| Équations équilibrées la veille |
2 Fe(CrO2)2 + 7 NaNO3 + 4 K2CO3 = Fe2O3 + 4 K2CrO4 + 7 NaNO2 + 4 CO2
C2H4 + HCl = C2ClH3 + H2 =>
C2H4 + HCl = C2ClH3 + H2
FeO2 + H2 = Fe + H2O =>
FeO2 + 2 H2 = Fe + 2 H2O
NaHCO3 + Ca(NO3)2 + HCl = NaNO3 + H2CO3 + CaCl2 =>
2 NaHCO3 + Ca(NO3)2 + 2 HCl = 2 NaNO3 + 2 H2CO3 + CaCl2
NaOH + H(NO3) = Na(NO3) + H(OH) =>
NaOH + H(NO3) = Na(NO3) + H(OH)
C2H4 + HCl = C2ClH3 + H2 =>
C2H4 + HCl = C2ClH3 + H2
HCO3{-} + H2O = H3O{+} + CO3{2-} =>
HCO3{-} + H2O = H3O{+} + CO3{2-}
H2SO4 + KHO = K2SO4 + H2O =>
H2SO4 + 2 KHO = K2SO4 + 2 H2O
C2H4 + HCl = C2ClH3 + H2 =>
C2H4 + HCl = C2ClH3 + H2
Ag(I)NO3BaSO4 = Ag(I)SO4BaNO3 =>
Ag(I)NO3BaSO4 = Ag(I)SO4BaNO3
Ti(OH)4 + H2Se = Ti(OH)2Se + H2O =>
Ti(OH)4 + H2Se = Ti(OH)2Se + 2 H2O
ClO3{-} + As2S3 + H2O = Cl{-} + H2AsO4{-]+SO4{-2}+H{+} =>
14 ClO3{-} + 3 As2S3 + 18 H2O = 14 Cl{-} + 6 H2AsO4{-]+9SO4{-2}+24H{+}
CaSO4 + KC4H4O6 = CO2 + H2O + CaS + K2CO3 =>
9 CaSO4 + 8 KC4H4O6 = 28 CO2 + 16 H2O + 9 CaS + 4 K2CO3
K2CrO4 + KOH + H2S = K3CrO3 + K2SO4 + H2O =>
8 K2CrO4 + 14 KOH + 3 H2S = 8 K3CrO3 + 3 K2SO4 + 10 H2O
KNOH + KMnO4 + H2SO4 = KNO3 + MnSO4 + KSO4 + H2O =>
4 KNOH + 5 KMnO4 + 10 H2SO4 = 4 KNO3 + 5 MnSO4 + 5 KSO4 + 12 H2O
AlCl3(aq) + Pb(NO3)2(aq) = Al(NO3)3(aq) + PbCl2 =>
2 AlCl3(aq) + 3 Pb(NO3)2(aq) = 2 Al(NO3)3(aq) + 3 PbCl2
HBr(aq) + Mg(s) = MgBr2(aq) + H2(g) =>
2 HBr(aq) + Mg(s) = MgBr2(aq) + H2(g)
Fe{3+} + N2H4 + OH{-} = Fe{2+} + N2 + H2O =>
4 Fe{3+} + N2H4 + 4 OH{-} = 4 Fe{2+} + N2 + 4 H2O
Ca + FeBr3 = Fe + CaBr2 =>
3 Ca + 2 FeBr3 = 2 Fe + 3 CaBr2
NO + KOH = KNO2 + N2 + H2O =>
6 NO + 4 KOH = 4 KNO2 + N2 + 2 H2O
K3PO4 + Ni(CH3CO2)2 = Ni3(PO4)2 + KCH3CO2 =>
2 K3PO4 + 3 Ni(CH3CO2)2 = Ni3(PO4)2 + 6 KCH3CO2
Ag + H2SO3 = Ag2SO3 + H2 =>
2 Ag + H2SO3 = Ag2SO3 + H2
Na3AsO4 + H2S + HCl = As2S5 + NaCl + H2O =>
2 Na3AsO4 + 5 H2S + 6 HCl = As2S5 + 6 NaCl + 8 H2O
As + Cl2 + H2O = H2AsO4 + HCl =>
As + 3 Cl2 + 4 H2O = H2AsO4 + 6 HCl
CaCO3 + H2O = Ca + H2OCO3 =>
CaCO3 + H2O = Ca + H2OCO3
Au + Cu(NO3)2 = Au(NO3)2 + Cu =>
Au + Cu(NO3)2 = Au(NO3)2 + Cu
NH3 + F = NF3 + HF =>
NH3 + 6 F = NF3 + 3 HF
C2H4 + HCl = C2ClH3 + H2 =>
C2H4 + HCl = C2ClH3 + H2
Fe(NO3)3(aq) + Ag(s) = Fe(NO3)2(aq) + AgNO3(aq) =>
Fe(NO3)3(aq) + Ag(s) = Fe(NO3)2(aq) + AgNO3(aq)
FeBr2 + AgNo3 = Fe(No3)2 + AgBr =>
FeBr2 + 2 AgNo3 = Fe(No3)2 + 2 AgBr
Pb(NO3)2(aq) + H2SO4(aq) = PbSO4(s) + HNO3(aq) =>
Pb(NO3)2(aq) + H2SO4(aq) = PbSO4(s) + 2 HNO3(aq)
NaClO2 + KI + H2SO4 = I2 + NaCl + K2SO4 + H2O =>
NaClO2 + 4 KI + 2 H2SO4 = 2 I2 + NaCl + 2 K2SO4 + 2 H2O
VO3{-} + H2SO4 = HVO3 + HSO4{-} =>
VO3{-} + H2SO4 = HVO3 + HSO4{-}
C2H4 + HCl = C2ClH3 + H2 =>
C2H4 + HCl = C2ClH3 + H2
PbS + CO2 = PbCO3 + COS =>
PbS + 2 CO2 = PbCO3 + COS
Ag(NO3)3 + Na2CrO4 = Ag2(CrO4)3 + NaNO3 =>
2 Ag(NO3)3 + 3 Na2CrO4 = Ag2(CrO4)3 + 6 NaNO3
KClO3NaCl = KClNaClO3 =>
KClO3NaCl = KClNaClO3
BaO2 = Ba + O2 =>
BaO2 = Ba + O2
C3H6 + NO = C3H3N + N2 + H2O =>
4 C3H6 + 6 NO = 4 C3H3N + N2 + 6 H2O
Zn + AgNO3 = Ag + Zn(NO3)3 =>
Zn + 3 AgNO3 = 3 Ag + Zn(NO3)3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
MgS + S2 = MgS2 =>
2 MgS + S2 = 2 MgS2
Na3PO4 + Ag2SO4 = Ag3PO4 + Na2SO4 =>
2 Na3PO4 + 3 Ag2SO4 = 2 Ag3PO4 + 3 Na2SO4
KOH + Al(OH)3 = K3(Al(OH)6) =>
3 KOH + Al(OH)3 = K3(Al(OH)6)
HClO2 + Na(OH)2 = H2O + Na(ClO2)2 =>
2 HClO2 + Na(OH)2 = 2 H2O + Na(ClO2)2
Fe2(SO3)3 = Fe2O3 + SO2 =>
Fe2(SO3)3 = Fe2O3 + 3 SO2
K2CO3 + Ca2(SO4)2 = CaCO3 + K2SO4 =>
2 K2CO3 + Ca2(SO4)2 = 2 CaCO3 + 2 K2SO4
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
CH2CHCH2OH + KMnO4 + H2O = KOH + MnO2 + CH2(OH)CH(OH)CH2(OH) =>
3 CH2CHCH2OH + 2 KMnO4 + 4 H2O = 2 KOH + 2 MnO2 + 3 CH2(OH)CH(OH)CH2(OH)
C2H4 + HCl = C2ClH3 + H2 =>
C2H4 + HCl = C2ClH3 + H2
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Équations équilibrées sur10/16/24
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