| Équations équilibrées la veille | Équations équilibrées le lendemain |
5 H2SO4 + 4 Cu = 4 CuSO4 + H2S + 4 H2O
XS + XH2SO4 + O2 = XSSO4 + XH2O =>
2 XS + 2 XH2SO4 + O2 = 2 XSSO4 + 2 XH2O
H2SO4 + Li2CO3 = Li2SO4 + H2O + CO2 =>
H2SO4 + Li2CO3 = Li2SO4 + H2O + CO2
As + HNO3 + H2 = H3AsO4 + NO =>
2 As + 4 HNO3 + H2 = 2 H3AsO4 + 4 NO
HBr + (NH4)2SO3 = H2O + SO2 + BrNH4 =>
2 HBr + (NH4)2SO3 = H2O + SO2 + 2 BrNH4
Mg + AlCl3 = Al + MgCl2 =>
3 Mg + 2 AlCl3 = 2 Al + 3 MgCl2
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
H3PO4 + RbOH = H2O + Rb3PO4 =>
H3PO4 + 3 RbOH = 3 H2O + Rb3PO4
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
CH4 + F2 = CF4 + HF =>
CH4 + 4 F2 = CF4 + 4 HF
AgNO3(aq) + Na2CO3(aq) = Ag2CO3(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2CO3(aq) = Ag2CO3(s) + 2 NaNO3(aq)
HCl + NaHCO3 = H2O + NaCl + CO2 =>
HCl + NaHCO3 = H2O + NaCl + CO2
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + KHSO3 + MnSO4 + H2O =>
14 FeSO4 + 2 KMnO4 + 11 H2SO4 = 7 Fe2(SO4)3 + 2 KHSO3 + 2 MnSO4 + 10 H2O
NH3 + NO2 = H2O + N2 =>
8 NH3 + 6 NO2 = 12 H2O + 7 N2
AgNO3(aq) + LiOH(aq) = AgOH(s) + LiNO3(aq) =>
AgNO3(aq) + LiOH(aq) = AgOH(s) + LiNO3(aq)
CH3COONa + NaOH = CH4 + Na2CO3 =>
CH3COONa + NaOH = CH4 + Na2CO3
H2S + NO3{-} + H{+} = S + NO + H2O =>
3 H2S + 2 NO3{-} + 2 H{+} = 3 S + 2 NO + 4 H2O
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
C2H4 + H2O = C2H6O =>
C2H4 + H2O = C2H6O
Fe(NO3)3 + Zn = ZnNO3 + Fe =>
Fe(NO3)3 + 3 Zn = 3 ZnNO3 + Fe
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
O2 + C25H52 = CO2 + H2O =>
38 O2 + C25H52 = 25 CO2 + 26 H2O
Cr2O7{2-} + I{-} + H{+} = Cr3{+} + I2 + H2O =>
3 Cr2O7{2-} + 34 I{-} + 42 H{+} = 2 Cr3{+} + 17 I2 + 21 H2O
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2C204 + K2MnO4 = CO2 + K2O + Mn2O3 + H20 =>
10 H2C204 + 2720 K2MnO4 = 2040 CO2 + 2720 K2O + 1360 Mn2O3 + H20
KMnO4 + H2SO4 + KI = MnSO4 + I2 + K2SO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 KI = 2 MnSO4 + 5 I2 + 6 K2SO4 + 8 H2O
H2C2042 + K2MnO4 = CO2 + K2O + Mn2O3 + H20 =>
30 H2C2042 + 81680 K2MnO4 = 61260 CO2 + 81680 K2O + 40840 Mn2O3 + 3 H20
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
Cr2O7{2-} + I{-} + H{+} = Cr{3+} + I2 + H2O =>
Cr2O7{2-} + 6 I{-} + 14 H{+} = 2 Cr{3+} + 3 I2 + 7 H2O
O3 = O2 =>
2 O3 = 3 O2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
BiCl3 + H2O = BiOCl + HCl =>
BiCl3 + H2O = BiOCl + 2 HCl
Cl2 + NaOH = NaClO + NaCl + H2O =>
Cl2 + 2 NaOH = NaClO + NaCl + H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu2O + Cu2S = Cu + SO2 =>
2 Cu2O + Cu2S = 6 Cu + SO2
Xe + F2 = XeF4 =>
Xe + 2 F2 = XeF4
C2H4 + O2 = C2H4O =>
2 C2H4 + O2 = 2 C2H4O
HBr + H2SO4 = H2O + SO2 + Br2 =>
2 HBr + H2SO4 = 2 H2O + SO2 + Br2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
C2H4O + H2O = HOC2H4OH =>
C2H4O + H2O = HOC2H4OH
K2Cr2O7 + FeSO4 + H2SO4 = K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = K2SO4 + 3 Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O
NH4HCO3 = NH3 + H2O + CO2 =>
NH4HCO3 = NH3 + H2O + CO2
C + H2SO4 = CO2 + SO2 + H2O =>
C + 2 H2SO4 = CO2 + 2 SO2 + 2 H2O
NaBr + Pb(NO3)2 = NaNO3 + PbBr2 =>
2 NaBr + Pb(NO3)2 = 2 NaNO3 + PbBr2
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/09/13
Équations équilibrées sur04/08/12
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