| Équations équilibrées la veille |
2 K2CrO4 + 3 K2S + 16 HCl = 10 KCl + 2 CrCl3 + 3 S + 8 H2O
NiBr2 + NaOH = Ni(OH)2 + NaBr =>
NiBr2 + 2 NaOH = Ni(OH)2 + 2 NaBr
NaHCO3 + H3C6H6O7 = CO2 + H2O + Na3C6H5O7 =>
57 NaHCO3 + 18 H3C6H6O7 = 51 CO2 + 62 H2O + 19 Na3C6H5O7
CH4 + KMnO4 + H2O = CH4O2H2 + KOH + MnO2 =>
3 CH4 + 2 KMnO4 + 4 H2O = 3 CH4O2H2 + 2 KOH + 2 MnO2
Na + AgCl2 = NaAgCl2 =>
Na + AgCl2 = NaAgCl2
Fe(OH)2 + NH4OH = Fe(OH)3 + NH4 =>
Fe(OH)2 + NH4OH = Fe(OH)3 + NH4
I + H2S = S + IH =>
2 I + H2S = S + 2 IH
Fe{3+} + (NH4)2S = Fe2S3 + NH4{+} =>
2 Fe{3+} + 3(NH4)2S = Fe2S3 + 6 NH4{+}
BrO3{-} + HAsO3{2-} + H{+} = Br{-} + H3AsO4 =>
BrO3{-} + 3 HAsO3{2-} + 6 H{+} = Br{-} + 3 H3AsO4
Co(NO3)3 + Pb = Pb(NO3)2 + Co =>
2 Co(NO3)3 + 3 Pb = 3 Pb(NO3)2 + 2 Co
Zn(aq) + Ni(NO3)2 = Zn(NO3)2 + Ni =>
Zn(aq) + Ni(NO3)2 = Zn(NO3)2 + Ni
H9 = H2 =>
2 H9 = 9 H2
Fe + H2O2 = Fe2O3 + H2O =>
2 Fe + 3 H2O2 = Fe2O3 + 3 H2O
ClCH2CH2Cl + O2 = CO + H2O + Cl2 =>
ClCH2CH2Cl + 2 O2 = 2 CO + 2 H2O + Cl2
Ga + H2SO4 = Ga2(SO4)3 + H2 =>
2 Ga + 3 H2SO4 = Ga2(SO4)3 + 3 H2
Ag + NaOH = AgOH + Na =>
Ag + NaOH = AgOH + Na
BaI2 + AgNO3 = Ba(NO3)2 + AgI =>
BaI2 + 2 AgNO3 = Ba(NO3)2 + 2 AgI
H2SiO3 + Zn = ZnSiO3 + H2 =>
H2SiO3 + Zn = ZnSiO3 + H2
(C6H5)2NH + H2SO4 + NaNO3 = (C6H5)4N2 + Na2SO4 + NO2 + H2O =>
2(C6H5)2NH + H2SO4 + 2 NaNO3 = (C6H5)4N2 + Na2SO4 + 2 NO2 + 2 H2O
Bi2(SO4)3 + KI = K[BiI4] + K2SO4 =>
Bi2(SO4)3 + 8 KI = 2 K[BiI4] + 3 K2SO4
FeCUCl2 = FeCl2CU =>
FeCUCl2 = FeCl2CU
KAl(OH)4 + H2SO4(aq) = Al(OH)3(s) + K2SO4(aq) + H2O(l) =>
2 KAl(OH)4 + H2SO4(aq) = 2 Al(OH)3(s) + K2SO4(aq) + 2 H2O(l)
Hg(ClO4)2 + K = KClO4 + Hg =>
Hg(ClO4)2 + 2 K = 2 KClO4 + Hg
U + Te = UTe3 =>
U + 3 Te = UTe3
Li + HgCl2 = LiCl + Hg =>
2 Li + HgCl2 = 2 LiCl + Hg
Na2S + KIO3 = NaIO3 + K2S =>
Na2S + 2 KIO3 = 2 NaIO3 + K2S
CaO + MnI2 = MnO + CaI2 =>
CaO + MnI2 = MnO + CaI2
Br + HNO3 = BrO3 + NO + H2O =>
Br + 2 HNO3 = BrO3 + 2 NO + H2O
Sr(NO3)2 + Na(OH) = Sr(OH) + Na(NO3)2 =>
Sr(NO3)2 + Na(OH) = Sr(OH) + Na(NO3)2
I2O2 + H2S = I2 + SO2 + H2O =>
3 I2O2 + 2 H2S = 3 I2 + 2 SO2 + 2 H2O
Li2CO3(aq) + CuCl2(aq) = CuCO3(s) + LiCl(aq) =>
Li2CO3(aq) + CuCl2(aq) = CuCO3(s) + 2 LiCl(aq)
AsH3 + AgNO3 + H2O = H2AsO3 + HNO3 + Ag =>
AsH3 + 7 AgNO3 + 3 H2O = H2AsO3 + 7 HNO3 + 7 Ag
Ba(OH)2 + NH4Br = H2O + NH3 + BaBr2 =>
Ba(OH)2 + 2 NH4Br = 2 H2O + 2 NH3 + BaBr2
BaCO = Ba + CO =>
BaCO = Ba + CO
Cr2(SO4)3 + NaOH = Cr(OH)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
KMnO4 + FeS2O3 + H2SO4 = Fe2(SO4)3 + MnSO4 + KHSO4 + H2O =>
18 KMnO4 + 10 FeS2O3 + 31 H2SO4 = 5 Fe2(SO4)3 + 18 MnSO4 + 18 KHSO4 + 22 H2O
FeCr2O7 + K2CO3 + O = Fe2O3 + K2CrO4 + CO2 =>
2 FeCr2O7 + 4 K2CO3 + O = Fe2O3 + 4 K2CrO4 + 4 CO2
CuCl2 + NaH = CuH2 + NaCl =>
CuCl2 + 2 NaH = CuH2 + 2 NaCl
KI + Cu3(PO4)2 = K3PO4 + CuI2 =>
6 KI + Cu3(PO4)2 = 2 K3PO4 + 3 CuI2
H2(SO4) = H2 + S + O2 =>
H2(SO4) = H2 + S + 2 O2
CaC2 + Br2 = Ca2Br + C =>
4 CaC2 + Br2 = 2 Ca2Br + 8 C
NO2 + H2O = OH + NO =>
NO2 + H2O = 2 OH + NO
Al2O3 + H3PO3 = Al2(PO4)3 + H2 =>
2 Al2O3 + 6 H3PO3 = 2 Al2(PO4)3 + 9 H2
Rh + Br2 = RhBr3 =>
2 Rh + 3 Br2 = 2 RhBr3
Ba3 + PO4 = BaPO4 =>
Ba3 + 3 PO4 = 3 BaPO4
CrCl3 + H2O = HCl + Cr(OH)3 =>
CrCl3 + 3 H2O = 3 HCl + Cr(OH)3
Hg(NO2)2 + KI = HgI2 + KNO2 =>
Hg(NO2)2 + 2 KI = HgI2 + 2 KNO2
P4O6 = P4 + P2O4 =>
4 P4O6 = P4 + 6 P2O4
Cr(OH)3 + HNO3 = Cr(NO3)3 + H2O =>
Cr(OH)3 + 3 HNO3 = Cr(NO3)3 + 3 H2O
HCHO2 + K2CO3 = HCO3 + K4C + H2O =>
7 HCHO2 + 6 K2CO3 = 10 HCO3 + 3 K4C + 2 H2O
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Équations équilibrées sur10/30/24
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