| Équations équilibrées la veille |
3 HCO3{-} + H3C6H5O7 = 3 CO2 + 3 H2O + C6H5O7{-3}
Na3CrO3 + H2O2 = Na2CrO4 + NaOH + H2O =>
2 Na3CrO3 + 3 H2O2 = 2 Na2CrO4 + 2 NaOH + 2 H2O
C7H5O6N3 + O2 = CO2 + N2 + H2O =>
4 C7H5O6N3 + 21 O2 = 28 CO2 + 6 N2 + 10 H2O
CrO4 + Cu + H = Cr(OH)3 + Cu(OH)2 =>
2 CrO4 + Cu + 8 H = 2 Cr(OH)3 + Cu(OH)2
C6H8O7 + H2O = CO2 + H =>
C6H8O7 + 5 H2O = 6 CO2 + 18 H
C4H10 + Cl2 = C4H8Cl2 + H2 =>
C4H10 + Cl2 = C4H8Cl2 + H2
Si(s) + S8(s) = Si2S4(s) =>
4 Si(s) + S8(s) = 2 Si2S4(s)
HCl + K2SO3 = H2SO3 + KCl =>
2 HCl + K2SO3 = H2SO3 + 2 KCl
Sn(NO3)4 + K2SO3 = Sn2(SO3)4 + KNO3 =>
2 Sn(NO3)4 + 4 K2SO3 = Sn2(SO3)4 + 8 KNO3
Li + He = LiHe =>
Li + He = LiHe
Fe + CuSO4(aq) = Fe2(SO4)3(aq) + Cu(s) =>
2 Fe + 3 CuSO4(aq) = Fe2(SO4)3(aq) + 3 Cu(s)
H2O2(aq) + I{-}(aq) = H2O(l) + IO{-}(aq) =>
H2O2(aq) + I{-}(aq) = H2O(l) + IO{-}(aq)
SnO + NF3 = SnF2 + N2O3 =>
3 SnO + 2 NF3 = 3 SnF2 + N2O3
Sc + H2SO4 = Sc2(SO4)3 + SO2 + H2O =>
2 Sc + 6 H2SO4 = Sc2(SO4)3 + 3 SO2 + 6 H2O
Na2S2O4 = Na2S2O3 + Na2SO3 + SO2 =>
2 Na2S2O4 = Na2S2O3 + Na2SO3 + SO2
Fe{2+} + C2O4{2-} = FeC2O4 =>
Fe{2+} + C2O4{2-} = FeC2O4
NH2(g) + O2(g) = NO(g) + H2O(l) =>
NH2(g) + O2(g) = NO(g) + H2O(l)
Cr + Pb(NO3)2 = Cr(NO3)3 + Pb =>
2 Cr + 3 Pb(NO3)2 = 2 Cr(NO3)3 + 3 Pb
K2CO3(aq) + Ba(NO3)2(aq) = KNO3(aq) + BaCO3(s) =>
K2CO3(aq) + Ba(NO3)2(aq) = 2 KNO3(aq) + BaCO3(s)
SrI2 + Br2 = SrBr2 + I =>
SrI2 + Br2 = SrBr2 + 2 I
Ag + N2 = Ag3N =>
6 Ag + N2 = 2 Ag3N
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
CCl4 + HCl = CH4 + Cl2 =>
CCl4 + 4 HCl = CH4 + 4 Cl2
C6H12O6 + H2O = C2H5OH + O2 =>
C6H12O6 + 3 H2O = 3 C2H5OH + 3 O2
CrCl3 + NaOH = Cr2O3 + HCl + NaCl =>
2 CrCl3 + 3 NaOH = Cr2O3 + 3 HCl + 3 NaCl
P + NaOH + H2O = PH3 + Na2HPO3 =>
2 P + 2 NaOH + H2O = PH3 + Na2HPO3
H2S + CsOH = Cs2S + H2O =>
H2S + 2 CsOH = Cs2S + 2 H2O
Cu + H2SO4 = Cu2(SO4)3 + H2O + SO2 =>
2 Cu + 6 H2SO4 = Cu2(SO4)3 + 6 H2O + 3 SO2
(NH4)2S(aq) + SrCl2(aq) = NH4Cl + SrS =>
(NH4)2S(aq) + SrCl2(aq) = 2 NH4Cl + SrS
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
SeO2 + H2O = H2SeO3 =>
SeO2 + H2O = H2SeO3
Cr + ClO = CrO4 + Cl =>
Cr + 4 ClO = CrO4 + 4 Cl
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Cr + HNO3 = Cr(NO3)3 + H2 =>
2 Cr + 6 HNO3 = 2 Cr(NO3)3 + 3 H2
Fe(OH)2 = Fe2O3 + FeO4 + H =>
5 Fe(OH)2 = 2 Fe2O3 + FeO4 + 10 H
PBr5 = P + Br =>
PBr5 = P + 5 Br
Ca + NaOH = Ca(OH)2 + Na =>
Ca + 2 NaOH = Ca(OH)2 + 2 Na
Cu(s) + H2SO4 = CuSO4 + H2 =>
Cu(s) + H2SO4 = CuSO4 + H2
NaHCO3 + N2 = NaNO3 + C2H2 =>
2 NaHCO3 + N2 = 2 NaNO3 + C2H2
Ca + Cl = Ca2Cl =>
2 Ca + Cl = Ca2Cl
C2H2 + KMnO4 = H2CCOOK + MnO2 =>
C2H2 + KMnO4 = H2CCOOK + MnO2
NaClO2 + C6H8O7 = C6H5Na3O7 + HClO2 =>
3 NaClO2 + C6H8O7 = C6H5Na3O7 + 3 HClO2
Ba(NO3)2 + KH2PO4 = Ba(H2PO4)2 + KNO3 =>
Ba(NO3)2 + 2 KH2PO4 = Ba(H2PO4)2 + 2 KNO3
NH3 + O = HNO3 + H2O =>
NH3 + 4 O = HNO3 + H2O
Mg(NO3)2(aq) + Ag(s) = AgNO3 + Mg =>
Mg(NO3)2(aq) + 2 Ag(s) = 2 AgNO3 + Mg
Cr2O7{-}2 + H2C2O4 + H{+} = Cr{+}3 + CO2 + H2O =>
2 Cr2O7{-}2 + 11 H2C2O4 + 6 H{+} = 4 Cr{+}3 + 22 CO2 + 14 H2O
FeCl2 + KMnO4 + H2SO4 = Cl2 + K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
10 FeCl2 + 6 KMnO4 + 24 H2SO4 = 10 Cl2 + 3 K2SO4 + 6 MnSO4 + 5 Fe2(SO4)3 + 24 H2O
HCl(aq) + K2SO3(s) = H2O(l) + KCl(aq) + SO2(g) =>
2 HCl(aq) + K2SO3(s) = H2O(l) + 2 KCl(aq) + SO2(g)
SrI2 + Br2 = SrBr2 + I =>
SrI2 + Br2 = SrBr2 + 2 I
Zn + HNO3(dil) = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3(dil) = 4 Zn(NO3)2 + N2O + 5 H2O
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