| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
P + HNO3 = NO2 + H20 + H3PO4 =>
20 P + 80 HNO3 = 80 NO2 + H20 + 20 H3PO4
Na3PO4 + FeCl3 = NaCl + FePO4 =>
Na3PO4 + FeCl3 = 3 NaCl + FePO4
KBr(aq) + AgNO3(aq) = AgBr(s) + KNO3(aq) =>
KBr(aq) + AgNO3(aq) = AgBr(s) + KNO3(aq)
H2SO4 + Ca(OH)2 = CaSO4 + H2O =>
H2SO4 + Ca(OH)2 = CaSO4 + 2 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 Fe + 6 H2SO4 = Fe2(SO4)3 + 6 H2O + 3 SO2
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
KMnO4 + KI + H2SO4 = MnSO4 + I2 + K2SO4 + H2O =>
2 KMnO4 + 10 KI + 8 H2SO4 = 2 MnSO4 + 5 I2 + 6 K2SO4 + 8 H2O
Cl2O7 = Cl2 + O2 =>
2 Cl2O7 = 2 Cl2 + 7 O2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
NH3(aq) + O2(g) = NO(g) + H2O(l) =>
4 NH3(aq) + 5 O2(g) = 4 NO(g) + 6 H2O(l)
Li2SO4 + K2CO3 = Li2CO3 + K2SO4 =>
Li2SO4 + K2CO3 = Li2CO3 + K2SO4
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
MnI2(s) + F2(g) = MnF3(s) + IF5(l) =>
2 MnI2(s) + 13 F2(g) = 2 MnF3(s) + 4 IF5(l)
I2 + NaOH = NaI + NaIO3 + H20 =>
30 I2 + 60 NaOH = 40 NaI + 20 NaIO3 + 3 H20
H2CO3 + CaCl2 = CaCO3 + HCl =>
H2CO3 + CaCl2 = CaCO3 + 2 HCl
MnSO4 = MnO + SO3 =>
MnSO4 = MnO + SO3
C27H45OBr + Na2Cr2O7 = C27H44OBr + HNa2Cr2O7 =>
C27H45OBr + Na2Cr2O7 = C27H44OBr + HNa2Cr2O7
CH3COOH + C2H5OH = CH3COOC2H5 + H3O =>
4 CH3COOH + 6 C2H5OH = 5 CH3COOC2H5 + 4 H3O
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
CO + NO = CO2 + N2 =>
2 CO + 2 NO = 2 CO2 + N2
K + Fe2O3 = K2O + Fe =>
6 K + Fe2O3 = 3 K2O + 2 Fe
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
NiSO4 + Li3PO4 = Ni3(PO4)2 + Li2SO4 =>
3 NiSO4 + 2 Li3PO4 = Ni3(PO4)2 + 3 Li2SO4
KOH + BaCl2 = KCl + Ba(OH)2 =>
2 KOH + BaCl2 = 2 KCl + Ba(OH)2
CH4 + O2 = CH2 + H2O =>
2 CH4 + O2 = 2 CH2 + 2 H2O
Cd + HCl = CdCl2 + H2 =>
Cd + 2 HCl = CdCl2 + H2
Co + O2 = Co2O3 =>
4 Co + 3 O2 = 2 Co2O3
Y(CH3COO)3 + Ba(NO3)2 + Cu(NO3)2 = YBa2Cu3O7 + CO2 + H2O + NO2 + N2 =>
8 Y(CH3COO)3 + 16 Ba(NO3)2 + 24 Cu(NO3)2 = 8 YBa2Cu3O7 + 48 CO2 + 36 H2O + 50 NO2 + 15 N2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
CaSO4 = CaO + SO2 + O2 =>
2 CaSO4 = 2 CaO + 2 SO2 + O2
Y(CH3COO)3 + Ba(NO3)2 + Cu(NO3)2 = YBa2Cu2O7 + CO2 + H2O + NO2 + N2 =>
8 Y(CH3COO)3 + 16 Ba(NO3)2 + 16 Cu(NO3)2 = 8 YBa2Cu2O7 + 48 CO2 + 36 H2O + 26 NO2 + 19 N2
CuCl2 + Mg = MgCl2 + Cu =>
CuCl2 + Mg = MgCl2 + Cu
NH3 + AlBr3 = NH3Al + Br3 =>
NH3 + AlBr3 = NH3Al + Br3
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Ag + HNO3 = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3 = AgNO3 + NO2 + H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C27H45OBr + Na2Cr2O7 = C27H44OBr + HNa2Cr2O7 =>
C27H45OBr + Na2Cr2O7 = C27H44OBr + HNa2Cr2O7
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Ag + H2SO4 = Ag2SO4 + SO2 + H2O =>
2 Ag + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
KBr + H2SO4 = K2SO4 + Br2 + SO2 + H2O =>
2 KBr + 2 H2SO4 = K2SO4 + Br2 + SO2 + 2 H2O
Cr2(SO4)3 + H2O2 + NaOH = Na2CrO4 + H2O + Na2SO4 =>
Cr2(SO4)3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 8 H2O + 3 Na2SO4
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur05/09/15
Équations équilibrées sur06/08/14
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