| Équations équilibrées la veille |
CH3CH2OH + H2O = CH3COOH + 4 H{+} + 4e
Sn + AgNO3 = Sn2(NO3)2 + Ag =>
2 Sn + 2 AgNO3 = Sn2(NO3)2 + 2 Ag
KNO3 + FeSO4 + H2SO4 = K2SO4 + Fe(SO4)3 + H2O + NO =>
4 KNO3 + 3 FeSO4 + 8 H2SO4 = 2 K2SO4 + 3 Fe(SO4)3 + 8 H2O + 4 NO
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Se + Zn = ZnSe =>
Se + Zn = ZnSe
Al2(SO4)3 + Na2CO3 + H2O = Na2SO4 + Al(OH)3 + CO2 =>
Al2(SO4)3 + 3 Na2CO3 + 3 H2O = 3 Na2SO4 + 2 Al(OH)3 + 3 CO2
Na2CO3 + HCl(g) = NaCl + CO2 + H2O =>
Na2CO3 + 2 HCl(g) = 2 NaCl + CO2 + H2O
CaS(aq) + Al2(SO4)3(aq) = CaSO4 + Al2S3 =>
3 CaS(aq) + Al2(SO4)3(aq) = 3 CaSO4 + Al2S3
CH + O2 = CO2 + H2O =>
4 CH + 5 O2 = 4 CO2 + 2 H2O
NaNo3 + Ba(OH)2 = NaOH + Ba(No3)2 =>
2 NaNo3 + Ba(OH)2 = 2 NaOH + Ba(No3)2
K + Br = KBr =>
K + Br = KBr
(NH4)2S + FeCl3 = Cl(NH4) + Fe2S3 =>
3(NH4)2S + 2 FeCl3 = 6 Cl(NH4) + Fe2S3
K2[Zn(OH)4] + SO2 = K2SO3 + Zn(OH)2 + H2O =>
K2[Zn(OH)4] + SO2 = K2SO3 + Zn(OH)2 + H2O
K + Cl2 = KCl = =>
2 K + Cl2 = 2 KCl
K2CO3 + BaCl2 = K2Cl2 + BaCO3 =>
K2CO3 + BaCl2 = K2Cl2 + BaCO3
Pb(NO3)2 + Al(OH)3 = Pb(OH)2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 Al(OH)3 = 3 Pb(OH)2 + 2 Al(NO3)3
H3AsO3 + SnCl2 + HCl = As + SnCl4 + H2O =>
2 H3AsO3 + 3 SnCl2 + 6 HCl = 2 As + 3 SnCl4 + 6 H2O
Pd + I2 = PdI4 =>
Pd + 2 I2 = PdI4
Na2SO4(aq) + CaCl2(aq) = CaSO4(s) + NaCl(aq) =>
Na2SO4(aq) + CaCl2(aq) = CaSO4(s) + 2 NaCl(aq)
AgNo3(aq) + CaCl2(aq) = AgCl(s) + Ca(No3)2(aq) =>
2 AgNo3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(No3)2(aq)
K2S2O3 + Cl2 + H2O = KHSO4 + HCl =>
K2S2O3 + 4 Cl2 + 5 H2O = 2 KHSO4 + 8 HCl
CrBr2 + Ni(NO3)2 = Cr(NO3)2 + NiBr2 =>
CrBr2 + Ni(NO3)2 = Cr(NO3)2 + NiBr2
Na2WO4 + FeSO4 + HCl = WO2 + FeSO4Cl + NaCl + H2O =>
Na2WO4 + 2 FeSO4 + 4 HCl = WO2 + 2 FeSO4Cl + 2 NaCl + 2 H2O
C15H32COOH + O2 = CO2 + H2O =>
4 C15H32COOH + 93 O2 = 64 CO2 + 66 H2O
FeCl3 + Ca(OH)2 = CaCl2 + Fe(OH)3 =>
2 FeCl3 + 3 Ca(OH)2 = 3 CaCl2 + 2 Fe(OH)3
Zn(OH)2 + H2SO4 = ZnSO4 + OH2 =>
Zn(OH)2 + H2SO4 = ZnSO4 + 2 OH2
Fe + HCl = FeCl3 + H2(g) =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2(g)
Fe2O3 + H2 = Fe2 + H2O =>
Fe2O3 + 3 H2 = Fe2 + 3 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na2S + Ca(NO3)2 = NaNO3 + SCa =>
Na2S + Ca(NO3)2 = 2 NaNO3 + SCa
CoCl2 + NH4Cl + NH3 + H2O2 = H2O + [Co(NH3)5Cl]Cl2 =>
2 CoCl2 + 2 NH4Cl + 8 NH3 + H2O2 = 2 H2O + 2[Co(NH3)5Cl]Cl2
Fe + O3 + H2 = Fe2O3H2 =>
2 Fe + O3 + H2 = Fe2O3H2
C + He = CHe4 =>
C + 4 He = CHe4
MnO2 + Ca = CaO + Mn =>
MnO2 + 2 Ca = 2 CaO + Mn
Sb(s) + Cl2(g) = SbCl3(g) =>
2 Sb(s) + 3 Cl2(g) = 2 SbCl3(g)
C7H5Cl3 + NaOH = C7H6O2 + NaCl + H2O =>
C7H5Cl3 + 3 NaOH = C7H6O2 + 3 NaCl + H2O
As2S5 + H + NO3 = H3AsO4 + HSO4 + NO2 =>
As2S5 + 11 H + 28 NO3 = 2 H3AsO4 + 5 HSO4 + 28 NO2
KOH + H2O = KOH2OH =>
KOH + H2O = KOH2OH
Fe(OH)3 + KNO2 + HNO3 = Fe(NO3)2 + KNO3 + H2O =>
2 Fe(OH)3 + KNO2 + 4 HNO3 = 2 Fe(NO3)2 + KNO3 + 5 H2O
Au + KCn + O2 + H2O = K[Au(Cn)]2 + KOH =>
8 Au + 8 KCn + O2 + 2 H2O = 4 K[Au(Cn)]2 + 4 KOH
Au2S3(s) + H2(g) = Au(s) + H2S(g) =>
Au2S3(s) + 3 H2(g) = 2 Au(s) + 3 H2S(g)
NaOI + H2O = HOI + NaOH =>
NaOI + H2O = HOI + NaOH
CH2O + Eu{2+} = C2H4O2{2-} + Eu{3+} =>
2 CH2O + 2 Eu{2+} = C2H4O2{2-} + 2 Eu{3+}
C5H5N + O2 = CO2 + H2O + N2 =>
4 C5H5N + 25 O2 = 20 CO2 + 10 H2O + 2 N2
Cr2S3 + Mn(NO3)2 + Na2(CO3) = Na(CrO4) + Na2(SO4) + Na(MnO4) + CO2 + NO =>
Cr2S3 + 32 Mn(NO3)2 + 20 Na2(CO3) = 2 Na(CrO4) + 3 Na2(SO4) + 32 Na(MnO4) + 20 CO2 + 64 NO
FeSO4CO = FeCOSO4 =>
FeSO4CO = FeCOSO4
KMnO4 + C2H4 + H2O = C2H4(OH)2 + MnO2 + KOH =>
2 KMnO4 + 3 C2H4 + 4 H2O = 3 C2H4(OH)2 + 2 MnO2 + 2 KOH
Al(NO3)3 + Zn(NO3)2 + CH4N2O = ZnAl2O4 + CO2 + N2 + H2O =>
6 Al(NO3)3 + 3 Zn(NO3)2 + 20 CH4N2O = 3 ZnAl2O4 + 20 CO2 + 32 N2 + 40 H2O
AgNO3 + Na + Cl = AgCl + NaNO3 =>
AgNO3 + Na + Cl = AgCl + NaNO3
NaCl(ac) + HNO3(ac) = NaNO3(ac) + HCl(ac) =>
NaCl(ac) + HNO3(ac) = NaNO3(ac) + HCl(ac)
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Équations équilibrées sur10/18/24
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