| Équations équilibrées la veille |
Cr2(SO4)3 + 2 KMnO4 + 3 H2O = K2Cr2O7 + 2 MnO2 + 3 H2SO4
Ca(OH)2(aq) = Ca2(aq) + OH(aq) =>
2 Ca(OH)2(aq) = Ca2(aq) + 4 OH(aq)
CaCO3 + Al2O3 = Ca(AlO2)2 + CO2 =>
CaCO3 + Al2O3 = Ca(AlO2)2 + CO2
NaCl + FrOH = NaOH + FrCl =>
NaCl + FrOH = NaOH + FrCl
AsS3 + HNO3 = H3AsO4 + SO2 + NO + H2O =>
3 AsS3 + 17 HNO3 = 3 H3AsO4 + 9 SO2 + 17 NO + 4 H2O
C6H6O7 + NaOH = Na3C6H3O7 + H2O =>
C6H6O7 + 3 NaOH = Na3C6H3O7 + 3 H2O
C2H4Cl2 + NaOH = C2H4(OH)2 + NaCl =>
C2H4Cl2 + 2 NaOH = C2H4(OH)2 + 2 NaCl
S{-2} + H2O = H2S + OH{-} =>
S{-2} + 2 H2O = H2S + 2 OH{-}
Na2O + HClO = H2O + NaClO =>
Na2O + 2 HClO = H2O + 2 NaClO
H2O2 + CH3COOH = H2O + CH3COOOH =>
H2O2 + CH3COOH = H2O + CH3COOOH
Tl + NaOH = Tl(OH)3 + Na =>
Tl + 3 NaOH = Tl(OH)3 + 3 Na
Cu2O + C2 = Cu + CO2 =>
4 Cu2O + C2 = 8 Cu + 2 CO2
NaCl + FeCl3 = FeCl + NaCl3 =>
NaCl + FeCl3 = FeCl + NaCl3
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
MgBr2 + I2 = Br2 + MgI2 =>
MgBr2 + I2 = Br2 + MgI2
KCl + HCl = KHCl + Cl2 =>
2 KCl + 2 HCl = 2 KHCl + Cl2
ThO2 + Ca = Th + CaO =>
ThO2 + 2 Ca = Th + 2 CaO
NiCl2 + Na2CO3 + H2O = (NiOH)2CO3 + NaCl + CO2 =>
2 NiCl2 + 2 Na2CO3 + H2O = (NiOH)2CO3 + 4 NaCl + CO2
CaCN2 + C + Na2CO3 = CaCO3 + NaCN =>
CaCN2 + C + Na2CO3 = CaCO3 + 2 NaCN
NH3 + CH3COOH = NH + CH3COOH3 =>
NH3 + CH3COOH = NH + CH3COOH3
K2PtCl4 + NH4OH = Cl2H6N2Pt + KOH + NH4Cl + H2O =>
K2PtCl4 + 4 NH4OH = Cl2H6N2Pt + 2 KOH + 2 NH4Cl + 2 H2O
AgCl + Cu = CuCl2 + Ag =>
2 AgCl + Cu = CuCl2 + 2 Ag
NH4OH + O2 = HNO2 + H2O =>
2 NH4OH + 3 O2 = 2 HNO2 + 4 H2O
CH3CH2OH + CH3COOH = CH3COOCH2CH3 + H2O =>
CH3CH2OH + CH3COOH = CH3COOCH2CH3 + H2O
CoCl2 + KSCN = K2[Co(SCN)4] + KCl =>
CoCl2 + 4 KSCN = K2[Co(SCN)4] + 2 KCl
[CH3CH2NH3]Br + NaOH = CH3CH2NH2 + NaBr + H2O =>
[CH3CH2NH3]Br + NaOH = CH3CH2NH2 + NaBr + H2O
ZnO + Ca(OH)2 = ZnCaO2 + H2O =>
ZnO + Ca(OH)2 = ZnCaO2 + H2O
GaCl3 + NaBr = GaBr3 + NaCl =>
GaCl3 + 3 NaBr = GaBr3 + 3 NaCl
KHSO4(s) = K2SO4(s) + SO3(g) + H2O =>
2 KHSO4(s) = K2SO4(s) + SO3(g) + H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
(NH4)2CO3 + H2O = NH4OH(aq) + H2CO3(aq) =>
(NH4)2CO3 + 2 H2O = 2 NH4OH(aq) + H2CO3(aq)
KMnO4 + Cr2(SO4)3 + H2O = H2SO4 + MnSO4 + CrO3 + K2SO4 =>
6 KMnO4 + 5 Cr2(SO4)3 + 6 H2O = 6 H2SO4 + 6 MnSO4 + 10 CrO3 + 3 K2SO4
Mg(HCO3)2 + HCl = MgCl2 + H2O(l) + CO2(g) =>
Mg(HCO3)2 + 2 HCl = MgCl2 + 2 H2O(l) + 2 CO2(g)
KNO2 + Zn + NaOH + H2O = NH3 + Na2Zn(OH)4 + K2Zn(OH)4 =>
2 KNO2 + 6 Zn + 10 NaOH + 10 H2O = 2 NH3 + 5 Na2Zn(OH)4 + K2Zn(OH)4
CaCO3 + Al2O3 = CaOAl2O3 + CO2 =>
CaCO3 + Al2O3 = CaOAl2O3 + CO2
AsS3 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
AsS3 + 23 HNO3 = H3AsO4 + 3 H2SO4 + 23 NO2 + 7 H2O
MgSO3 = Mg + SO3 =>
MgSO3 = Mg + SO3
ZnO + C = Zn + CO2 =>
2 ZnO + C = 2 Zn + CO2
C6H8O7 + H2O = C6H8O7*H2O =>
C6H8O7 + H2O = C6H8O7*H2O
H2SO4 = H{+} + HSO4{-} =>
H2SO4 = H{+} + HSO4{-}
Fe2Br3 + AgNO3 = Fe(NO3)3 + Ag2Br =>
Fe2Br3 + 6 AgNO3 = 2 Fe(NO3)3 + 3 Ag2Br
Mg(OH)2 + Ca(HCO3)2 = Mg(HCO3)2 + Ca(OH)2 =>
Mg(OH)2 + Ca(HCO3)2 = Mg(HCO3)2 + Ca(OH)2
C8H8O3 + H2O = C7H6O3 + CH4O =>
C8H8O3 + H2O = C7H6O3 + CH4O
Al(NO3)3 + Na2CO3 = Al2(CO3)3 + NaNO3 =>
2 Al(NO3)3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaNO3
CH3CCH3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CH3COOH + H2O =>
10 CH3CCH3 + 12 KMnO4 + 18 H2SO4 = 6 K2SO4 + 12 MnSO4 + 15 CH3COOH + 18 H2O
NH4OH + O2 = NO2 + H2O =>
4 NH4OH + 7 O2 = 4 NO2 + 10 H2O
SiH4 + H2O = Si(OH)4 + H2 =>
SiH4 + 4 H2O = Si(OH)4 + 4 H2
Na2WO4 + SnCl2 + HCl = W2O5 + SnCl4 + NaCl + H2O =>
2 Na2WO4 + SnCl2 + 6 HCl = W2O5 + SnCl4 + 4 NaCl + 3 H2O
CrCl3 + Na2SiO3 + H2O = Cr(OH)3 + NaCl + H2SiO3 =>
2 CrCl3 + 3 Na2SiO3 + 6 H2O = 2 Cr(OH)3 + 6 NaCl + 3 H2SiO3
O2 + CI2 = CI2O =>
O2 + 2 CI2 = 2 CI2O
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