| Équations équilibrées la veille |
2 C2H5COOH + 4 H{+} + 4 NO3{-} = 3 CH3COOH + 4 NO2 + 2 H2O
NiCl2 + O2 = NiO + Cl2*O5 =>
NiCl2 + 3 O2 = NiO + Cl2*O5
FeS + HNO3 + H2SO4 = Fe2(SO4)3 + HNO + H2O =>
4 FeS + 9 HNO3 + 2 H2SO4 = 2 Fe2(SO4)3 + 9 HNO + 2 H2O
CO + H2O = C4H10 + CO2 =>
13 CO + 5 H2O = C4H10 + 9 CO2
Cr(OH)3Ca(OH)2 = Ca(Cr(OH)5) =>
Cr(OH)3Ca(OH)2 = Ca(Cr(OH)5)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CrO2 + H2SO4 = H2Cr2O7 + Cr2(SO4)3 + H2O =>
6 CrO2 + 6 H2SO4 = H2Cr2O7 + 2 Cr2(SO4)3 + 5 H2O
HCl + AlI3 = AlCl3 + HI =>
3 HCl + AlI3 = AlCl3 + 3 HI
Co(OH)2 + H2O2 + H2SO4 = CoOHSO4 + H2O =>
2 Co(OH)2 + H2O2 + 2 H2SO4 = 2 CoOHSO4 + 4 H2O
CrO3(s) + H2O(l) = Cr(OH)6(s) =>
CrO3(s) + 3 H2O(l) = Cr(OH)6(s)
C7H16 + O2 = CO2 + H2 =>
C7H16 + 7 O2 = 7 CO2 + 8 H2
(NH4)2Cr2O7 = Cr2O3 + H2O + N2 =>
(NH4)2Cr2O7 = Cr2O3 + 4 H2O + N2
C4H6O4Hg + Na2S = HgS + Na2C4H6O4 =>
C4H6O4Hg + Na2S = HgS + Na2C4H6O4
Br2 + Cr(OH)2 + KOH = KBr + Cr(OH)3 =>
Br2 + 2 Cr(OH)2 + 2 KOH = 2 KBr + 2 Cr(OH)3
HCl(g) + Ba(OH)2(s) = BaCl2(s) + H2O(g) =>
2 HCl(g) + Ba(OH)2(s) = BaCl2(s) + 2 H2O(g)
NH4Cl + K2SiO3 = NH3 + SiO2 + KCl + H2O =>
2 NH4Cl + K2SiO3 = 2 NH3 + SiO2 + 2 KCl + H2O
AgNO3 + SO3 = Ag2(SO3)2 + NO3 =>
2 AgNO3 + 2 SO3 = Ag2(SO3)2 + 2 NO3
KOH + CoCl2 = CoOH + KCl2 =>
KOH + CoCl2 = CoOH + KCl2
Cr2O72{-} + H{+} + Cu = Cr3{+} + H2O + Cu2{+} =>
3 Cr2O72{-} + 432 H{+} + 854 Cu = 2 Cr3{+} + 216 H2O + 427 Cu2{+}
Mn(NO3)2 + Na2SO3 = NaNO3 + MnSO3 =>
Mn(NO3)2 + Na2SO3 = 2 NaNO3 + MnSO3
N2H3CH3 + N2O4 = N2 + H2O + CO2 =>
4 N2H3CH3 + 5 N2O4 = 9 N2 + 12 H2O + 4 CO2
K2Cr2O7 + HCl2 = CrCl3 + KCl + H2O + Cl2 =>
K2Cr2O7 + 14 HCl2 = 2 CrCl3 + 2 KCl + 7 H2O + 10 Cl2
KOH + PbS = PbOH + KS =>
KOH + PbS = PbOH + KS
C9H20 + H3PO4 = P2O3 + CO2 + H2O =>
C9H20 + 28 H3PO4 = 14 P2O3 + 9 CO2 + 52 H2O
Cl2(OH)5 + H2O = Cl2(OH)5H2O =>
Cl2(OH)5 + H2O = Cl2(OH)5H2O
H2 + (SO3)3 = H2(SO3)3 =>
H2 + (SO3)3 = H2(SO3)3
GaCl3 + NaHSe = Ga2Se3 + Cl2NaH =>
2 GaCl3 + 3 NaHSe = Ga2Se3 + 3 Cl2NaH
Ca(CH3CO2)2(aq) + HCl(aq) = CaCl2(aq) + HCH3CO2(aq) =>
Ca(CH3CO2)2(aq) + 2 HCl(aq) = CaCl2(aq) + 2 HCH3CO2(aq)
CrO3 + ZnO = Zn(CrO4) =>
CrO3 + ZnO = Zn(CrO4)
CaBr2 + H2SO4 = Ca2(SO4)2 + HBr =>
2 CaBr2 + 2 H2SO4 = Ca2(SO4)2 + 4 HBr
NH3 + Pb(NO3)2 = Pb(NH3)2(NO3)2 =>
2 NH3 + Pb(NO3)2 = Pb(NH3)2(NO3)2
Hg2O + CH3COOH = (CH3COO)Hg + H2O =>
Hg2O + 2 CH3COOH = 2(CH3COO)Hg + H2O
Zn + NaOH + Ba(NO3)2 = Na2ZnO2 + BaZnO2 + NH3 + H2O =>
8 Zn + 14 NaOH + Ba(NO3)2 = 7 Na2ZnO2 + BaZnO2 + 2 NH3 + 4 H2O
Pb(ClO4)2 + I2 = PbI2 + Cl2 + O =>
Pb(ClO4)2 + I2 = PbI2 + Cl2 + 8 O
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Cu(s) + Zn = CuZn =>
Cu(s) + Zn = CuZn
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
O2 + C5H12O2 = C2O4 + H2O =>
14 O2 + 2 C5H12O2 = 5 C2O4 + 12 H2O
Ca(C2H3O2)2 + KOH = Ca(OH)2 + K(C2H3O2) =>
Ca(C2H3O2)2 + 2 KOH = Ca(OH)2 + 2 K(C2H3O2)
Li2O + NaCl = Na2O + LiCl =>
Li2O + 2 NaCl = Na2O + 2 LiCl
MgCl2 + K = KCl + Mg =>
MgCl2 + 2 K = 2 KCl + Mg
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
NH3 + O2 = N + H2O =>
4 NH3 + 3 O2 = 4 N + 6 H2O
Zn + AgNo3 = Ag + Zn(No3)2 =>
Zn + 2 AgNo3 = 2 Ag + Zn(No3)2
ZnS + H2SO4 = ZnSO4 + S + H2 =>
ZnS + H2SO4 = ZnSO4 + S + H2
Fe(s) + Sn4N(aq) = Fe3N(aq) + Sn =>
3 Fe(s) + Sn4N(aq) = Fe3N(aq) + 4 Sn
C3H4 + Cl2 = C3H4Cl2 =>
C3H4 + Cl2 = C3H4Cl2
AgCl + SnCl2 = Ag + SnCl4 =>
2 AgCl + SnCl2 = 2 Ag + SnCl4
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Équations équilibrées sur11/14/24
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