| Équations équilibrées la veille |
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H2SO4 + Ni = NiSO4 + H =>
H2SO4 + Ni = NiSO4 + 2 H
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
AgNO3 + KCl = AgCl + KNO3 =>
AgNO3 + KCl = AgCl + KNO3
Fe2O3 + Na2SO3 = Fe2(SO4)3 + Na =>
Fe2O3 + 3 Na2SO3 = Fe2(SO4)3 + 6 Na
Co(OH)3 + SO2 + H2SO4 = CoSO4 + H2O =>
2 Co(OH)3 + SO2 + H2SO4 = 2 CoSO4 + 4 H2O
C2H2(g) + CO2(g) + H2O(g) = CHCHCO2H =>
11 C2H2(g) + 8 CO2(g) + 4 H2O(g) = 10 CHCHCO2H
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C10H18 + HCl = C10H20Cl2 =>
C10H18 + 2 HCl = C10H20Cl2
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Zn + Au(NO2)2 = Zn(NO2)2 + Au =>
Zn + Au(NO2)2 = Zn(NO2)2 + Au
ZnO + H2SO4 = H2O + ZnSO4 =>
ZnO + H2SO4 = H2O + ZnSO4
C9H16 + O2 = H2O + CO2 =>
C9H16 + 13 O2 = 8 H2O + 9 CO2
CoI2 + NaF + H2O = HI + NaOH + CoF2 =>
CoI2 + 2 NaF + 2 H2O = 2 HI + 2 NaOH + CoF2
Sn + HNO3 = Sn(NO3)4 + H2 =>
Sn + 4 HNO3 = Sn(NO3)4 + 2 H2
CoI2 + NaF + H2O = HI + NaOH + CoF2 =>
CoI2 + 2 NaF + 2 H2O = 2 HI + 2 NaOH + CoF2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Cd + Co(NO3)3 = Cd(NO3)2 + Co =>
3 Cd + 2 Co(NO3)3 = 3 Cd(NO3)2 + 2 Co
S + KNO3 + HCl = K2SO4 + KCl + NO2 + H2O =>
S + 6 KNO3 + 4 HCl = K2SO4 + 4 KCl + 6 NO2 + 2 H2O
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CH2CHCH2CH3 + H2O = CH3CHOHCH2CH3 =>
CH2CHCH2CH3 + H2O = CH3CHOHCH2CH3
Al(OH)3 + C3H6O2 = C9H15AlO6 + H2O =>
Al(OH)3 + 3 C3H6O2 = C9H15AlO6 + 3 H2O
H2FCl = HCl + HF =>
H2FCl = HCl + HF
CoI2 + NaF + H2O = HI + NaOH + CoF2 =>
CoI2 + 2 NaF + 2 H2O = 2 HI + 2 NaOH + CoF2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Na2S + Fe2(SO4)3 = Fe2S3 + Na2SO4 =>
3 Na2S + Fe2(SO4)3 = Fe2S3 + 3 Na2SO4
K2CrO4 + Na2SO3 + KOH + H2O = Na2SO4 + K3[Cr(OH)6] =>
2 K2CrO4 + 3 Na2SO3 + 2 KOH + 5 H2O = 3 Na2SO4 + 2 K3[Cr(OH)6]
Fe2(SO4)3*9H2O = Fe(OH)3 + H{+} + SO4{2-} + H2O =>
Fe2(SO4)3*9H2O = 2 Fe(OH)3 + 6 H{+} + 3 SO4{2-} + 3 H2O
Na2CrO4 + H2SO4 + NaNO2 = Na2SO4 + Cr2(SO4)3 + NaNO3 + H2O =>
2 Na2CrO4 + 5 H2SO4 + 3 NaNO2 = 2 Na2SO4 + Cr2(SO4)3 + 3 NaNO3 + 5 H2O
U + ClF = UF6 + Cl =>
U + 6 ClF = UF6 + 6 Cl
KMnO4 + HBr = MnBr2 + KBr + H2O + Br2 =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 8 H2O + 5 Br2
Al + H2SO4 + CuO = Al2(SO4)3 + Cu + H2O =>
2 Al + 3 H2SO4 + 3 CuO = Al2(SO4)3 + 3 Cu + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH2CHCHO + Ag(NH3)2{+} + OH{-} = Ag + NH3 + CH2CHCOOH + H2O =>
CH2CHCHO + 2 Ag(NH3)2{+} + 2 OH{-} = 2 Ag + 4 NH3 + CH2CHCOOH + H2O
H2S(g) + Fe(OH)3(s) = Fe2(S)3(s) + H2O(g) =>
3 H2S(g) + 2 Fe(OH)3(s) = Fe2(S)3(s) + 6 H2O(g)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CoI2 + NaF + H2O = HI + NaOH + CoF2 =>
CoI2 + 2 NaF + 2 H2O = 2 HI + 2 NaOH + CoF2
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Mn(OH)2 + HF = HOH + MnF2 =>
Mn(OH)2 + 2 HF = 2 HOH + MnF2
CaNO3 + HCl = CaH + ClNO3 =>
CaNO3 + HCl = CaH + ClNO3
H3AlO3 + NaOH = NaAlO2 + H2O =>
H3AlO3 + NaOH = NaAlO2 + 2 H2O
ZnSO4 + HNO3 = H2SO4 + Zn(NO3)2 =>
ZnSO4 + 2 HNO3 = H2SO4 + Zn(NO3)2
NaOH + HCl = NaCl + HOH =>
NaOH + HCl = NaCl + HOH
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
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