| Équations équilibrées la veille |
2 K3PO4 = 3 K2O + P2O5
FeCl + K[Fe(CN){6}] = Fe[Fe(CN){6}] + KCl =>
FeCl + K[Fe(CN){6}] = Fe[Fe(CN){6}] + KCl
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
Hg(l) + HNO3(aq) + HCl(aq) = HgCl2(s) + NO(g) + H2O(l) =>
3 Hg(l) + 2 HNO3(aq) + 6 HCl(aq) = 3 HgCl2(s) + 2 NO(g) + 4 H2O(l)
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
Pb(C2H3O2)2 + KI = PbI2 + KC2H3O2 =>
Pb(C2H3O2)2 + 2 KI = PbI2 + 2 KC2H3O2
SnCl2 + NaOH = Na2SnO2 + NaCl + H2O =>
SnCl2 + 4 NaOH = Na2SnO2 + 2 NaCl + 2 H2O
Cu(OH)2 = CuOH2O =>
Cu(OH)2 = CuOH2O
Zn(OH)2H2SO4 = Zn(OH)2SO4H2 =>
Zn(OH)2H2SO4 = Zn(OH)2SO4H2
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
BaCo3 + O2 = BaO + Co2 =>
2 BaCo3 + O2 = 2 BaO + 3 Co2
C3H7Cl + Na = C6H14 + NaCl =>
2 C3H7Cl + 2 Na = C6H14 + 2 NaCl
NaCl + Ag = AgCl + Na =>
NaCl + Ag = AgCl + Na
L3 = L2 =>
2 L3 = 3 L2
NaNO3 + H2S + HCl = NO + S + NaCl + H2O =>
2 NaNO3 + 3 H2S + 2 HCl = 2 NO + 3 S + 2 NaCl + 4 H2O
(NH4)2CO3 + HNO3 = NH4NO + H2O + CO2 =>
3(NH4)2CO3 + 2 HNO3 = 4 NH4NO + 5 H2O + 3 CO2
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C5H8 + KMnO4 + H2SO4 = C5H10O4 + MnSO4 + K2SO4 + H2O =>
5 C5H8 + 6 KMnO4 + 9 H2SO4 = 5 C5H10O4 + 6 MnSO4 + 3 K2SO4 + 4 H2O
C2H5BrNaOH = NaBrC2H4H2O =>
C2H5BrNaOH = NaBrC2H4H2O
HCl + NaOH{-} = NaCl{-} + H2O =>
HCl + NaOH{-} = NaCl{-} + H2O
HNO3 + N2H4 = NO3 + N2H5 =>
HNO3 + N2H4 = NO3 + N2H5
Cd(No3)2 + Na2S = CdS + NaNo3 =>
Cd(No3)2 + Na2S = CdS + 2 NaNo3
SnCl2 + NaOH = Na2SnO2 + NaCl + H2O =>
SnCl2 + 4 NaOH = Na2SnO2 + 2 NaCl + 2 H2O
CrCl3 + KMnO4 + H2O + H2SO4 = H2Cr2O7 + MnSO4 + K2SO4 + HCl =>
10 CrCl3 + 6 KMnO4 + 11 H2O + 9 H2SO4 = 5 H2Cr2O7 + 6 MnSO4 + 3 K2SO4 + 30 HCl
Fe(OH)2 + H2O2 = Fe(OH)3 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
Mg{2+} + HCl{-} = MgCl2 + H2 =>
Mg{2+} + 2 HCl{-} = MgCl2 + H2
Fe(CNS)3 + FeCl3 = Fe + ClCNS =>
Fe(CNS)3 + FeCl3 = 2 Fe + 3 ClCNS
CH3CH2OH + Cr2O7{-2)+H{+} = CH3COOH+Cr{3+}+H2O =>
3 CH3CH2OH + 2 Cr2O7{-2)+16H{+} = 3 CH3COOH+4Cr{3+}+11H2O
KMnO4 + H2O = KOH + MnO2 + O2 =>
4 KMnO4 + 2 H2O = 4 KOH + 4 MnO2 + 3 O2
Al + NO3{-} + OH{-} = AlO2{-} + N2 + H2O =>
10 Al + 6 NO3{-} + 4 OH{-} = 10 AlO2{-} + 3 N2 + 2 H2O
C2H6(l) + O2(g) = CO2(g) + HO(l) =>
C2H6(l) + 5 O2(g) = 2 CO2(g) + 6 HO(l)
NaCl + Ag = AgCl + Na =>
NaCl + Ag = AgCl + Na
LiOH(aq) + Ba(NO3)2(aq) = LiNO3 + Ba(OH)2 =>
2 LiOH(aq) + Ba(NO3)2(aq) = 2 LiNO3 + Ba(OH)2
CH3CH(OH)CH3 + Br2 = CH2BrCH2Br + H2O =>
2 CH3CH(OH)CH3 + 3 Br2 = 3 CH2BrCH2Br + 2 H2O
C4H10 + NO2 = CO2 + H2O + N2 =>
4 C4H10 + 26 NO2 = 16 CO2 + 20 H2O + 13 N2
KOH + N2O3 = KNO3 + NO + H2O =>
2 KOH + 3 N2O3 = 2 KNO3 + 4 NO + H2O
H{+} + MnO4{-} + CH2CH2 = Mn{2+} + CO2 + H2O =>
36 H{+} + 12 MnO4{-} + 5 CH2CH2 = 12 Mn{2+} + 10 CO2 + 28 H2O
NaOH + Co(NO3)3*9H2O = Co(OH)3 + H2O + NaNO3 =>
3 NaOH + Co(NO3)3*9H2O = Co(OH)3 + 9 H2O + 3 NaNO3
FeCl3 + H2O2 = FeCl2 + HCl + O2 =>
2 FeCl3 + H2O2 = 2 FeCl2 + 2 HCl + O2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
CH3CHCHCH3 + KMnO4 + H2O = CH3(OH)CH(OH)CHCH3 + KOH + MnO2 =>
3 CH3CHCHCH3 + 2 KMnO4 + 4 H2O = 3 CH3(OH)CH(OH)CHCH3 + 2 KOH + 2 MnO2
PbCO3 = CO2 + PbO =>
PbCO3 = CO2 + PbO
NO3 + H2O = NO2 + OH =>
NO3 + H2O = NO2 + 2 OH
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
H2SO4 + Li = Li2SO4 + H2 =>
H2SO4 + 2 Li = Li2SO4 + H2
FeS2 + O2 = SO2 + Fe2O3 =>
4 FeS2 + 11 O2 = 8 SO2 + 2 Fe2O3
Ca(OH)2 + N2O5 = Ca(NO3)2 + H2O =>
Ca(OH)2 + N2O5 = Ca(NO3)2 + H2O
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Équations équilibrées sur11/17/24
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