| Équations équilibrées la veille |
Be(OH)2 + 2 CuOH = Cu2BeO2 + 2 H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
H2S + K(OH) = H(OH) + K2S =>
H2S + 2 K(OH) = 2 H(OH) + K2S
VO(OH)2 + NaOH = NaVO2 + NaVO3 + H2O =>
2 VO(OH)2 + 2 NaOH = NaVO2 + NaVO3 + 3 H2O
CuCl2(s) + Na2SO4(aq) = CuSO4 + NaCl(aq) =>
CuCl2(s) + Na2SO4(aq) = CuSO4 + 2 NaCl(aq)
Ca + Fe3O4 = CaO + FeO =>
Ca + Fe3O4 = CaO + 3 FeO
CuSO4 + Na2CO3 + H2O = Na2SO4 + (CuOH)2CO3 + CO2 =>
2 CuSO4 + 2 Na2CO3 + H2O = 2 Na2SO4 + (CuOH)2CO3 + CO2
MnO4{2-} + H{+} + CH3CH2OH = Mn{2+} + H2O + CH3COOH =>
MnO4{2-} + 4 H{+} + CH3CH2OH = Mn{2+} + 3 H2O + CH3COOH
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Li2O2 + H2O = Li(OH)2 =>
Li2O2 + 2 H2O = 2 Li(OH)2
SiO2 + K2SO4 = K2SiO3 + SO3 =>
SiO2 + K2SO4 = K2SiO3 + SO3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Cl2O7 + ZnO = ZnCl + O2 =>
2 Cl2O7 + 4 ZnO = 4 ZnCl + 9 O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH2CH2(g) + Br2(aq) = CH2BrCH2Br(g) =>
CH2CH2(g) + Br2(aq) = CH2BrCH2Br(g)
KNO3 + CsCl = KCl + CsNO3 =>
KNO3 + CsCl = KCl + CsNO3
CaCO3 + Al2O3 = Al2(CO3)3 + CaO =>
3 CaCO3 + Al2O3 = Al2(CO3)3 + 3 CaO
CaO(s) + C(s) = CaC(s) + CO(g) =>
CaO(s) + 2 C(s) = CaC(s) + CO(g)
HCl + PbCO3 = PbCl2 + H2O + CO2 =>
2 HCl + PbCO3 = PbCl2 + H2O + CO2
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
C2H2 + H2O + KMnO4 = C2H2(OH)4 + MnO2 + KOH =>
3 C2H2 + 8 H2O + 4 KMnO4 = 3 C2H2(OH)4 + 4 MnO2 + 4 KOH
OHCH2CH2CH2CH2OH + KMnO4 + H2SO4 = HOOCCH2CH2COOH + MnSO4 + K2SO4 + H2O =>
5 OHCH2CH2CH2CH2OH + 8 KMnO4 + 12 H2SO4 = 5 HOOCCH2CH2COOH + 8 MnSO4 + 4 K2SO4 + 22 H2O
C + Cu = Cu4C2 =>
2 C + 4 Cu = Cu4C2
NH4OH + AlCl3 = Al(OH)3 + NH4Cl =>
3 NH4OH + AlCl3 = Al(OH)3 + 3 NH4Cl
MgF2 = Mg + F =>
MgF2 = Mg + 2 F
AgNO3(aq) + CoCl2(aq) = AgCl2 + CoNO3 =>
AgNO3(aq) + CoCl2(aq) = AgCl2 + CoNO3
Al(OH)3 + CuCl = AlCl3 + Cu(OH) =>
Al(OH)3 + 3 CuCl = AlCl3 + 3 Cu(OH)
Na2O + HClO4 = NaClO4 + H2O =>
Na2O + 2 HClO4 = 2 NaClO4 + H2O
Zn(NO3)2 + Fe2O3 = ZnO + Fe(NO3)3 =>
3 Zn(NO3)2 + Fe2O3 = 3 ZnO + 2 Fe(NO3)3
HF + K2CO3 = KF + H2O + CO2 =>
2 HF + K2CO3 = 2 KF + H2O + CO2
FeCr2O4 + KOH + O2 = Fe2O3 + K2CrO4 + H2O =>
4 FeCr2O4 + 16 KOH + 7 O2 = 2 Fe2O3 + 8 K2CrO4 + 8 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
At2O + H2O = HAtO =>
At2O + H2O = 2 HAtO
(NH4)2SO4 + HNO3 = N2 + H2SO4 + H2O =>
5(NH4)2SO4 + 6 HNO3 = 8 N2 + 5 H2SO4 + 18 H2O
At2O + H2O = HAtO =>
At2O + H2O = 2 HAtO
Cl + NaI = I + ClNa =>
Cl + NaI = I + ClNa
K[Al(OH)4] + CO2 = KHCO3 + Al(OH)3 =>
K[Al(OH)4] + CO2 = KHCO3 + Al(OH)3
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
Zn(OH)2 + NH3 = Zn(NH3)4 + OH =>
Zn(OH)2 + 4 NH3 = Zn(NH3)4 + 2 OH
H3PO4 + Al2O3 = Al2(PO4)2 + H2O =>
2 H3PO4 + Al2O3 = Al2(PO4)2 + 3 H2O
S + NaOH + H2O = H2S + Na2S2O3 =>
4 S + 2 NaOH + H2O = 2 H2S + Na2S2O3
CuI + H2SO4 = CuSO4 + I2 + H2S + H2O =>
4 CuI + 5 H2SO4 = 4 CuSO4 + 2 I2 + H2S + 4 H2O
Al + CUCl2 = CU + AlCl3 =>
2 Al + 3 CUCl2 = 3 CU + 2 AlCl3
Na2SO4 + BaCl2 = NaCl + Ba{2+} + SO4{2-} =>
Na2SO4 + BaCl2 = 2 NaCl + Ba{2+} + SO4{2-}
Li2O + I2 = LiI + O2 =>
2 Li2O + 2 I2 = 4 LiI + O2
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Équations équilibrées sur01/05/25
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