| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 K2MnO4 + 2 H2SO4 = 2 KMnO4 + MnO2 + 2 K2SO4 + 2 H2O
O2 + CuFeS2 = CuS + FeO + SO2 =>
3 O2 + 2 CuFeS2 = 2 CuS + 2 FeO + 2 SO2
Na2SO4 + KCl = K2SO4 + NaCl =>
Na2SO4 + 2 KCl = K2SO4 + 2 NaCl
HgO = Hg + O21 =>
21 HgO = 21 Hg + O21
SiO2 + C = CSi + CO =>
SiO2 + 3 C = CSi + 2 CO
I3 + H2 = IH2 =>
I3 + 3 H2 = 3 IH2
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
I3 + H2 = IH2 =>
I3 + 3 H2 = 3 IH2
O2 + HBr = H2O + Br2 =>
O2 + 4 HBr = 2 H2O + 2 Br2
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
NH4OH + O2 = HNO2 + H2O =>
2 NH4OH + 3 O2 = 2 HNO2 + 4 H2O
Sn + HCl = SnCl4 + H =>
Sn + 4 HCl = SnCl4 + 4 H
CrCl3 + Na2O2 + NaOH = Na2CrO4 + NaCl + H2O =>
2 CrCl3 + 3 Na2O2 + 4 NaOH = 2 Na2CrO4 + 6 NaCl + 2 H2O
K2O + H2O = K(OH) =>
K2O + H2O = 2 K(OH)
K2Cr2O7 + KI + HCl = KCl + CrCl3 + I + H2O =>
K2Cr2O7 + 6 KI + 14 HCl = 8 KCl + 2 CrCl3 + 6 I + 7 H2O
K2O + H2O = K2(OH)2 =>
K2O + H2O = K2(OH)2
C2H6 + O2 = CO2 + H20 =>
10 C2H6 + 20 O2 = 20 CO2 + 3 H20
K2Cr2O7 + HCl = CrCl3 + Cl2 + KCl + H2O =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 Cl2 + 2 KCl + 7 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NH4OH + O2 = HNO2 + H2O =>
2 NH4OH + 3 O2 = 2 HNO2 + 4 H2O
H3PO3 + K2Cr2O7 + H2SO4 = H3PO4 + K2SO4 + Cr2(SO4)2 + H2O =>
4 H3PO3 + K2Cr2O7 + 3 H2SO4 = 4 H3PO4 + K2SO4 + Cr2(SO4)2 + 3 H2O
Cr + H2So4 = Cr2(So4)3 + H2 =>
2 Cr + 3 H2So4 = Cr2(So4)3 + 3 H2
Cu + HNO3 = Cu(NO3)2 + N2O + H2O =>
4 Cu + 10 HNO3 = 4 Cu(NO3)2 + N2O + 5 H2O
HNO3 + CU = CU(NO3)2 + NO + H2O =>
8 HNO3 + 3 CU = 3 CU(NO3)2 + 2 NO + 4 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Al(NO3)3 = Al2O3 + NO2 + O2 =>
4 Al(NO3)3 = 2 Al2O3 + 12 NO2 + 3 O2
CrBr3 + H2O2 + KOH = K2CrO4 + KBr + H2O =>
2 CrBr3 + 3 H2O2 + 10 KOH = 2 K2CrO4 + 6 KBr + 8 H2O
I2 + H2 = IH2 =>
I2 + 2 H2 = 2 IH2
Na2SO4 + Pb(NO3)2 = NaNO3 + PbSO4 =>
Na2SO4 + Pb(NO3)2 = 2 NaNO3 + PbSO4
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
H2Cl + Mg = MgCl2 + H2 =>
2 H2Cl + Mg = MgCl2 + 2 H2
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
Zn + H2S2O7 = Zn2S2O7 + H2S + H2O =>
16 Zn + 9 H2S2O7 = 8 Zn2S2O7 + 2 H2S + 7 H2O
F2 + H2O = HF + O2 =>
2 F2 + 2 H2O = 4 HF + O2
Na2SO4 + LiBr = Na2Br2 + Li2SO4 =>
Na2SO4 + 2 LiBr = Na2Br2 + Li2SO4
I6 + H2 = IH2 =>
I6 + 6 H2 = 6 IH2
NH3 + H2SO4 = NH4 + HSO4 =>
NH3 + H2SO4 = NH4 + HSO4
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
C2 + H4 = C2H4 =>
C2 + H4 = C2H4
BaCl2 + H2SiO3 = BaSiO3 + HCl =>
BaCl2 + H2SiO3 = BaSiO3 + 2 HCl
HF + OH{-} = F{-} + H2O =>
HF + OH{-} = F{-} + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
TiOSO4 + NaOH = TiO2 + Na2SO4 + H2O =>
TiOSO4 + 2 NaOH = TiO2 + Na2SO4 + H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C11H17N5O2 + O2 = CO2 + H2O + N2 =>
4 C11H17N5O2 + 57 O2 = 44 CO2 + 34 H2O + 10 N2
H2SO4 + KOH = H2O + K2SO4 =>
H2SO4 + 2 KOH = 2 H2O + K2SO4
H2 + Br2 = HBr2 =>
H2 + 2 Br2 = 2 HBr2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/04/14
Équations équilibrées sur12/04/13
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