| Équations équilibrées la veille |
SO2 + 2 Li2Se = SSe2 + 2 Li2O
Sr + Br = Sr2Br3 =>
2 Sr + 3 Br = Sr2Br3
KMnO4 + KOH = H2O + K2MnO4 + O2 =>
4 KMnO4 + 4 KOH = 2 H2O + 4 K2MnO4 + O2
Co(NO3)2 + NaBr = CoBr + Na(NO3)2 =>
Co(NO3)2 + NaBr = CoBr + Na(NO3)2
CH10 + O2 = CO + H =>
2 CH10 + O2 = 2 CO + 20 H
CO2 + H2O = C4H10 + O =>
4 CO2 + 5 H2O = C4H10 + 13 O
Fe + HC1 = FeC13 + H2 =>
2 Fe + 26 HC1 = 2 FeC13 + 13 H2
Na3(PO4) + Pb(NO3)2 = NaNO3 + Pb3(PO4)2 =>
2 Na3(PO4) + 3 Pb(NO3)2 = 6 NaNO3 + Pb3(PO4)2
(Cr)3 + HCl = CrCl + H2 =>
2(Cr)3 + 6 HCl = 6 CrCl + 3 H2
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
Mg(s) + Al2O3(s) = Al(s) + MgO(s) =>
3 Mg(s) + Al2O3(s) = 2 Al(s) + 3 MgO(s)
Cr(OH)2 = CrOH2O =>
Cr(OH)2 = CrOH2O
NaBr + F = NaF + Br =>
NaBr + F = NaF + Br
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
C10H12 + H2 = C10H18 =>
C10H12 + 3 H2 = C10H18
Ag + Cl = AgCl =>
Ag + Cl = AgCl
CO + H2 = H2O + CH4 =>
CO + 3 H2 = H2O + CH4
AgCNS + NaNO3 = AgNO3 + NaCNS =>
AgCNS + NaNO3 = AgNO3 + NaCNS
CuFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)2 + H2SO4 + H2O + NO =>
3 CuFeS2 + 28 HNO3 = 3 Cu(NO3)2 + 3 Fe(NO3)2 + 6 H2SO4 + 8 H2O + 16 NO
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
NaHS + Al(OH)3 = Al2S3 + Na2S + H2O =>
6 NaHS + 2 Al(OH)3 = Al2S3 + 3 Na2S + 6 H2O
K2OH2O = KOH =>
K2OH2O = 2 KOH
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
No + HNO3 = No(NO3)2 + H2 =>
No + 2 HNO3 = No(NO3)2 + H2
CH3CH2CH2CH2Br + AgNO3 = CH3CH2CH2CH2NO3 + AgBr =>
CH3CH2CH2CH2Br + AgNO3 = CH3CH2CH2CH2NO3 + AgBr
H2S + NO3{-} + H3O{+} = SO4 + NO + H2O =>
3 H2S + 10 NO3{-} + 10 H3O{+} = 3 SO4 + 10 NO + 18 H2O
(H2C6H6O6) + OH = C6H6O6 + H2O =>
(H2C6H6O6) + 2 OH = C6H6O6 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Na[Au(CN)2] + Zn = Na2[Zn(CN)4] + Au =>
2 Na[Au(CN)2] + Zn = Na2[Zn(CN)4] + 2 Au
BaCO3 + HCl = BaCl2 + H2O + CO2 =>
BaCO3 + 2 HCl = BaCl2 + H2O + CO2
CO2 + Mg = MgO + C =>
CO2 + 2 Mg = 2 MgO + C
Sr2 + Br = Sr2Br3 =>
Sr2 + 3 Br = Sr2Br3
FeCl3 + H2O2 = FeCl2 + HCl + O2 =>
2 FeCl3 + H2O2 = 2 FeCl2 + 2 HCl + O2
CaH2 + HBr = CaBr + H2 =>
2 CaH2 + 2 HBr = 2 CaBr + 3 H2
CuI2 = Cu + I =>
CuI2 = Cu + 2 I
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
H + IO3 = H2O + HI =>
7 H + IO3 = 3 H2O + HI
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
CH2CO + NH3 = CH3CN + H2O =>
CH2CO + NH3 = CH3CN + H2O
NaOH(s) = NaOH(aq) =>
NaOH(s) = NaOH(aq)
Mg + N + H2O = NH3 + MgOH =>
3 Mg + N + 3 H2O = NH3 + 3 MgOH
Al(OH)2ClHCl = H2OAl(OH)Cl2 =>
Al(OH)2ClHCl = H2OAl(OH)Cl2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2S + NO3{-} + H3O{+} = SO42{-} + NO + H2O =>
3 H2S + 85 NO3{-} + 82 H3O{+} = 3 SO42{-} + 85 NO + 126 H2O
Na3(PO4) + LiOH = Na(OH) + Li3(PO4) =>
Na3(PO4) + 3 LiOH = 3 Na(OH) + Li3(PO4)
HPONaOH = NaPOH2O =>
HPONaOH = NaPOH2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CaCl2 + Ag = AgCl + Ca =>
CaCl2 + 2 Ag = 2 AgCl + Ca
H2S + NO3{-} + H3O{+} = SO4{-} + NO + H2O =>
H2S + 3 NO3{-} + 2 H3O{+} = SO4{-} + 3 NO + 4 H2O
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