| Équations équilibrées la veille |
9 H3PO2 + 4 CrO7{2-} + 20 H{+} = 9 H3PO4 + 4 Cr{3+} + 10 H2O
HI + AgOH = AgI + H2O =>
HI + AgOH = AgI + H2O
C6H5CHCH2 + KMnO4 + H2SO4 = C6H5COOH + H2O + K2SO4 + MnSO4 =>
7 C6H5CHCH2 + 8 KMnO4 + 12 H2SO4 = 8 C6H5COOH + 16 H2O + 4 K2SO4 + 8 MnSO4
C5H12N2O3 + O2 = CO2 + H2O + NH3 =>
C5H12N2O3 + 5 O2 = 5 CO2 + 3 H2O + 2 NH3
Cr(OH)2 + H{+} + e = Cr + H2O =>
Cr(OH)2 + 2 H{+} + 2e = Cr + 2 H2O
NaOH + Na2SO4 = SO4OH + Na =>
NaOH + Na2SO4 = SO4OH + 3 Na
Mg3N2 + K2O = MgO + K3N =>
Mg3N2 + 3 K2O = 3 MgO + 2 K3N
Cu + CuNO3 = Cu2O + N2 =>
10 Cu + 2 CuNO3 = 6 Cu2O + N2
HI + H2SO4 = H2S + I2 + H2O(l) =>
8 HI + H2SO4 = H2S + 4 I2 + 4 H2O(l)
Na2C2O4 + KBrO3 + H2O = CO2 + KBr + NaOH =>
3 Na2C2O4 + KBrO3 + 3 H2O = 6 CO2 + KBr + 6 NaOH
C2H6O + Ca(OH)2 = H2O + CO2 + Ca =>
C2H6O + 6 Ca(OH)2 = 9 H2O + 2 CO2 + 6 Ca
P + P2I4 + H2O = H3PO4 + PH4I =>
26 P + 5 P2I4 + 64 H2O = 16 H3PO4 + 20 PH4I
K2S(aq) + Cu(NO3)2(aq) = CuS(s) + KNO3(aq) =>
K2S(aq) + Cu(NO3)2(aq) = CuS(s) + 2 KNO3(aq)
Ag + Nh4SCn = AgSCn + Nh4 =>
Ag + Nh4SCn = AgSCn + Nh4
PbS = Pb + S8 =>
8 PbS = 8 Pb + S8
S8(g) + F2(g) = SF6(aq) =>
S8(g) + 24 F2(g) = 8 SF6(aq)
NO + C = CO + N =>
NO + C = CO + N
CuCl2(aq) + KI(aq) + C2H8N2 = [CuI(C2H8N2)2]*KCl2(aq) =>
CuCl2(aq) + KI(aq) + 2 C2H8N2 = [CuI(C2H8N2)2]*KCl2(aq)
C7H8(l) + O2(g) = CO(g) + H2O(g) =>
2 C7H8(l) + 11 O2(g) = 14 CO(g) + 8 H2O(g)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
NaAlO2 + NaOH + H2O = Na2[Al(OH)6] + H2 =>
2 NaAlO2 + 2 NaOH + 6 H2O = 2 Na2[Al(OH)6] + H2
C2H6O + Ca(OH)2 = H2O + CO2 + Ca =>
C2H6O + 6 Ca(OH)2 = 9 H2O + 2 CO2 + 6 Ca
Sn(OH)2 + H3(AsO4) = Sn3(AsO4)2 + H2O =>
3 Sn(OH)2 + 2 H3(AsO4) = Sn3(AsO4)2 + 6 H2O
Ni(NO3)2(aq) + Na2CO3(aq) = NaNO3(aq) + NiCO3(aq) =>
Ni(NO3)2(aq) + Na2CO3(aq) = 2 NaNO3(aq) + NiCO3(aq)
Na2SiO3 + Fe(NO3)3 = Fe2(SiO3)3 + Na3(NO3)3 =>
3 Na2SiO3 + 2 Fe(NO3)3 = Fe2(SiO3)3 + 2 Na3(NO3)3
MnO3 + O2 = MnO4 =>
2 MnO3 + O2 = 2 MnO4
POH + H2SO4 = P2SO4 + H2O =>
2 POH + H2SO4 = P2SO4 + 2 H2O
H2CO3 + Na2SiO3 = H2SiO3 + Na2CO3 =>
H2CO3 + Na2SiO3 = H2SiO3 + Na2CO3
HClO4(aq) + MgCO3(s) = Mg(ClO4)2(aq) + H2CO3(aq) =>
2 HClO4(aq) + MgCO3(s) = Mg(ClO4)2(aq) + H2CO3(aq)
Be(NO3)2(aq) + Li2CO3(aq) = BeCO3 + LiNO3 =>
Be(NO3)2(aq) + Li2CO3(aq) = BeCO3 + 2 LiNO3
Na + Fe2(CrO4)3 = Fe + Na2(CrO4) =>
6 Na + Fe2(CrO4)3 = 2 Fe + 3 Na2(CrO4)
N2H4(l) + O2(g) = NO(g) + H2O(g) =>
N2H4(l) + 2 O2(g) = 2 NO(g) + 2 H2O(g)
Na2S + I2 + NaOH = Na2SO4 + NaI + H2O =>
Na2S + 4 I2 + 8 NaOH = Na2SO4 + 8 NaI + 4 H2O
MgCa(CO3)2 = CaCO3 + MgO + CO2 =>
MgCa(CO3)2 = CaCO3 + MgO + CO2
MnCO3(s) = MnO + CO2 =>
MnCO3(s) = MnO + CO2
Na2CO3(s) + H2O(l) + CO2(g) = NaHCO3 =>
Na2CO3(s) + H2O(l) + CO2(g) = 2 NaHCO3
silver + iodine = silveriodide =>
2 Ag + I2 = 2 AgI
Cl2 + I3 = ICl =>
3 Cl2 + 2 I3 = 6 ICl
HIO3 + CO = I + CO2 + H2O =>
2 HIO3 + 5 CO = 2 I + 5 CO2 + H2O
Hg + Fe2O3 = HgO + Fe =>
3 Hg + Fe2O3 = 3 HgO + 2 Fe
C6H5CHCH2 + KMnO4 + H2SO4 = C6H5COOH + H2O + K2SO4 + MnSO4 =>
7 C6H5CHCH2 + 8 KMnO4 + 12 H2SO4 = 8 C6H5COOH + 16 H2O + 4 K2SO4 + 8 MnSO4
Cu + H = CuH =>
Cu + H = CuH
Hg2Cl2 + K2S = Hg2S + KCl =>
Hg2Cl2 + K2S = Hg2S + 2 KCl
Hg2(NO3)2 + Na2S = Hg2S + NaNO3 =>
Hg2(NO3)2 + Na2S = Hg2S + 2 NaNO3
CO2 + H2O + e = C2H4 + OH{-} =>
2 CO2 + 8 H2O + 12e = C2H4 + 12 OH{-}
PbO2 + CO2 = Pb(CO3)2 =>
PbO2 + 2 CO2 = Pb(CO3)2
Zn(NO3)2 + CuS = Cu(NO3)2 + ZnS =>
Zn(NO3)2 + CuS = Cu(NO3)2 + ZnS
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
P2O5 + HCl = PCl5 + HPO3 =>
3 P2O5 + 5 HCl = PCl5 + 5 HPO3
C3H6O2 + Na2CO3 = NaC3H5O2 + H2O + CO2 =>
2 C3H6O2 + Na2CO3 = 2 NaC3H5O2 + H2O + CO2
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Équations équilibrées sur10/17/24
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