| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2SO4 + Ca(OH)2 = Ca(HSO4)2 + 2 H2O
HNO2 + Ni(OH)2 = H2Ni + NO2OH =>
2 HNO2 + Ni(OH)2 = H2Ni + 2 NO2OH
N2O4 = N2O5 + N2O =>
4 N2O4 = 3 N2O5 + N2O
Al + NO3{-} + OH{-} + H2O = [Al(OH)4]{-} + HN3 =>
16 Al + 9 NO3{-} + 7 OH{-} + 30 H2O = 16[Al(OH)4]{-} + 3 HN3
Al2(SO4)3 = Al + SO4 =>
Al2(SO4)3 = 2 Al + 3 SO4
Zn(CH3COO)2 + NaCO3 + H2O = Zn2(OH)2CO3 + CH3COONa + CO2 =>
18 Zn(CH3COO)2 + 32 NaCO3 + 3 H2O = 9 Zn2(OH)2CO3 + 32 CH3COONa + 31 CO2
(NH4)2C2O4 + KMnO4 + H2SO4 = (NH4)2SO4 + K2SO4 + MnSO4 + H2O + CO2 =>
5(NH4)2C2O4 + 2 KMnO4 + 8 H2SO4 = 5(NH4)2SO4 + K2SO4 + 2 MnSO4 + 8 H2O + 10 CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
MgCaSi2O6 + Ca3Mg(SiO4)2 = Ca2MgSi2O7 =>
MgCaSi2O6 + Ca3Mg(SiO4)2 = 2 Ca2MgSi2O7
SO3{2-} + H2O = SO4{2-} + e + H{+} =>
SO3{2-} + H2O = SO4{2-} + 2e + 2 H{+}
CH3CH(OH)CH3 + O2 = CH3COCH3 + H2O =>
2 CH3CH(OH)CH3 + O2 = 2 CH3COCH3 + 2 H2O
NaOH + Cu = Na + Cu(OH)2 =>
2 NaOH + Cu = 2 Na + Cu(OH)2
SrCO3 + La2O3 + SrCl2 + Fe2O3 + RuO2 = Sr2LaFeRuO5Cl2 + CO2 + O2 =>
2 SrCO3 + La2O3 + 2 SrCl2 + Fe2O3 + 2 RuO2 = 2 Sr2LaFeRuO5Cl2 + 2 CO2 + O2
Cr2O7{-2} + H{+} + C2O4{2-} = Cr{3+} + H2O + CO2 =>
Cr2O7{-2} + 14 H{+} + 3 C2O4{2-} = 2 Cr{3+} + 7 H2O + 6 CO2
Fe + HCl + K2Cr2O7 = CrCl3 + H2O + KCl + FeCl2 =>
3 Fe + 14 HCl + K2Cr2O7 = 2 CrCl3 + 7 H2O + 2 KCl + 3 FeCl2
NH4OH + Co(NO3)2 = NH4NO3 + Co(OH)2 =>
2 NH4OH + Co(NO3)2 = 2 NH4NO3 + Co(OH)2
Mg + C2H4 = Mg2C3 + H2 =>
4 Mg + 3 C2H4 = 2 Mg2C3 + 6 H2
Fe + HCl + K2Cr2O7 = CrCl3 + H2O + KCl + FeCl2 =>
3 Fe + 14 HCl + K2Cr2O7 = 2 CrCl3 + 7 H2O + 2 KCl + 3 FeCl2
Cr(OH)3 + KOH + HNO3 = K2CrO4 + KNO2 + H2O =>
2 Cr(OH)3 + 7 KOH + 3 HNO3 = 2 K2CrO4 + 3 KNO2 + 8 H2O
CH3CH2OH + CH3COOH = CH3COOCH2CH3 + H2O =>
CH3CH2OH + CH3COOH = CH3COOCH2CH3 + H2O
PbCl2 + OH{-} = Pb(OH)Cl(s) + Cl{-} =>
PbCl2 + OH{-} = Pb(OH)Cl(s) + Cl{-}
O2 + N2 = N2O5 =>
5 O2 + 2 N2 = 2 N2O5
Ca + FeF3 = Fe + F3Ca =>
Ca + FeF3 = Fe + F3Ca
K2Se + Co + Se = KCoSe2 =>
K2Se + 2 Co + 3 Se = 2 KCoSe2
FeSO4 + K3[Fe(CN)6] = K2SO4 + Fe3[Fe(CN)6]2 =>
3 FeSO4 + 2 K3[Fe(CN)6] = 3 K2SO4 + Fe3[Fe(CN)6]2
C2H2 + K2Cr2O7 + H2SO4 = H2C2O4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H2 + 4 K2Cr2O7 + 16 H2SO4 = 3 H2C2O4 + 4 Cr2(SO4)3 + 4 K2SO4 + 16 H2O
CuSO4*5H2O = CuSO4 + H2O = CuO =>
CuSO4*5H2O = CuSO4 + 5 H2O
K2Cr2O7 + HCl + SnCl2 = H2SnCl6 + CrCl3 + KCl + H2O =>
K2Cr2O7 + 20 HCl + 3 SnCl2 = 3 H2SnCl6 + 2 CrCl3 + 2 KCl + 7 H2O
Al + N2 = Al(N)2 =>
Al + N2 = Al(N)2
H2(g) + Br2(g) = HBr(g) =>
H2(g) + Br2(g) = 2 HBr(g)
Na2S + Br2 = S + NaBr =>
Na2S + Br2 = S + 2 NaBr
Ca3(PO4)2(s) + SiO2(s) + C = CaSiO3 + CO + P4(s) =>
2 Ca3(PO4)2(s) + 6 SiO2(s) + 10 C = 6 CaSiO3 + 10 CO + P4(s)
Li3N + HCl = LiCl + H3N =>
Li3N + 3 HCl = 3 LiCl + H3N
Cr + CaCO3 = Ca + Cr(CO3)3 =>
Cr + 3 CaCO3 = 3 Ca + Cr(CO3)3
Mg + NaCl = MgNaCl =>
Mg + NaCl = MgNaCl
C6H5CHO + KMnO4 + H2O = C6H5COOH + MnO2 + KOH =>
3 C6H5CHO + 2 KMnO4 + H2O = 3 C6H5COOH + 2 MnO2 + 2 KOH
Hg2CO3 = Hg + HgO + CO2 =>
Hg2CO3 = Hg + HgO + CO2
N2 + H2 = N2H6 =>
N2 + 3 H2 = N2H6
Ca + HNO3 = CaN2O6 + H2O + NO2 =>
Ca + 4 HNO3 = CaN2O6 + 2 H2O + 2 NO2
H2 + NiSO4 = H2O + NiS =>
4 H2 + NiSO4 = 4 H2O + NiS
Cr{+3} + (NH4)2CO3 = Cr2(CO3)3 + NH4{+} =>
2 Cr{+3} + 3(NH4)2CO3 = Cr2(CO3)3 + 6 NH4{+}
Sr(NO2)3 + Al(NO3)3*9H2O + NH4OH = Sr4Al14O25 + H2O + N2 =>
12 Sr(NO2)3 + 42 Al(NO3)3*9H2O + 250 NH4OH = 3 Sr4Al14O25 + 1003 H2O + 206 N2
Mn2O3 + NaNH2 = Mn3N2 + NaOH + H2O + O =>
3 Mn2O3 + 4 NaNH2 = 2 Mn3N2 + 4 NaOH + 2 H2O + 3 O
Mn7 + FeCl3 = Fe + Mn3Cl7 =>
9 Mn7 + 49 FeCl3 = 49 Fe + 21 Mn3Cl7
Al2(CO3)3 + KOH = Al2(OH)3 + KCO3 =>
Al2(CO3)3 + 3 KOH = Al2(OH)3 + 3 KCO3
K2O + Ai2O3 = KAiO2 =>
K2O + Ai2O3 = 2 KAiO2
K + *O2 = K2O =>
4 K + *O2 = 2 K2O
O2 + C21H23NO5 = CO2 + H2O + N2O =>
49 O2 + 2 C21H23NO5 = 42 CO2 + 23 H2O + N2O
CH5N3O4 = CO + CO2 + N2 + H2O =>
2 CH5N3O4 = CO + CO2 + 3 N2 + 5 H2O
P4 + NaClO2 + NaOH = Na4P2O6 + HCl =>
P4 + 4 NaClO2 + 4 NaOH = 2 Na4P2O6 + 4 HCl
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/21/25
Équations équilibrées sur05/21/24
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