| Équations équilibrées la veille |
As4 + 26 H{+} + 30 HSO4{-} + 10 Pb3O4 = 4 H2AsO4{-} + 30 PbSO4 + 24 H2O
Pb2 + CuCl2 = PbCl2 + Cu2 =>
Pb2 + 2 CuCl2 = 2 PbCl2 + Cu2
C3H6O2 + O2 = CO2 + H2O =>
2 C3H6O2 + 7 O2 = 6 CO2 + 6 H2O
CaO + Mg = CaMg + O2 =>
2 CaO + 2 Mg = 2 CaMg + O2
FeO + Si = SiO2 + Fe =>
2 FeO + Si = SiO2 + 2 Fe
Cl + S + NaOH = NaCl + Na2SO4 + H2O =>
6 Cl + S + 8 NaOH = 6 NaCl + Na2SO4 + 4 H2O
H2SO4 + IH = SH2 + I2 + H2O =>
H2SO4 + 8 IH = SH2 + 4 I2 + 4 H2O
Mg(NO3)2 + Fe(NO3)3 + Ag(NO3)2 + CO(NH2)2 = AgMgFe2O4 + H2O + CO2 + N2 =>
3 Mg(NO3)2 + 6 Fe(NO3)3 + 3 Ag(NO3)2 + 26 CO(NH2)2 = 3 AgMgFe2O4 + 52 H2O + 26 CO2 + 41 N2
KNO3 + Li2CO3 = Li2NO3 + KCO3 =>
KNO3 + Li2CO3 = Li2NO3 + KCO3
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
H2SO4(conc) + Fe = FeSO4 + SO2 + H2O =>
2 H2SO4(conc) + Fe = FeSO4 + SO2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ag2O + HNO3 = AgNO3 + HOH =>
Ag2O + 2 HNO3 = 2 AgNO3 + HOH
C3H5(OH)3 + HBr = C3H5Br3 + H2O =>
C3H5(OH)3 + 3 HBr = C3H5Br3 + 3 H2O
Cu + H(NO3) = Cu(NO3)2 + H2 =>
Cu + 2 H(NO3) = Cu(NO3)2 + H2
KMnO4 + Na2S + NaOH = K2MnO4 + Na2SO4 + Na2MnO4 + H2O =>
8 KMnO4 + Na2S + 8 NaOH = 4 K2MnO4 + Na2SO4 + 4 Na2MnO4 + 4 H2O
Pb(HCO3)4 = PbO2 + CO2 + H2O =>
Pb(HCO3)4 = PbO2 + 4 CO2 + 2 H2O
KCr2O7 + FeCl2 + HCl = CrCl3 + KCl + FeCl3 + H2O =>
KCr2O7 + 7 FeCl2 + 14 HCl = 2 CrCl3 + KCl + 7 FeCl3 + 7 H2O
CH3CH2CH2CH2COOH + KOH = CH3CH2CH2CH2COOK + H2O =>
CH3CH2CH2CH2COOH + KOH = CH3CH2CH2CH2COOK + H2O
SiO2 + C + N2 = Si3N4 + CO2 =>
3 SiO2 + 3 C + 2 N2 = Si3N4 + 3 CO2
AgNO3 + HOH = Ag + O2 + HNO3 =>
4 AgNO3 + 2 HOH = 4 Ag + O2 + 4 HNO3
P + H3PO4 = H3PO4P =>
P + H3PO4 = H3PO4P
CaO2 + H2 = CaO + H2O =>
CaO2 + H2 = CaO + H2O
CHCl3 + H2O = CH(OH)3 + HCl =>
CHCl3 + 3 H2O = CH(OH)3 + 3 HCl
KMnO4 + H2SO4 + (NH4)2C2O4 = CO2 + Mn(SO4)3 + (NH4)2SO4 + KOH + H2O =>
2 KMnO4 + 7 H2SO4 + (NH4)2C2O4 = 2 CO2 + 2 Mn(SO4)3 + (NH4)2SO4 + 2 KOH + 6 H2O
MnO4 + NH3 = MnO2 + N2 + H2O =>
3 MnO4 + 4 NH3 = 3 MnO2 + 2 N2 + 6 H2O
AgCl + KNO2 = KCl + AgNO2 =>
AgCl + KNO2 = KCl + AgNO2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Cr(NO3)2 + Al2(SO4)3 = CrSO4 + Al(NO3)3 =>
3 Cr(NO3)2 + Al2(SO4)3 = 3 CrSO4 + 2 Al(NO3)3
Pb + HNO3 = Pb(NO3)2 + H2 =>
Pb + 2 HNO3 = Pb(NO3)2 + H2
S + HNO3 = SHNO3 =>
S + HNO3 = SHNO3
KNO3 + Ba(OH)2 = K(OH) + Ba(NO3)2 =>
2 KNO3 + Ba(OH)2 = 2 K(OH) + Ba(NO3)2
RuCl4 + NH4NO3 = NH4(RuNOCl3) + NO2 + H2O + HCl =>
6 RuCl4 + 11 NH4NO3 = 6 NH4(RuNOCl3) + 10 NO2 + 7 H2O + 6 HCl
NaCO3 + FeSO4 = NaSO4 + FeCO3 =>
NaCO3 + FeSO4 = NaSO4 + FeCO3
Br2 + H2O = HBr + O2 =>
2 Br2 + 2 H2O = 4 HBr + O2
CrCl2 + HCl + K2Cr2O7 = CrCl3 + KCl + H2O =>
6 CrCl2 + 14 HCl + K2Cr2O7 = 8 CrCl3 + 2 KCl + 7 H2O
CH4 + Br = CH3Br + H2 =>
2 CH4 + 2 Br = 2 CH3Br + H2
Br2 + OH{-}1 = H2O + Br{-}1 + BrO3{-}1 =>
3 Br2 + 6 OH{-}1 = 3 H2O + 5 Br{-}1 + BrO3{-}1
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CHCl3 + H2O = CO + HCl =>
CHCl3 + H2O = CO + 3 HCl
Ni(OH)2(ac) + H2SO3(ac) = Ni(HSO3)2(ac) + H2O(l) =>
Ni(OH)2(ac) + 2 H2SO3(ac) = Ni(HSO3)2(ac) + 2 H2O(l)
HNO3 + NaOH = H2ONaNO3 =>
HNO3 + NaOH = H2ONaNO3
KOOC2 + KMnO4 + KHSO4 = CO2 + MnSO4 + K2SO4 + H2O =>
KOOC2 + KMnO4 + 4 KHSO4 = 2 CO2 + MnSO4 + 3 K2SO4 + 2 H2O
C8H10N4O2 + O = CO + H2O + NO =>
C8H10N4O2 + 15 O = 8 CO + 5 H2O + 4 NO
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
CH5NO2 + C6H8O = C8H11N + CO2 + H2O =>
15 CH5NO2 + 19 C6H8O = 15 C8H11N + 9 CO2 + 31 H2O
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
C16H34 = C8H18 + C8H16 =>
C16H34 = C8H18 + C8H16
[Pt(NH3)5Cl]Cl3 = Cl + [Pt(NH3)5] =>
[Pt(NH3)5Cl]Cl3 = 4 Cl + [Pt(NH3)5]
CHCl3 + H2O = HCOOH + HCl =>
CHCl3 + 2 H2O = HCOOH + 3 HCl
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