| Équations équilibrées la veille | Équations équilibrées le lendemain |
9 H2S + 3 K2Cr2O7 + 8 H3PO4 = 9 S + 6 CrPO4 + 2 K3PO4 + 21 H2O
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
SO2 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
3 SO2 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Fe + Cl2 = FeCl2 =>
Fe + Cl2 = FeCl2
C4O6H6 + NaOH = Na6C4O6 + H2O =>
C4O6H6 + 6 NaOH = Na6C4O6 + 6 H2O
Ag2S + HNO3 = AgNO3 + NO + S + H2O =>
3 Ag2S + 8 HNO3 = 6 AgNO3 + 2 NO + 3 S + 4 H2O
NH3 + O2 = HNO3 + H2O =>
NH3 + 2 O2 = HNO3 + H2O
LiAlH4 = LiH + Al + H2 =>
2 LiAlH4 = 2 LiH + 2 Al + 3 H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Zn(s) + O2(g) = Zn2O3(s) =>
4 Zn(s) + 3 O2(g) = 2 Zn2O3(s)
KI + Br2 = KBr + I2 =>
2 KI + Br2 = 2 KBr + I2
Pb(s) + O2(g) = Pb2O3(s) =>
4 Pb(s) + 3 O2(g) = 2 Pb2O3(s)
H2O + CH4 = CO + H2 =>
H2O + CH4 = CO + 3 H2
NaCl + H2SO4 = HCl + Na2SO4 =>
2 NaCl + H2SO4 = 2 HCl + Na2SO4
C18H30O2 + O2 = CO3 + H2O =>
2 C18H30O2 + 67 O2 = 36 CO3 + 30 H2O
NaCl + H2SO4 = HCl + Na2SO4 =>
2 NaCl + H2SO4 = 2 HCl + Na2SO4
KMnO4 + C2H6O + H2SO4 = Mn(SO4)4 + K2SO4 + C2H4O2 + H20 =>
20 KMnO4 + 80 C2H6O + 90 H2SO4 = 20 Mn(SO4)4 + 10 K2SO4 + 80 C2H4O2 + 17 H20
Cu(s) + O2(g) = Cu2O3(s) =>
4 Cu(s) + 3 O2(g) = 2 Cu2O3(s)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P + CO =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 2 P + 5 CO
K3PO4 + BaCl2 = KCl + Ba3(PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3(PO4)2
C6H10 + O2 = CO2 + H2 =>
C6H10 + 6 O2 = 6 CO2 + 5 H2
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
AgS + HCl = AgCl2 + H2S =>
AgS + 2 HCl = AgCl2 + H2S
MnO2 + NaBiO3 + HNO3 = HMnO4 + BiONO3 + NaNO3 + H2O =>
2 MnO2 + 3 NaBiO3 + 6 HNO3 = 2 HMnO4 + 3 BiONO3 + 3 NaNO3 + 2 H2O
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P + CO2 =>
2 Ca3(PO4)2 + 6 SiO2 + 5 C = 6 CaSiO3 + 4 P + 5 CO2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
HBr + H2SO4 = Br2 + H2O + SO2 =>
2 HBr + H2SO4 = Br2 + 2 H2O + SO2
Ca(s) + O2(g) = Ca2O3(s) =>
4 Ca(s) + 3 O2(g) = 2 Ca2O3(s)
Na(s) + O2(g) = Na2O3(s) =>
4 Na(s) + 3 O2(g) = 2 Na2O3(s)
Cl2 + N2H2 = HCl + N2 =>
Cl2 + N2H2 = 2 HCl + N2
H2O2 + ZnS = ZnSO3 + H2O =>
3 H2O2 + ZnS = ZnSO3 + 3 H2O
K(s) + O2(g) = K2O(s) =>
4 K(s) + O2(g) = 2 K2O(s)
Na(s) + O2(g) = Na2O3(s) =>
4 Na(s) + 3 O2(g) = 2 Na2O3(s)
MnO2 + KClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO2 + KClO3 + 6 KOH = 3 K2MnO4 + KCl + 3 H2O
J2 + HNO3(konts) = HJO3 + NO + H2O =>
3 J2 + 10 HNO3(konts) = 6 HJO3 + 10 NO + 2 H2O
KI + HNO3 = NO + I2 + KNO3 + H2O =>
6 KI + 8 HNO3 = 2 NO + 3 I2 + 6 KNO3 + 4 H2O
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Br2 + NaOH = NaBr + NaBrO3 + H2O =>
3 Br2 + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
NaHCO3 + H3PO4 = NaH2PO4 + CO2 + H2O =>
NaHCO3 + H3PO4 = NaH2PO4 + CO2 + H2O
Fe3(PO4)3 + Na2SO4 = Fe2(SO4)3 + Na3PO4 =>
2 Fe3(PO4)3 + 9 Na2SO4 = 3 Fe2(SO4)3 + 6 Na3PO4
CaS + H2SO4 = H2S + CaSO4 =>
CaS + H2SO4 = H2S + CaSO4
NaCl + H2SO4 + MnO2 = Na2SO4 + MnCl2 + Cl2 + H2O =>
4 NaCl + 2 H2SO4 + MnO2 = 2 Na2SO4 + MnCl2 + Cl2 + 2 H2O
Cr + O2 = CrO3 =>
2 Cr + 3 O2 = 2 CrO3
K(s) + O2(g) = K2O(s) =>
4 K(s) + O2(g) = 2 K2O(s)
Ca(s) + O2(g) = Ca2O(s) =>
4 Ca(s) + O2(g) = 2 Ca2O(s)
Cr + O2 = CrO3 =>
2 Cr + 3 O2 = 2 CrO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/13/12
Équations équilibrées sur01/12/12
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