| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KMnO4 + 15 Hg2(No3)2 + 16 HNo3 = 2 Mn(No3)2 + 30 Hg(No2)2 + 2 KNo3 + 8 H2O
CrO3(s) + Al(s) = Al2O3(s) + Cr2O3(s) =>
2 CrO3(s) + 2 Al(s) = Al2O3(s) + Cr2O3(s)
KCr(SO4)2*12H2O + HCl = Cr(H2O)6Cl3 + KCl + H2SO4 + H2O =>
KCr(SO4)2*12H2O + 4 HCl = Cr(H2O)6Cl3 + KCl + 2 H2SO4 + 6 H2O
K + HOH = KH + OH =>
K + HOH = KH + OH
Fe + CI2 = FeCI2 =>
Fe + CI2 = FeCI2
As2S5 + Na2S = NaAsS3 =>
As2S5 + Na2S = 2 NaAsS3
H2SnO2 + Ca(OH)2 = CaSnO2 + H2O =>
H2SnO2 + Ca(OH)2 = CaSnO2 + 2 H2O
CU(s) + HNO3(aq) = CU(NO3)2(aq) + NO(g) + H2O(l) =>
3 CU(s) + 8 HNO3(aq) = 3 CU(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
PH3(g) + O2 = P4O10(s) + H2O(g) =>
4 PH3(g) + 8 O2 = P4O10(s) + 6 H2O(g)
MgO + HOH = Mg(OH)2 =>
MgO + HOH = Mg(OH)2
Na2CrO4 + HBr = CrBr3 + Br2 + H2O + NaBr =>
2 Na2CrO4 + 16 HBr = 2 CrBr3 + 3 Br2 + 8 H2O + 4 NaBr
N2 + HNO3 = NH3 + NNO3 =>
2 N2 + 3 HNO3 = NH3 + 3 NNO3
Ca(NO3)2 + Al(NO3)3 = Ca(NO3)3 + Al(NO3)2 =>
Ca(NO3)2 + Al(NO3)3 = Ca(NO3)3 + Al(NO3)2
H3O = H2 + O5 =>
10 H3O = 15 H2 + 2 O5
CO32 + H2O = H2CO3 + OH =>
CO32 + 31 H2O = H2CO3 + 60 OH
C + H2O = H2 + C(OH)4 =>
C + 4 H2O = 2 H2 + C(OH)4
C4H10O3 + O2 = CO2 + H2O =>
C4H10O3 + 5 O2 = 4 CO2 + 5 H2O
KBrO3 + Na2S = KBr + Na2SO4 =>
4 KBrO3 + 3 Na2S = 4 KBr + 3 Na2SO4
CH3OH + KI + H2SO4 = CH3I + K2SO4 + H2O =>
2 CH3OH + 2 KI + H2SO4 = 2 CH3I + K2SO4 + 2 H2O
(C2H5)2NH + O2 = CO2 + H2O + NO =>
4(C2H5)2NH + 29 O2 = 16 CO2 + 22 H2O + 4 NO
Cr2O3 + KClO3 + NaOH = Na2Cr2O7 + KCl + H2O =>
Cr2O3 + KClO3 + 2 NaOH = Na2Cr2O7 + KCl + H2O
Ra(OH)2 + H4P2O7 = Ra2P2O7 + H2O =>
2 Ra(OH)2 + H4P2O7 = Ra2P2O7 + 4 H2O
(AgNO3)2 + ClI = AgI + NO3 + Cl =>
(AgNO3)2 + 2 ClI = 2 AgI + 2 NO3 + 2 Cl
H2SO4 + KCl = HCl + KHSO4 =>
H2SO4 + KCl = HCl + KHSO4
Sr + H2CrO4 = SrCrO4 + H2 =>
Sr + H2CrO4 = SrCrO4 + H2
H + (OH) = HOH =>
H + (OH) = HOH
K2CrO4 + ZnSO4 = K2SO4 + Zn + CrO4 =>
K2CrO4 + ZnSO4 = K2SO4 + Zn + CrO4
CO + H2 = C3H6 + H2O =>
3 CO + 6 H2 = C3H6 + 3 H2O
HOOCCOOH + CH3OH = HOOCCOOC2H5 + H2O =>
HOOCCOOH + 2 CH3OH = HOOCCOOC2H5 + 2 H2O
NH3 + KClO3 + KOH = KNO3 + KCl + H2O =>
3 NH3 + 4 KClO3 + 3 KOH = 3 KNO3 + 4 KCl + 6 H2O
AgNO3 + (NH4)2CO3 = Ag2(CO3) + NH4NO3 =>
2 AgNO3 + (NH4)2CO3 = Ag2(CO3) + 2 NH4NO3
Sn(s) + HCl(ac) = SnCl2(ac) + H2 =>
Sn(s) + 2 HCl(ac) = SnCl2(ac) + H2
Al2O3 + SiO2 = Al2O3*SiO2 =>
Al2O3 + SiO2 = Al2O3*SiO2
Hg + HNO3 = Hg(NO3)2 + NO + H2O(agua) =>
3 Hg + 8 HNO3 = 3 Hg(NO3)2 + 2 NO + 4 H2O(agua)
C3H5Cl + O2 = CO2 + H2O + Cl2 =>
4 C3H5Cl + 17 O2 = 12 CO2 + 10 H2O + 2 Cl2
Si + O2 + NaOH = Na2SiO4 + H2O =>
2 Si + 3 O2 + 4 NaOH = 2 Na2SiO4 + 2 H2O
Cr(OH)3 + OH[{-}] = [Cr(OH)4][{-}] =>
Cr(OH)3 + OH[{-}] = [Cr(OH)4][{-}]
SeCI2 + O2 = SeO2 + CI2 =>
SeCI2 + O2 = SeO2 + CI2
MnCl2 + KClO2 + KOH = KMnO4 + KCl + H2O =>
4 MnCl2 + 5 KClO2 + 12 KOH = 4 KMnO4 + 13 KCl + 6 H2O
C6H12O6 = CH3CH2OH + CO2 =>
C6H12O6 = 2 CH3CH2OH + 2 CO2
KBr + Cl2 = KCl + Br =>
2 KBr + Cl2 = 2 KCl + 2 Br
K2Cr2O7 = CrO3 + K2CrO4 =>
K2Cr2O7 = CrO3 + K2CrO4
Fe + ZnOH = Fe(OH)3 + Zn =>
Fe + 3 ZnOH = Fe(OH)3 + 3 Zn
KCr(SO4)2*12H2O + HCl = Cr(H2O)6Cl3 + KCl + H2SO4 + H2O =>
KCr(SO4)2*12H2O + 4 HCl = Cr(H2O)6Cl3 + KCl + 2 H2SO4 + 6 H2O
Zn + CrCl2 = Cr + ZnCl2 =>
Zn + CrCl2 = Cr + ZnCl2
Fe{3+} + C2O4{2-} = Fe(C2O4)3{3-} =>
Fe{3+} + 3 C2O4{2-} = Fe(C2O4)3{3-}
KI + AgCN = AgI + KCN =>
KI + AgCN = AgI + KCN
AlO3 + H2SO4 = Al + SO4 + H2O =>
AlO3 + 3 H2SO4 = Al + 3 SO4 + 3 H2O
LiFeO2 = Fe2O3 + Li2O =>
2 LiFeO2 = Fe2O3 + Li2O
Pb + CrCl3 = PbCl2 + Cr =>
3 Pb + 2 CrCl3 = 3 PbCl2 + 2 Cr
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Équations équilibrées sur10/24/24
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