| Équations équilibrées la veille | Équations équilibrées le lendemain |
C(s) + 4 H(g) = CH4(g)
CuO + HClO4 = Cu2O3 + Cl2 + H2O =>
14 CuO + 2 HClO4 = 7 Cu2O3 + Cl2 + H2O
Fe(NO3)3 + NaOH = Fe(OH)(NO3)2 + NaNO3 =>
Fe(NO3)3 + NaOH = Fe(OH)(NO3)2 + NaNO3
KNO3 + O2 = KNO4 =>
2 KNO3 + O2 = 2 KNO4
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
Na2CO3 + HC2H3O2 = HCO3 + Na2C2H3O2 =>
Na2CO3 + HC2H3O2 = HCO3 + Na2C2H3O2
Cl + Br = ClBr4 =>
Cl + 4 Br = ClBr4
Sn(s)FeCl2(aq) = Fe(s)SnCl2(aq) =>
Sn(s)FeCl2(aq) = Fe(s)SnCl2(aq)
K4Fe(CN)6 + FeSO4 = Fe2(Fe(CN)6) + K2SO4 =>
K4Fe(CN)6 + 2 FeSO4 = Fe2(Fe(CN)6) + 2 K2SO4
CO32{-} + H2O = HCO3{-} + OH =>
CO32{-} + 30 H2O = HCO3{-} + 59 OH
NaCl + SO2 + H2O + O2 = Na2SO4 + HCl =>
4 NaCl + 2 SO2 + 2 H2O + O2 = 2 Na2SO4 + 4 HCl
As{5+} + KBr + H2O = As{3+} + KBrO3 + H{+} =>
3 As{5+} + KBr + 3 H2O = 3 As{3+} + KBrO3 + 6 H{+}
CuHS + HS{-} = Cu(HS)2{-} =>
CuHS + HS{-} = Cu(HS)2{-}
CO2 + H2O = C9H19OH + O2 =>
18 CO2 + 20 H2O = 2 C9H19OH + 27 O2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Sn + HOH + NaOH = H2 + Na2(Sn(OH)4) =>
Sn + 2 HOH + 2 NaOH = H2 + Na2(Sn(OH)4)
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
AgNO3 + K2S = Ag2S + K + NO3 =>
2 AgNO3 + K2S = Ag2S + 2 K + 2 NO3
NaOH + CoSO4 = Na2SO4 + Co(OH)2 =>
2 NaOH + CoSO4 = Na2SO4 + Co(OH)2
MgCO3 + H2SO4 = MgSO4 + H2CO3 =>
MgCO3 + H2SO4 = MgSO4 + H2CO3
AICl3 + Ba(OH)2 = AI(OH)3 + BaCl2 =>
2 AICl3 + 3 Ba(OH)2 = 2 AI(OH)3 + 3 BaCl2
Na + AgCl = AgNaCl =>
Na + AgCl = AgNaCl
C3H7NO2 + O2 = CO2 + NH3 + H2O =>
C3H7NO2 + 3 O2 = 3 CO2 + NH3 + 2 H2O
Mg = Mg2{+} + e =>
2 Mg = Mg2{+} + e
NaCl + HClO4 = NaHCl2 + O2 =>
NaCl + HClO4 = NaHCl2 + 2 O2
Zn + NaClO4 + H2SO4 = ZnSO4 + NaCl + H2O =>
4 Zn + NaClO4 + 4 H2SO4 = 4 ZnSO4 + NaCl + 4 H2O
Cu + Ca(OH)2 = CuO + H2 + Ca =>
2 Cu + Ca(OH)2 = 2 CuO + H2 + Ca
Na2CO3 + HC2H3O2 = NaC2H3O2 + H2CO3 =>
Na2CO3 + 2 HC2H3O2 = 2 NaC2H3O2 + H2CO3
K2O + Ba = K + BaO =>
K2O + Ba = 2 K + BaO
CuBr2 + KI = CuI + KBr + I2 =>
2 CuBr2 + 4 KI = 2 CuI + 4 KBr + I2
HCl + HNO3 = NO2 + Cl2 + H2O =>
2 HCl + 2 HNO3 = 2 NO2 + Cl2 + 2 H2O
Na2CrO4 + AlBr3 = Na2Br3 + CrO4Al =>
Na2CrO4 + AlBr3 = Na2Br3 + CrO4Al
Cr2O7{-2} + Al{+} + H{+} = Cr{+3} + Al{+3} + H2O =>
Cr2O7{-2} + 3 Al{+} + 14 H{+} = 2 Cr{+3} + 3 Al{+3} + 7 H2O
K2ReO4 + H2 = Re + KOH + H2O =>
K2ReO4 + 3 H2 = Re + 2 KOH + 2 H2O
H2(SO4) + NaHCO3 = NaHSO4 + H2O + CO2 =>
H2(SO4) + NaHCO3 = NaHSO4 + H2O + CO2
Zn + PbSO4 = Pb2 + ZnSO4 =>
2 Zn + 2 PbSO4 = Pb2 + 2 ZnSO4
CuBr2 + KI = CuBr + KBr + I2 =>
2 CuBr2 + 2 KI = 2 CuBr + 2 KBr + I2
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
NaOH + C4H4O4 = H2O + Na4C4O4 =>
4 NaOH + C4H4O4 = 4 H2O + Na4C4O4
FeSO4 + HOH = Fe3(OHSO4)2 + H2SO4 =>
3 FeSO4 + 2 HOH = Fe3(OHSO4)2 + H2SO4
Mg + Cu(SO4) = Mg(SO4) + Cu =>
Mg + Cu(SO4) = Mg(SO4) + Cu
CuBr2 + KI = CuI2 + KBr =>
CuBr2 + 2 KI = CuI2 + 2 KBr
Pb(NO3)2 + NaI = Pb(NO3)2NaI =>
Pb(NO3)2 + NaI = Pb(NO3)2NaI
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CrO3 + SO2 = Cr2(SO4)3 =>
2 CrO3 + 3 SO2 = Cr2(SO4)3
(NH4)2SO4 + Ba(ClO3)2 = BaSO4 + NH4ClO3 =>
(NH4)2SO4 + Ba(ClO3)2 = BaSO4 + 2 NH4ClO3
Ni + Cl = NiCl2 =>
Ni + 2 Cl = NiCl2
C + HNO3 = CO2 + NO + H2O =>
3 C + 4 HNO3 = 3 CO2 + 4 NO + 2 H2O
SiH10 + O2 = SiO2 + H2O =>
2 SiH10 + 7 O2 = 2 SiO2 + 10 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/01/25
Équations équilibrées sur01/31/24
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