| Équations équilibrées la veille |
2 NHCl2 = 2 HCl + Cl2 + N2
HCOOH + CaCO3 = CO2 + Ca(CH3COO)2 + H2O =>
8 HCOOH + CaCO3 = 5 CO2 + Ca(CH3COO)2 + 5 H2O
Na2S + NaClO = NaCl + Na2SO4 =>
Na2S + 4 NaClO = 4 NaCl + Na2SO4
CrF4 + H2O = CrO2 + HF =>
CrF4 + 2 H2O = CrO2 + 4 HF
FeS + NO2{-} + H{+} = Fe3{+} + (SO3)2{-} + H2O + NO =>
6 FeS + 35 NO2{-} + 34 H{+} = 2 Fe3{+} + 3(SO3)2{-} + 17 H2O + 35 NO
KMnO3 + H2SO4 = K2SO4 + MnSO4 + H2O + O =>
2 KMnO3 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 3 H2O + 3 O
Sr(ClO3)2 + Al2(SO4)3 = SrSO4 + Al(ClO3)3 =>
3 Sr(ClO3)2 + Al2(SO4)3 = 3 SrSO4 + 2 Al(ClO3)3
K + MnO3 = K2MnO3 =>
2 K + MnO3 = K2MnO3
Ca(HCO3)2 + KOH = CaCO3 + KHCO3 + H2O =>
Ca(HCO3)2 + KOH = CaCO3 + KHCO3 + H2O
Zn + Na{+} = Zn2{+} + Na =>
2 Zn + Na{+} = Zn2{+} + Na
(ZnOH)2CO3 + CO2 = ZnCO3 + H2O =>
(ZnOH)2CO3 + CO2 = 2 ZnCO3 + H2O
SO2(H2S)2 + FeCl3 + H2O = FeCl2 + H2SO4 + HCl =>
SO2(H2S)2 + 18 FeCl3 + 10 H2O = 18 FeCl2 + 3 H2SO4 + 18 HCl
PbO2 + HI = PbI + I2 + H2O =>
2 PbO2 + 8 HI = 2 PbI + 3 I2 + 4 H2O
Au + HCl = AuCl2 + H2 =>
Au + 2 HCl = AuCl2 + H2
FeSO4 + KSCN = Fe(SCN)2 + K2SO4 =>
FeSO4 + 2 KSCN = Fe(SCN)2 + K2SO4
CH3OH + KCl = CH3Cl + KOH =>
CH3OH + KCl = CH3Cl + KOH
CaCl2(aq) + NaNO3(aq) = Ca(NO3)2 + NaCl =>
CaCl2(aq) + 2 NaNO3(aq) = Ca(NO3)2 + 2 NaCl
Cu + AgNO3 = Cu(AgNO3) =>
Cu + AgNO3 = Cu(AgNO3)
Al2O3 + S = Al + SO3 =>
Al2O3 + S = 2 Al + SO3
CH3COONa + KOH = CH3COOK + NaOH =>
CH3COONa + KOH = CH3COOK + NaOH
La2O3 + MnO2 + SrCO3 = La8Sr8MnO3 + CO2 + O2 =>
8 La2O3 + 2 MnO2 + 16 SrCO3 = 2 La8Sr8MnO3 + 16 CO2 + 19 O2
Li + O1 = Li2O =>
2 Li + O1 = Li2O
CH4 + Fe2 + O2 = CH4Fe2O2 =>
CH4 + Fe2 + O2 = CH4Fe2O2
Fe2Cl2 + CaOH2 = Fe2OH2 + CaCl2 =>
Fe2Cl2 + CaOH2 = Fe2OH2 + CaCl2
I + H2SO4 = ISO4 + H =>
I + H2SO4 = ISO4 + 2 H
Li*H2O = LiOH + H2 =>
2 Li*H2O = 2 LiOH + H2
KH2PO4 + Ca(NO3)2 = KNO3 + Ca(H2PO4)2 =>
2 KH2PO4 + Ca(NO3)2 = 2 KNO3 + Ca(H2PO4)2
C6H5COOH + CH3OH = C6H5COOH3 + H2O =>
5 C6H5COOH + 7 CH3OH = 6 C6H5COOH3 + 5 H2O
NH4{+} + HgI4{2-} + OH{-} = Hg2NI*H2O + I{-} + H2O =>
NH4{+} + 2 HgI4{2-} + 4 OH{-} = Hg2NI*H2O + 7 I{-} + 3 H2O
HCl + Na2CO3 = CO2 + H2O + NaCl =>
2 HCl + Na2CO3 = CO2 + H2O + 2 NaCl
Al(OH)3 + H4SIO4 = Al4(SIO4)3 + H2O =>
4 Al(OH)3 + 3 H4SIO4 = Al4(SIO4)3 + 12 H2O
AlCl(aq) + AgC2H3O2(aq) = AgCl(s) + AlC2H3O2(aq) =>
AlCl(aq) + AgC2H3O2(aq) = AgCl(s) + AlC2H3O2(aq)
C10H20O2(s) + O2(g) = CO2(g) + H2O(l) =>
C10H20O2(s) + 14 O2(g) = 10 CO2(g) + 10 H2O(l)
CH3COOLi + O2 = Li2O + CO2 + H2O =>
2 CH3COOLi + 4 O2 = Li2O + 4 CO2 + 3 H2O
CrO4{-2} + SO3{-2} + H2O = CrO2{-} + SO4{-2} + OH{-} =>
2 CrO4{-2} + 3 SO3{-2} + H2O = 2 CrO2{-} + 3 SO4{-2} + 2 OH{-}
P + NaIO3 + NaOH = Na2HPO3 + I2 + H2O =>
10 P + 6 NaIO3 + 14 NaOH = 10 Na2HPO3 + 3 I2 + 2 H2O
PbO2 + H2SO4 = PbSO4 + H2O + O2 =>
2 PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O + O2
C6H2(NO2)3OH + O2 = CO2 + N2 + H2O =>
4 C6H2(NO2)3OH + 13 O2 = 24 CO2 + 6 N2 + 6 H2O
C3H3O6 + O2 = CO2 + H2O =>
4 C3H3O6 + 3 O2 = 12 CO2 + 6 H2O
Mg(OH)2(aq) + HNO2(aq) = Mg(NO2)2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HNO2(aq) = Mg(NO2)2(aq) + 2 H2O(l)
H2SO4 + NaCl = Na2SO4 + HCl =>
H2SO4 + 2 NaCl = Na2SO4 + 2 HCl
HNO3 + BeCO3 = Be(NO3)2 + H2O + CO2 =>
2 HNO3 + BeCO3 = Be(NO3)2 + H2O + CO2
KNO3 + HNO2 = KNO2 + HNO3 =>
KNO3 + HNO2 = KNO2 + HNO3
KAlO2 + H2SO4 + H2O = KAl(SO4)2*12H2O =>
KAlO2 + 2 H2SO4 + 10 H2O = KAl(SO4)2*12H2O
H + K2S = K + H2S =>
2 H + K2S = 2 K + H2S
Fe + PbCI2 = FeCI2 + Pb =>
Fe + PbCI2 = FeCI2 + Pb
FeS + NO2{-} + H{+} = Fe3{+} + SO32{-} + H2O + NO =>
3 FeS + 190 NO2{-} + 188 H{+} = Fe3{+} + 3 SO32{-} + 94 H2O + 190 NO
Au + HCl = AuCl3 + H2 =>
2 Au + 6 HCl = 2 AuCl3 + 3 H2
C6H4(COOH)2 + KHCO3 = C6H4(COOK)2 + CO2 + H2O =>
C6H4(COOH)2 + 2 KHCO3 = C6H4(COOK)2 + 2 CO2 + 2 H2O
SeO3 + H2O = H2SeO3 + OH =>
SeO3 + 2 H2O = H2SeO3 + 2 OH
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