CO2 + N2 + H2O =>
4 C2H7N + 15 O2 = 8 CO2 + 2 N2 + 14 H2O
NaNO2 + K2Cr2O7 + HCl = NaNO3 + KCl + CrCl2 + H2O =>
4 NaNO2 + K2Cr2O7 + 6 HCl = 4 NaNO3 + 2 KCl + 2 CrCl2 + 3 H2O
CaCl2 + KOH = Ca(OH)2 + KCl =>
CaCl2 + 2 KOH = Ca(OH)2 + 2 KCl
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/18/15
Équations équilibrées sur05/18/14
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