| Équations équilibrées la veille |
Pb + Sn2 = PbSn2
KCl + FeI2 = KI + FeCl2 =>
2 KCl + FeI2 = 2 KI + FeCl2
CH3COONH4 + Ca(OH)2 = Ca(CH3COO)2 + NH3 + H2O =>
2 CH3COONH4 + Ca(OH)2 = Ca(CH3COO)2 + 2 NH3 + 2 H2O
Sn(s) + Cu(NO3)2(aq) = Sn(NO3)4(aq) + Cu(s) =>
Sn(s) + 2 Cu(NO3)2(aq) = Sn(NO3)4(aq) + 2 Cu(s)
OH + H2CO = HCOO + H2O =>
3 OH + H2CO = HCOO + 2 H2O
KI + H2SO4 = KHSO4 + I2 + S + H2O =>
6 KI + 7 H2SO4 = 6 KHSO4 + 3 I2 + S + 4 H2O
MnO4{-} + CH3OH = Mn{2-} + HCO2H + H2O + H{+} =>
4 MnO4{-} + 9 CH3OH = 4 Mn{2-} + 9 HCO2H + 7 H2O + 4 H{+}
Fe(HCO3)2 = FeCO3 + H2CO3 =>
Fe(HCO3)2 = FeCO3 + H2CO3
Cu2(SO4)2 + (NH4)2S = Cu2S2 + (NH4)2SO4 =>
Cu2(SO4)2 + 2(NH4)2S = Cu2S2 + 2(NH4)2SO4
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
Fe(s) + Cd(NO3)3(aq) = Fe(NO3)3(aq) + Cd(s) =>
Fe(s) + Cd(NO3)3(aq) = Fe(NO3)3(aq) + Cd(s)
Fe + NaNO3 = Na3Fe + NO3 =>
Fe + 3 NaNO3 = Na3Fe + 3 NO3
MnO2(l) + Al(l) = Al2O3 + Mn(l) =>
3 MnO2(l) + 4 Al(l) = 2 Al2O3 + 3 Mn(l)
I2 + H2O = HI + HIO3 =>
3 I2 + 3 H2O = 5 HI + HIO3
V + O2 = VO2 =>
V + O2 = VO2
Fe + Au2(NO3) = Au + Fe2(NO3) =>
2 Fe + Au2(NO3) = 2 Au + Fe2(NO3)
NaI(aq) + O2 = Na2O(aq) + I2(s) =>
4 NaI(aq) + O2 = 2 Na2O(aq) + 2 I2(s)
[NH4]{+} + [NO2]{-} = N2 + H2O =>
[NH4]{+} + [NO2]{-} = N2 + 2 H2O
TiCl4 + N2 = TiN + Cl =>
2 TiCl4 + N2 = 2 TiN + 8 Cl
Nb(OH)3 + H2SeO3 = Nb2(SeO3)3 + H2O =>
2 Nb(OH)3 + 3 H2SeO3 = Nb2(SeO3)3 + 6 H2O
FeO + NO2 = Fe2NO3 + O2 =>
4 FeO + 2 NO2 = 2 Fe2NO3 + O2
Pb(NO3)2 + K2S = PbS + KNO3 =>
Pb(NO3)2 + K2S = PbS + 2 KNO3
(NH3)2CO3 + HCl = NH3Cl + H2CO3 =>
(NH3)2CO3 + 2 HCl = 2 NH3Cl + H2CO3
Al2S3 + HCl = Al2S3HCl =>
Al2S3 + HCl = Al2S3HCl
NaOH + HNO3 = Na + NO3 + H2O =>
NaOH + HNO3 = Na + NO3 + H2O
Zn(s) + K2CrO4(ac) + KOH(ac) = K2ZnO2(ac) + KCrO2(ac) + H2O(l) =>
3 Zn(s) + 2 K2CrO4(ac) + 4 KOH(ac) = 3 K2ZnO2(ac) + 2 KCrO2(ac) + 2 H2O(l)
NH4Br + CaO = (NH4)2O + CaBr2 =>
2 NH4Br + CaO = (NH4)2O + CaBr2
FeCl2 + K2S = FeS + KCl =>
FeCl2 + K2S = FeS + 2 KCl
Mg + HCI = Mg(CI)2 + H2 =>
Mg + 2 HCI = Mg(CI)2 + H2
Na(OH) + CuCl = Cu(OH) + NaCl =>
Na(OH) + CuCl = Cu(OH) + NaCl
FeCl3(s) + H2O(l) = Fe(OH)3(ac) + HCl(ac) =>
FeCl3(s) + 3 H2O(l) = Fe(OH)3(ac) + 3 HCl(ac)
BaH + H2O = Ba(OH) + H2 =>
BaH + H2O = Ba(OH) + H2
CuCO3 + K4Fe(CN)6 = Cu4[Fe(CN)6]2 + K2CO3 =>
4 CuCO3 + 2 K4Fe(CN)6 = Cu4[Fe(CN)6]2 + 4 K2CO3
Fe2(SO4)3 + NH4CNS = (NH4)3[Fe(CNS)6] + (NH4)2SO4 =>
Fe2(SO4)3 + 12 NH4CNS = 2(NH4)3[Fe(CNS)6] + 3(NH4)2SO4
PH3 + KMnO4 + HCl = KCl + MnO2 + H3PO4 + H2O =>
3 PH3 + 8 KMnO4 + 8 HCl = 8 KCl + 8 MnO2 + 3 H3PO4 + 4 H2O
MgCl2 + K2S = MgS + KCl =>
MgCl2 + K2S = MgS + 2 KCl
NaCl + H2SO4 + MnO2 = MnSO4 + Cl2 + Na2SO4 + H2O =>
2 NaCl + 2 H2SO4 + MnO2 = MnSO4 + Cl2 + Na2SO4 + 2 H2O
Sn(OH)4 + NaOH = Na2SnO3 + H2O =>
Sn(OH)4 + 2 NaOH = Na2SnO3 + 3 H2O
C3H8(s) + O2(g) = H2O(l) + CO2(g) =>
C3H8(s) + 5 O2(g) = 4 H2O(l) + 3 CO2(g)
Ca(OH)2(aq) + H3PO4(aq) = Ca3(PO4)2(ppt) + H2O(l) =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = Ca3(PO4)2(ppt) + 6 H2O(l)
SrCl2 + Na2CO3 = SrCO3 + NaCl =>
SrCl2 + Na2CO3 = SrCO3 + 2 NaCl
K2S + CuSO4 = K2SO4 + CuS =>
K2S + CuSO4 = K2SO4 + CuS
Cr + NH3 = Cr(NH3) =>
Cr + NH3 = Cr(NH3)
HNO2 + NH4OH = NH4(OH)NO2 + H2O =>
7 HNO2 + 5 NH4OH = 6 NH4(OH)NO2 + H2O
CaO + H2O = Ca + OH =>
CaO + H2O = Ca + 2 OH
Hg0 = Hg02 =>
2 Hg0 = Hg02
K2Cr2O7 + MgI2 + H2SO4 = Cr2(SO4)3 + I2 + K2SO4 + Mg(SO4) + H2O =>
K2Cr2O7 + 3 MgI2 + 7 H2SO4 = Cr2(SO4)3 + 3 I2 + K2SO4 + 3 Mg(SO4) + 7 H2O
ZnCl2 + Na2CO3 = NaCl + ZnCO3 =>
ZnCl2 + Na2CO3 = 2 NaCl + ZnCO3
NiCl2 + Li = NiLi2 + Cl =>
NiCl2 + 2 Li = NiLi2 + 2 Cl
K2S + HCl = KCl + H2S =>
K2S + 2 HCl = 2 KCl + H2S
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Équations équilibrées sur12/15/24
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