| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
C9H8O4 + NaOH = C7H6O3 + C2H3O2Na =>
C9H8O4 + NaOH = C7H6O3 + C2H3O2Na
KMnO4 + H3PO3 + H2SO4 = MnSO4 + K2SO4 + H3PO4 + H2O =>
2 KMnO4 + 5 H3PO3 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 5 H3PO4 + 3 H2O
Mn(OH)2 + KNO3 + K2CO3 = K2MnO4 + NO + CO2 + H2O =>
3 Mn(OH)2 + 4 KNO3 + K2CO3 = 3 K2MnO4 + 4 NO + CO2 + 3 H2O
C6H5NH2 + (CH3CO)2O = C6H5NHCOCH3 + CH3COOH =>
C6H5NH2 + (CH3CO)2O = C6H5NHCOCH3 + CH3COOH
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ag2S + HNO3 = Ag2SO4 + NO2 + H2O =>
Ag2S + 8 HNO3 = Ag2SO4 + 8 NO2 + 4 H2O
CaO + H3O{+} = Ca{2+} + H2O =>
CaO + 2 H3O{+} = Ca{2+} + 3 H2O
Na2B4O7 + HCl + H2O = H3BO3 + NaCl =>
Na2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 NaCl
Mo2O3 + KMnO4 + H2SO4 = MoO3 + K2SO4 + MnSO4 + H2O =>
5 Mo2O3 + 6 KMnO4 + 9 H2SO4 = 10 MoO3 + 3 K2SO4 + 6 MnSO4 + 9 H2O
OCl({-}) + Cr({3+}) + H2O = Cl({-}) + Cr2O7({-}2) + H({+}) =>
7 OCl({-}) + 4 Cr({3+}) + 7 H2O = 7 Cl({-}) + 2 Cr2O7({-}2) + 14 H({+})
NH4F + Sr(NO3)2 + CH2(NH2)2 = H2O + SrF2 + N2 + CO2 =>
10 NH4F + 5 Sr(NO3)2 + 2 CH2(NH2)2 = 26 H2O + 5 SrF2 + 12 N2 + 2 CO2
H2S + KOH = HOH + K2S =>
H2S + 2 KOH = 2 HOH + K2S
CuO + C = CuOC =>
CuO + C = CuOC
CaCO3 + HNO3 = CaNO3 + HCO3 =>
CaCO3 + HNO3 = CaNO3 + HCO3
FeC2O4*2H2O + MnO4{-} + H{+} = Mn{+2} + CO2 + H2O + Fe{+3} =>
5 FeC2O4*2H2O + 3 MnO4{-} + 24 H{+} = 3 Mn{+2} + 10 CO2 + 22 H2O + 5 Fe{+3}
CuO + C = CuOC =>
CuO + C = CuOC
H3AsO3 + BrO3 = H3AsO4 + Br =>
3 H3AsO3 + BrO3 = 3 H3AsO4 + Br
NH4OH + MnSO4 = (NH4)2SO4 + Mn(OH)2 =>
2 NH4OH + MnSO4 = (NH4)2SO4 + Mn(OH)2
Fe{+2} + H{+} + Cr2O7{-2} = Fe{+3} + Cr{+3} + H2O =>
6 Fe{+2} + 14 H{+} + Cr2O7{-2} = 6 Fe{+3} + 2 Cr{+3} + 7 H2O
SbH3 + H2O = Sb(OH)4 + H2 =>
2 SbH3 + 8 H2O = 2 Sb(OH)4 + 7 H2
HPO4 + NH4 + MoO4 + H = (NH4)3PO4(MoO3)2 + H2O =>
HPO4 + 3 NH4 + 2 MoO4 + 3 H = (NH4)3PO4(MoO3)2 + 2 H2O
NH4F + Sr(NO3)2 + CO(NH2)2 = H2O + SrF2 + N2 + CO2 =>
6 NH4F + 3 Sr(NO3)2 + 2 CO(NH2)2 = 16 H2O + 3 SrF2 + 8 N2 + 2 CO2
CaCl2 + K2HPO4 = CaHPO4 + KCl =>
CaCl2 + K2HPO4 = CaHPO4 + 2 KCl
Al + H2SO4 = H2 + Al2(SO4)3 =>
2 Al + 3 H2SO4 = 3 H2 + Al2(SO4)3
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
CaCl2 + K2C2O4 = CaC2O4 + KCl =>
CaCl2 + K2C2O4 = CaC2O4 + 2 KCl
CaCl2 + K2BO2 = CaBO2 + KCl =>
CaCl2 + K2BO2 = CaBO2 + 2 KCl
CN + MnO4 = CNO + MnO2 =>
2 CN + MnO4 = 2 CNO + MnO2
BO2 + H + C2H5OH = B(OC2H5)3 + H2O =>
BO2 + H + 3 C2H5OH = B(OC2H5)3 + 2 H2O
NH4F + Sr(NO3)2 + H2NCH2COOH = H2O + SrF2 + N2 + CO2 =>
18 NH4F + 9 Sr(NO3)2 + 4 H2NCH2COOH = 46 H2O + 9 SrF2 + 20 N2 + 8 CO2
Mg + S = MgS =>
Mg + S = MgS
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Mg + S = MgS =>
Mg + S = MgS
CuO + C = CuOC =>
CuO + C = CuOC
Mg + S = MgS =>
Mg + S = MgS
H3PO4 + NH4OH = HOH + (NH4)3PO4 =>
H3PO4 + 3 NH4OH = 3 HOH + (NH4)3PO4
N4H14C6O2 + O2 = CO(NH2)2 + CO2 + H2O =>
2 N4H14C6O2 + 11 O2 = 4 CO(NH2)2 + 8 CO2 + 6 H2O
Al(NO3)3 + CO(NH2)2 = H2O + N2 + Al2O3 + CO2 =>
2 Al(NO3)3 + 5 CO(NH2)2 = 10 H2O + 8 N2 + Al2O3 + 5 CO2
OCl({-}) + Cr({3+}) + H2O = Cl({-}) + Cr2O7({-}) + H({+}) =>
7 OCl({-}) + 4 Cr({3+}) + 7 H2O = 7 Cl({-}) + 2 Cr2O7({-}) + 14 H({+})
FeC2O4*2H2O + MnO4{-} + H{+} = Mn{+2} + CO2 + H2O + Fe{+3} =>
5 FeC2O4*2H2O + 3 MnO4{-} + 24 H{+} = 3 Mn{+2} + 10 CO2 + 22 H2O + 5 Fe{+3}
Al(NO3)3 + NH4F + CO(NH2)2 = H2O + N2 + AlF3 + CO2 =>
Al(NO3)3 + 3 NH4F + CO(NH2)2 = 8 H2O + 4 N2 + AlF3 + CO2
H{+} + Mg = Mg{2+} + H2 =>
2 H{+} + Mg = Mg{2+} + H2
K + AlCl3 = Al + KCl =>
3 K + AlCl3 = Al + 3 KCl
Sr(NO3)2 + NH4F + CO(NH2)2 = H2O + N2 + SrF2 + CO2 =>
3 Sr(NO3)2 + 6 NH4F + 2 CO(NH2)2 = 16 H2O + 8 N2 + 3 SrF2 + 2 CO2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
HCH2ClCO2 + OH = H2O + CHClCO2 =>
HCH2ClCO2 + 2 OH = 2 H2O + CHClCO2
NH4F + HNO3 = HF + NH4NO3 =>
NH4F + HNO3 = HF + NH4NO3
H + O = H2O =>
2 H + O = H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/02/12
Équations équilibrées sur10/02/11
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