| Équations équilibrées la veille |
2 S + 2 Zn = Zn2S2
KMnO4 + KCl + H2SO4 = MnSO4 + K2SO4 + H2O + Cl2 =>
2 KMnO4 + 10 KCl + 8 H2SO4 = 2 MnSO4 + 6 K2SO4 + 8 H2O + 5 Cl2
Fe1S1 + O2 = Fe2O3 + SO2 =>
4 Fe1S1 + 7 O2 = 2 Fe2O3 + 4 SO2
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
CHCH + KMnO4 + KOH = COOKCOOK + K2MnO4 + H2O =>
CHCH + 8 KMnO4 + 10 KOH = COOKCOOK + 8 K2MnO4 + 6 H2O
SO(g) + H2O(l) = H2S2O3(aq) =>
2 SO(g) + H2O(l) = H2S2O3(aq)
NaOH + H2 = NaOH3 =>
NaOH + H2 = NaOH3
C6H6O + O2 = CO2 + H2O =>
C6H6O + 7 O2 = 6 CO2 + 3 H2O
Ba(NO3)2 + Na3PO4 = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaNO3
H2S(aq) + O2(g) = SO2(g) + H2O(l) =>
2 H2S(aq) + 3 O2(g) = 2 SO2(g) + 2 H2O(l)
MnO4{-} + H2O + {-} = MnO2 + OH{-} =>
MnO4{-} + 2 H2O + 3e = MnO2 + 4 OH{-}
H2SO4(aq) + NaI(s) = Na2SO4(aq) + H2O(l) + I2(g) + SO2(g) =>
2 H2SO4(aq) + 2 NaI(s) = Na2SO4(aq) + 2 H2O(l) + I2(g) + SO2(g)
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
Ca(OH)2 + CuCl2 = CaCl2 + Cu(OH)2 =>
Ca(OH)2 + CuCl2 = CaCl2 + Cu(OH)2
Ag(NO3) + Zn3 = Ag(NO3)Zn3 =>
Ag(NO3) + Zn3 = Ag(NO3)Zn3
HC2H3O2(aq) + Sr(OH)2(aq) = Sr(C2H3O2)2(aq) + H2O(l) =>
2 HC2H3O2(aq) + Sr(OH)2(aq) = Sr(C2H3O2)2(aq) + 2 H2O(l)
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Be + Cl2 + AgNO3 = Be(NO3)2 + AgCl2 =>
Be + 2 Cl2 + 2 AgNO3 = Be(NO3)2 + 2 AgCl2
Zn + Ag(No3)2 = Ag + Zn(No3) =>
2 Zn + Ag(No3)2 = Ag + 2 Zn(No3)
CaS + Zn = ZnS + Ca =>
CaS + Zn = ZnS + Ca
Cl2 + H2O + KCl = KClO3 + HCl =>
3 Cl2 + 3 H2O + KCl = KClO3 + 6 HCl
NaHCO3 + NaOH = Na2CO3 + H2O =>
NaHCO3 + NaOH = Na2CO3 + H2O
HCl + SO2 + H2O = H2S + HClO3 =>
HCl + SO2 + H2O = H2S + HClO3
CH3CH2OH + KCr2O7 + H2SO4 = CH3COOH + Cr(SO4)3 + K4SO4 + H2O =>
3 CH3CH2OH + 8 KCr2O7 + 50 H2SO4 = 3 CH3COOH + 16 Cr(SO4)3 + 2 K4SO4 + 53 H2O
Fe(NO3)3 + NH4OH = Fe(OH)3(aq) + NH4NO3(aq) =>
Fe(NO3)3 + 3 NH4OH = Fe(OH)3(aq) + 3 NH4NO3(aq)
C2H5OH + H3PO4 = H2O + (C2H5)3PO4 =>
3 C2H5OH + H3PO4 = 3 H2O + (C2H5)3PO4
Ca(NO3)2 = Ca + NO3 =>
Ca(NO3)2 = Ca + 2 NO3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
KMnO4 + HCl + C2H2O4 = CO2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 6 HCl + 5 C2H2O4 = 10 CO2 + 2 MnCl2 + 2 KCl + 8 H2O
Na3CrO4 + H2SO4 = Na2SO4 + Cr + Cr2O7 + H2O =>
14 Na3CrO4 + 21 H2SO4 = 21 Na2SO4 + 4 Cr + 5 Cr2O7 + 21 H2O
Al + O3 = Al2O3 =>
2 Al + O3 = Al2O3
H4P2O7 + Na(OH) = P2O7Na4 + H2O =>
H4P2O7 + 4 Na(OH) = P2O7Na4 + 4 H2O
P(s) + O2(g) = P2O5(s) =>
4 P(s) + 5 O2(g) = 2 P2O5(s)
H3N + CO2 = CON2H4 + H2O =>
2 H3N + CO2 = CON2H4 + H2O
Mn(NO3)2 + NaF = MnF2 + NaNO3 =>
Mn(NO3)2 + 2 NaF = MnF2 + 2 NaNO3
KCl{-}I + Br20 = KBr{-}I + Cl20 =>
20 KCl{-}I + Br20 = 20 KBr{-}I + Cl20
Si + HNO3 = SiO2 + H2O + N2O =>
2 Si + 2 HNO3 = 2 SiO2 + H2O + N2O
K2S2O3 + H2O2 + KOH = K2SO4 + H2O =>
K2S2O3 + 4 H2O2 + 2 KOH = 2 K2SO4 + 5 H2O
Sb2 + HNO3 = SbO5 + NO2 + H2O =>
Sb2 + 20 HNO3 = 2 SbO5 + 20 NO2 + 10 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C6H7N + C10H10O2 = C16H13N + H2O =>
C6H7N + C10H10O2 = C16H13N + 2 H2O
Li2CO3 + H2SO4 = LiHSO4 + H2O + CO2 =>
Li2CO3 + 2 H2SO4 = 2 LiHSO4 + H2O + CO2
CoCO3 = CO3Co =>
CoCO3 = CO3Co
Rh4F20 + H2O = Rh2O3 + O2 + HF =>
Rh4F20 + 10 H2O = 2 Rh2O3 + 2 O2 + 20 HF
C15H34 + O2 = CO2 + H2O =>
2 C15H34 + 47 O2 = 30 CO2 + 34 H2O
Pt2O3 + H2O = Pt(OH)3 =>
Pt2O3 + 3 H2O = 2 Pt(OH)3
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
C6H7N + C10H10O2 = C16H13N + H2O =>
C6H7N + C10H10O2 = C16H13N + 2 H2O
Zn + NiNO3 = ZnNi + NO3 =>
Zn + NiNO3 = ZnNi + NO3
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Équations équilibrées sur01/04/25
Équations équilibrées sur02/03/24
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