| Équations équilibrées la veille |
NH3 + HCOOH = NH4 + HCOO
CH2BrCHCHCH2Br + NaOH + H2O = CH2OHCHOHCH2CH2OH + NaBr =>
CH2BrCHCHCH2Br + 2 NaOH + H2O = CH2OHCHOHCH2CH2OH + 2 NaBr
CH3CO2K + HBr = KBr + CH3COOH =>
CH3CO2K + HBr = KBr + CH3COOH
Br2 + NaOH = NaBr + NaBrO + H2O =>
Br2 + 2 NaOH = NaBr + NaBrO + H2O
C2H6(aq) + O2(g) = CO2(g) + H2O(l) =>
2 C2H6(aq) + 7 O2(g) = 4 CO2(g) + 6 H2O(l)
CuSO4 + Pb(NO3)2 = Cu(NO3)2 + SO4Pb =>
CuSO4 + Pb(NO3)2 = Cu(NO3)2 + SO4Pb
BaO + SO = BaO2 + S =>
BaO + SO = BaO2 + S
Ba(OH)2 + Be(OH)2 = BaBeO2 + H2O =>
Ba(OH)2 + Be(OH)2 = BaBeO2 + 2 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
H2 + AgNO3 = AgO + NO + H2O =>
H2 + AgNO3 = AgO + NO + H2O
Ca(OH)2 + HBr = H2O + Ca(Br)2 =>
Ca(OH)2 + 2 HBr = 2 H2O + Ca(Br)2
C2H6O + Cr2O7{-}2 + H{+} = C2H4O + H2O + Cr3{+} =>
37 C2H6O + 6 Cr2O7{-}2 + 10 H{+} = 37 C2H4O + 42 H2O + 4 Cr3{+}
HBr + Fe(OH)3 = Fe(OH)2Br + H2O =>
HBr + Fe(OH)3 = Fe(OH)2Br + H2O
Fe(OH)3 + Cl2 = FeCl3 + H2O + O2 =>
4 Fe(OH)3 + 6 Cl2 = 4 FeCl3 + 6 H2O + 3 O2
SPb + H2O2 = PbSO4 + H2O =>
SPb + 4 H2O2 = PbSO4 + 4 H2O
H2O2 + Fe + H{+} = Fe{+} + H2O =>
H2O2 + 2 Fe + 2 H{+} = 2 Fe{+} + 2 H2O
La(NO3{-}1)3 + Ba(OH{-}1)2 = La(OH{-}1)3 + Ba(NO3{-}1)2 =>
2 La(NO3{-}1)3 + 3 Ba(OH{-}1)2 = 2 La(OH{-}1)3 + 3 Ba(NO3{-}1)2
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
IO3{-} + HSO3{-} + OH{-} = I{-} + SO4{-2} + H2O =>
IO3{-} + 3 HSO3{-} + 3 OH{-} = I{-} + 3 SO4{-2} + 3 H2O
Ca + HI = CaI2 + H2 =>
Ca + 2 HI = CaI2 + H2
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
CHCl3 + Mg = CH(MgCl)3 =>
CHCl3 + 3 Mg = CH(MgCl)3
Fe + CuNO3 = Fe3NO3 + Cu =>
3 Fe + CuNO3 = Fe3NO3 + Cu
Fe2S3O12 + BaN2O6 = FeN3O9 + BaSO4 =>
Fe2S3O12 + 3 BaN2O6 = 2 FeN3O9 + 3 BaSO4
C4H9OH + PBr5 = C4H9Br + POBr3 + HBr =>
C4H9OH + PBr5 = C4H9Br + POBr3 + HBr
Na2(SO4) + MgBr2 = NaBr + Mg(SO4) =>
Na2(SO4) + MgBr2 = 2 NaBr + Mg(SO4)
KMnO4 + Ca(NO2)2 + H2SO4 = K2SO4 + CaSO4 + Mn(NO3)2 + KNO3 + H2O =>
4 KMnO4 + 5 Ca(NO2)2 + 6 H2SO4 = K2SO4 + 5 CaSO4 + 4 Mn(NO3)2 + 2 KNO3 + 6 H2O
(NH4)4[Fe(CN)6] + MgMnO4 + KOH = Fe2O3 + MgO + MnO + K2CO3 + N2 + H2O =>
4(NH4)4[Fe(CN)6] + 43 MgMnO4 + 48 KOH = 2 Fe2O3 + 43 MgO + 43 MnO + 24 K2CO3 + 20 N2 + 56 H2O
Sr2(CO3)2 = Sr + (CO3)2 =>
Sr2(CO3)2 = 2 Sr + (CO3)2
CH3CHClCH2CH3 + OH = OCl + CH3CH2CH2CH3 =>
CH3CHClCH2CH3 + OH = OCl + CH3CH2CH2CH3
Bi(OH)3(s) + HNO3(aq) = Bi(NO3)3(aq) + H2O(l) =>
Bi(OH)3(s) + 3 HNO3(aq) = Bi(NO3)3(aq) + 3 H2O(l)
KBr + H2O = KOH + HBr =>
KBr + H2O = KOH + HBr
Co(OH)2 + H2SO4 = (CoOH)2SO4 + H2O =>
2 Co(OH)2 + H2SO4 = (CoOH)2SO4 + 2 H2O
NaHCO3OH + HCOOH = H2O + CO2 + Na =>
NaHCO3OH + HCOOH = 2 H2O + 2 CO2 + Na
NaOH + H3C5H5O7 = H2O + Na + H2C5H5O7 =>
NaOH + H3C5H5O7 = H2O + Na + H2C5H5O7
MgOHCl + H2SO4 = MgSO3(OH)2 + HCl =>
MgOHCl + H2SO4 = MgSO3(OH)2 + HCl
Na2SO3 + Pb(NO3)2 = PbSO3 + Na2(NO3)2 =>
Na2SO3 + Pb(NO3)2 = PbSO3 + Na2(NO3)2
Cr(s) + Mg(NO3)3(aq) = Cr(NO3)2(aq) + Mg(s) =>
3 Cr(s) + 2 Mg(NO3)3(aq) = 3 Cr(NO3)2(aq) + 2 Mg(s)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
C4H10 + O = C(O)2 + H2O =>
C4H10 + 13 O = 4 C(O)2 + 5 H2O
Mg + NHO3 = Mg(NO3) + H =>
Mg + NHO3 = Mg(NO3) + H
C6H6 + HNO3 = C6H3N3O6 + H2O =>
C6H6 + 3 HNO3 = C6H3N3O6 + 3 H2O
HIO + NaOH = NaI + NaIO3 + H2O =>
3 HIO + 3 NaOH = 2 NaI + NaIO3 + 3 H2O
Cr2(SO4)3 + K(ClO3) + KOH = K2(CrO4) + KCl + K2(SO4) + H2O =>
Cr2(SO4)3 + K(ClO3) + 10 KOH = 2 K2(CrO4) + KCl + 3 K2(SO4) + 5 H2O
NH3(aq) + CuSO4(aq) = N2Cu3(aq) + H2SO4(aq) =>
2 NH3(aq) + 3 CuSO4(aq) = N2Cu3(aq) + 3 H2SO4(aq)
HCl(aq) + Mg(NO3)2(aq) = HNO3(aq) + MgCl2(aq) =>
2 HCl(aq) + Mg(NO3)2(aq) = 2 HNO3(aq) + MgCl2(aq)
VO2{+} + SeO3{-2} = VO{+} + SeO4{-2} =>
VO2{+} + SeO3{-2} = VO{+} + SeO4{-2}
H2SO3 + Na2SO4 = Na2SO3 + H2SO4 =>
H2SO3 + Na2SO4 = Na2SO3 + H2SO4
CO2 + K2SO4 + MnSO4 + H2O = H2C2O4 + KMnO4 + H2SO4 =>
10 CO2 + K2SO4 + 2 MnSO4 + 8 H2O = 5 H2C2O4 + 2 KMnO4 + 3 H2SO4
Al + Fe = AlFe3 =>
Al + 3 Fe = AlFe3
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