| Équations équilibrées la veille |
2 HBr + Fe = H2Fe + 2 Br
C6H5COOH(aq) + NaHCO3(aq) = NaC6H5COO(aq) + H2O(l) + CO2(g) =>
C6H5COOH(aq) + NaHCO3(aq) = NaC6H5COO(aq) + H2O(l) + CO2(g)
SiH3F = Si + H2 + F2 =>
2 SiH3F = 2 Si + 3 H2 + F2
Zn + Au[NO2]2 = Zn[NO2]2 + Au =>
Zn + Au[NO2]2 = Zn[NO2]2 + Au
Cu2O + H2S = CuS + H2O2 + H2 =>
2 Cu2O + 4 H2S = 4 CuS + H2O2 + 3 H2
Na2S2O4 + H2CrO4 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
Na2S2O4 + 2 H2CrO4 + 2 H2SO4 = Cr2(SO4)3 + Na2SO4 + 4 H2O
Ca(OH)2 + H2C2O4 = H2O + CaC2O4 =>
Ca(OH)2 + H2C2O4 = 2 H2O + CaC2O4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuSO4 + KBr = CuBr2 + K2SO4 =>
CuSO4 + 2 KBr = CuBr2 + K2SO4
O2N + H2O = HO3N + NO =>
3 O2N + H2O = 2 HO3N + NO
Cr + OH = CrO2 + H =>
Cr + 2 OH = CrO2 + 2 H
H2C3H2O4 + KOH = H2O + K2C3H2O4 =>
H2C3H2O4 + 2 KOH = 2 H2O + K2C3H2O4
NaI + HgCl2 = HgI2 + NaCl =>
2 NaI + HgCl2 = HgI2 + 2 NaCl
Na2Co3*10H2O + CaCl2*2H2O = CaCo3(s) + NaCl(aq) + H2O =>
Na2Co3*10H2O + CaCl2*2H2O = CaCo3(s) + 2 NaCl(aq) + 12 H2O
KCl + Al(OH)3 = AlCl3 + KOH =>
3 KCl + Al(OH)3 = AlCl3 + 3 KOH
CH3OH + HCl = HCOH + ClH3 =>
CH3OH + HCl = HCOH + ClH3
Na2SeO4 + AgNO3 = NaNO3 + Ag2SeO4 =>
Na2SeO4 + 2 AgNO3 = 2 NaNO3 + Ag2SeO4
C3H9NO2 + O2 = CO2 + H2O + N2 =>
4 C3H9NO2 + 17 O2 = 12 CO2 + 18 H2O + 2 N2
HNO3(conc) + Fe(s) = Fe(NO3)3(aq) + NO2(g) + H2O(l) =>
6 HNO3(conc) + Fe(s) = Fe(NO3)3(aq) + 3 NO2(g) + 3 H2O(l)
FeO + H2SO4 = SO2 + Fe2(SO4)3 + H2O =>
2 FeO + 4 H2SO4 = SO2 + Fe2(SO4)3 + 4 H2O
KF + Na(OH) = K(OH) + NaF =>
KF + Na(OH) = K(OH) + NaF
Li + H2SO4 = H2S + Li2SO4 + H2O =>
8 Li + 5 H2SO4 = H2S + 4 Li2SO4 + 4 H2O
C2H2OH + K2Cr2O7 + H2SO4 = C2H2O2 + K2SO4 + Cr2(SO4)3 + H2O =>
2 C2H2OH + K2Cr2O7 + 4 H2SO4 = 2 C2H2O2 + K2SO4 + Cr2(SO4)3 + 5 H2O
P(ClO)5 + H2O = HClO + HPO3 =>
P(ClO)5 + 3 H2O = 5 HClO + HPO3
OCl{-} + S2O32{+} + OH{-} = SO42{-} + Cl{-} + H2O =>
101 OCl{-} + 2 S2O32{+} + 6 OH{-} = 4 SO42{-} + 101 Cl{-} + 3 H2O
Cu(NO3)2(aq) + NACl(aq) = CuCl2(s) + NANO3(aq) =>
Cu(NO3)2(aq) + 2 NACl(aq) = CuCl2(s) + 2 NANO3(aq)
Fe(s) + O2(g)Fe2O3(s) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g)Fe2O3(s) = 5 Fe2O3(s)
ClO3{-} + As2S3 + H2O = Cl{-} + H3AsO4 + SO4{-2} + H{+} =>
14 ClO3{-} + 3 As2S3 + 18 H2O = 14 Cl{-} + 6 H3AsO4 + 9 SO4{-2} + 18 H{+}
C4H6O5 + KI + KIO3 = COOK + I2 + H2O =>
C4H6O5 + 2 KI + 2 KIO3 = 4 COOK + 2 I2 + 3 H2O
FeCl3 + AgNO3 = Fe(NO3)3 + AgCl =>
FeCl3 + 3 AgNO3 = Fe(NO3)3 + 3 AgCl
Na + C2H2 = C2NaH + H2 =>
2 Na + 2 C2H2 = 2 C2NaH + H2
HCl + CaC2 = HC2 + CaCl =>
HCl + CaC2 = HC2 + CaCl
C112H23 + O = CO2 + H2O =>
2 C112H23 + 471 O = 224 CO2 + 23 H2O
ZnSO4 + AlCl3 = ZnCl2 + Al2(SO4)3 =>
3 ZnSO4 + 2 AlCl3 = 3 ZnCl2 + Al2(SO4)3
PbO(s) + C(s) = Pb(l) + CO =>
PbO(s) + C(s) = Pb(l) + CO
Zn{2+} + C10H16N2O8{2-} = ZnC10H16N2O8 =>
Zn{2+} + C10H16N2O8{2-} = ZnC10H16N2O8
HgO + NO2 + O = Hg(NO3)2 =>
HgO + 2 NO2 + O = Hg(NO3)2
FeCl3 + CuS2 = FeS2 + CuCl3 =>
FeCl3 + CuS2 = FeS2 + CuCl3
Fe3O4 + H2(g) = Fe(s) + H2O(g) =>
Fe3O4 + 4 H2(g) = 3 Fe(s) + 4 H2O(g)
As2S3 + NO3{-} + H2O = HSO4{-} + As2SO3 + NO2 + H =>
As2S3 + 2 NO3{-} + 9 H2O = 2 HSO4{-} + As2SO3 + 2 NO2 + 16 H
KMnO4 + H2SO4 + H2O2 = K(SO4) + MnO4 + H2O =>
KMnO4 + H2SO4 + H2O2 = K(SO4) + MnO4 + 2 H2O
Fr2CO3 + Mg = MgCO3 + Fr =>
Fr2CO3 + Mg = MgCO3 + 2 Fr
Na2S + AgNO3 = Na2NO3 + AgS =>
Na2S + AgNO3 = Na2NO3 + AgS
C3H6O3 + C2H6O = C4H8O2 + H2O =>
2 C3H6O3 + 3 C2H6O = 3 C4H8O2 + 3 H2O
Fe(OH)3 + CO2 = Fe(CO2)2 + OH =>
Fe(OH)3 + 2 CO2 = Fe(CO2)2 + 3 OH
Cu + Cl2 = ClCu =>
2 Cu + Cl2 = 2 ClCu
NaNO2 + KMnO4 + H2SO4 = NO2 + K2SO4 + Na2SO4 + MnSO4 + H2O =>
10 NaNO2 + 2 KMnO4 + 8 H2SO4 = 10 NO2 + K2SO4 + 5 Na2SO4 + 2 MnSO4 + 8 H2O
Cr(OH)3 + Na2SO4 + H2O2 = Na2CrO4 + H2O + H2SO4 =>
2 Cr(OH)3 + 2 Na2SO4 + 3 H2O2 = 2 Na2CrO4 + 4 H2O + 2 H2SO4
SO3{-2} + Cr{+2} + OH{-} = Cr + SO4{-2} + H2O =>
SO3{-2} + Cr{+2} + 2 OH{-} = Cr + SO4{-2} + H2O
CH3OH + HCHO = C3H8O2 + H2O =>
2 CH3OH + HCHO = C3H8O2 + H2O
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Équations équilibrées sur01/09/25
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