| Équations équilibrées la veille |
4 MnSO4 + 5(NH4)2S2O8 + 16 H2O = 4 HMnO4 + 10 NH4H2SO4 + 4 H2SO4
Ca(NO3)2(ac) + NaOH(ac) = Ca(OH)2 + NaNO3(ac) =>
Ca(NO3)2(ac) + 2 NaOH(ac) = Ca(OH)2 + 2 NaNO3(ac)
NH4NO3 + FeCIO4 = NH4CIO4 + FeNO3 =>
NH4NO3 + FeCIO4 = NH4CIO4 + FeNO3
Mg(NO3)2 + Li3(PO4) = Mg3(PO4)2 + Li(NO3) =>
3 Mg(NO3)2 + 2 Li3(PO4) = Mg3(PO4)2 + 6 Li(NO3)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Fe2(SO4)3 + NiCl2 = NiSO4 + FeCl3 =>
Fe2(SO4)3 + 3 NiCl2 = 3 NiSO4 + 2 FeCl3
CH3CH3CCH3Br + KOH = CH3CH3CCH3OH + KBr =>
CH3CH3CCH3Br + KOH = CH3CH3CCH3OH + KBr
Hg2CrO4 = Cr2O3 + Hg + O2 =>
4 Hg2CrO4 = 2 Cr2O3 + 8 Hg + 5 O2
Pr6O11 + HCl = PrCl3 + H2O + O2 =>
Pr6O11 + 18 HCl = 6 PrCl3 + 9 H2O + O2
Ra + N2 = Ra3N2 =>
3 Ra + N2 = Ra3N2
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Sn{2+} = Sn + Sn{4+} =>
2 Sn{2+} = Sn + Sn{4+}
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
CH3CHO + Ba(OH)2 = CH3COOH + Ba + H2O =>
CH3CHO + Ba(OH)2 = CH3COOH + Ba + H2O
Co(NH3)6 + Cl = CoCl2 + NH3 =>
Co(NH3)6 + 2 Cl = CoCl2 + 6 NH3
(NH4)3PO4 + Ba(OH)2 = Ba3(PO4)2 + NH4OH =>
2(NH4)3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 NH4OH
MnO2 + KClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO2 + KClO3 + 6 KOH = 3 K2MnO4 + KCl + 3 H2O
S8(S) + P4(s) = P4S3(s) =>
S8(S) + 3 P4(s) = 3 P4S3(s)
HClO3 + Ba(OH)2 = HClO4 + Ba + H2O =>
HClO3 + Ba(OH)2 = HClO4 + Ba + H2O
Cu2 + Cl = CuCl4 =>
Cu2 + 8 Cl = 2 CuCl4
Ca3N2 + H2O = (t)Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3(t)Ca(OH)2 + 2 NH3
MnO2 + H2S = Mn(OH)2 + S =>
MnO2 + H2S = Mn(OH)2 + S
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Sr3(AsO4)2 = Sr + AsO4 =>
Sr3(AsO4)2 = 3 Sr + 2 AsO4
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
AgNO3 + ZnCl2 = Zn(NO3)2 + AgCl =>
2 AgNO3 + ZnCl2 = Zn(NO3)2 + 2 AgCl
LiBr + CO5(SO2)3 = Li(SO2)3 + CO5Br =>
LiBr + CO5(SO2)3 = Li(SO2)3 + CO5Br
Fe2 + CN = Fe2CN =>
Fe2 + CN = Fe2CN
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
AsO2{-} + I2 + H2O = I{-} + H2AsO4{-} + H{+} =>
AsO2{-} + I2 + 2 H2O = 2 I{-} + H2AsO4{-} + 2 H{+}
[Cu(NH3)2]OH = NH3 + Cu2O + H2O =>
2[Cu(NH3)2]OH = 4 NH3 + Cu2O + H2O
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
Cr2O7{2-} + SO2 + H{+} = Cr{3+} + HSO4{-} + HOH =>
Cr2O7{2-} + 3 SO2 + 5 H{+} = 2 Cr{3+} + 3 HSO4{-} + HOH
KClO3 + C12H22O22 = CO2 + H2O + KCl =>
13 KClO3 + 3 C12H22O22 = 36 CO2 + 33 H2O + 13 KCl
Al(OH)3 + H2 + H2O = [Al(H2O)6] =>
2 Al(OH)3 + 3 H2 + 6 H2O = 2[Al(H2O)6]
Fe2(SO4)3 + BaCl2 = FeCl3 + BaSO4 =>
Fe2(SO4)3 + 3 BaCl2 = 2 FeCl3 + 3 BaSO4
FeO*Cr2O3 + Na2CO3 + O2 = Na2CrO4 + Fe2O3 + CO2 =>
4 FeO*Cr2O3 + 8 Na2CO3 + 7 O2 = 8 Na2CrO4 + 2 Fe2O3 + 8 CO2
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
C6H5CH2OH + KMnO4 + H2SO4 = K2SO4 + C6H5COOH + MnSO4 + H2O =>
5 C6H5CH2OH + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 5 C6H5COOH + 4 MnSO4 + 11 H2O
ZnAg + HNO3 = Zn(NO3)2 + Ag(NO3)2 + H2O + NO2 =>
ZnAg + 8 HNO3 = Zn(NO3)2 + Ag(NO3)2 + 4 H2O + 4 NO2
EuC2 = Eu + C =>
EuC2 = Eu + 2 C
HNO3 + Na2S = H2S + NaNO3 =>
2 HNO3 + Na2S = H2S + 2 NaNO3
Ba(NO3)2 + K2(SO4) = Ba2(SO4)2 + KNO3 =>
2 Ba(NO3)2 + 2 K2(SO4) = Ba2(SO4)2 + 4 KNO3
SH2 + H2O = SO2 + H2 =>
SH2 + 2 H2O = SO2 + 3 H2
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Cr(OH)3 + NaOH = Na(Cr[OH]4) =>
Cr(OH)3 + NaOH = Na(Cr[OH]4)
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Mg + HCl + O2 = MgCl2 + H2O =>
2 Mg + 4 HCl + O2 = 2 MgCl2 + 2 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
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