| Équations équilibrées la veille |
2 BaCl + 2 HCl = 2 BaCl2 + H2
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
KOH + Cl2 = KCl + KClO4 + H2O =>
8 KOH + 4 Cl2 = 7 KCl + KClO4 + 4 H2O
Fe + Cu{+} = Fe{3} + Cu =>
Fe + 3 Cu{+} = Fe{3} + 3 Cu
CrCl2 + NaOH + Br2 = Na2CrO4 + NaBr + NaCl + H2O =>
CrCl2 + 8 NaOH + 2 Br2 = Na2CrO4 + 4 NaBr + 2 NaCl + 4 H2O
C6H12O6 = CO2 + H2O + C5H10O3 =>
C6H12O6 = CO2 + H2O + C5H10O3
CuSO4*5H2O + NaHSO3 + NaOH + NaCl = HCuCl2 + SO4{2-} + H2O + Na{+} =>
2 CuSO4*5H2O + NaHSO3 + NaOH + 4 NaCl = 2 HCuCl2 + 3 SO4{2-} + 10 H2O + 6 Na{+}
HNO3(aq) + Na2SO3(aq) = NaNO3(aq) + H2O(l) + SO2 =>
2 HNO3(aq) + Na2SO3(aq) = 2 NaNO3(aq) + H2O(l) + SO2
K2[HgI4] + NH4OH + KOH = [Hg2N]I + KI + H2O =>
2 K2[HgI4] + NH4OH + 3 KOH = [Hg2N]I + 7 KI + 4 H2O
Cl2 + H2O = HCl + HClO3 =>
3 Cl2 + 3 H2O = 5 HCl + HClO3
Co{+2} + NH4{+} + NH3 + H2O2 + Cl{-} = [Co(NH3)5Cl]Cl2 + H2O =>
2 Co{+2} + 2 NH4{+} + 8 NH3 + H2O2 + 6 Cl{-} = 2[Co(NH3)5Cl]Cl2 + 2 H2O
CH3CH2OH + Cr2O7{2-} + H3O{+} = CH3CHO + Cr{3+} + H2O =>
3 CH3CH2OH + Cr2O7{2-} + 8 H3O{+} = 3 CH3CHO + 2 Cr{3+} + 15 H2O
Zn + HNO3 = Zn(NO3)6 + H2O + NH4NO3 =>
4 Zn + 30 HNO3 = 4 Zn(NO3)6 + 9 H2O + 3 NH4NO3
Pb(CH3COO)2 = Pb + (CH3COO) =>
Pb(CH3COO)2 = Pb + 2(CH3COO)
H2O + MgO = Mg + H2O2 =>
H2O + MgO = Mg + H2O2
LiNO3(aq) + K2CO3(aq) = Li2CO3 + KNO3 =>
2 LiNO3(aq) + K2CO3(aq) = Li2CO3 + 2 KNO3
K3(PO)4 + Ag(NO)3 = K(NO)3 + Ag3(PO)4 =>
K3(PO)4 + 3 Ag(NO)3 = 3 K(NO)3 + Ag3(PO)4
PBO2 + HCl = PBCl2 + H2O + Cl2 =>
PBO2 + 4 HCl = PBCl2 + 2 H2O + Cl2
KI + HgNO3 = KNO3 + HgI =>
KI + HgNO3 = KNO3 + HgI
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Li2SO4 + Ba(NO3)2 = BaSO4 + LiNO3 =>
Li2SO4 + Ba(NO3)2 = BaSO4 + 2 LiNO3
Na2SO4 + MgS = Na2S + SO4Mg =>
Na2SO4 + MgS = Na2S + SO4Mg
SICl4 = SI + Cl2 =>
SICl4 = SI + 2 Cl2
Cr2O7 + HCl + H{+} = Cl2 + Cr3{+} + H2O =>
3 Cr2O7 + 40 HCl + 2 H{+} = 20 Cl2 + 2 Cr3{+} + 21 H2O
Zn + Cu3(PO4) = Cu + Zn(PO4) =>
Zn + Cu3(PO4) = 3 Cu + Zn(PO4)
C8H18O = CH2(CH2)4CH(OH)(CH2)2H2 =>
C8H18O = CH2(CH2)4CH(OH)(CH2)2H2
As4 + H2O + NO3{-} = AsO4{3-} + NO + H3O{+} =>
3 As4 + 24 H2O + 20 NO3{-} = 12 AsO4{3-} + 20 NO + 16 H3O{+}
OH + ClO2{-} + Ag{+} = ClO4{-} + Ag + H{+} =>
2 OH + ClO2{-} + 2 Ag{+} = ClO4{-} + 2 Ag + 2 H{+}
Al2(SO4)3 + H2SO4 = Al + S2O7 + H2O =>
Al2(SO4)3 + 3 H2SO4 = 2 Al + 3 S2O7 + 3 H2O
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
CaCO3 + Y2O3 + TiO2 = CaY4Ti4O15 + CO2 =>
CaCO3 + 2 Y2O3 + 4 TiO2 = CaY4Ti4O15 + CO2
H2S(aq) + MnO4{-}(aq) = S(s) + MnO2(s) + H2O(l) + OH{-}(aq) =>
3 H2S(aq) + 2 MnO4{-}(aq) = 3 S(s) + 2 MnO2(s) + 2 H2O(l) + 2 OH{-}(aq)
FeSO4 + Na2CO3 = Fe2(CO3)2 + Na2SO4 =>
2 FeSO4 + 2 Na2CO3 = Fe2(CO3)2 + 2 Na2SO4
(ZnOH)NO3 + HNO3 = Zn(NO3)2 + H2O =>
(ZnOH)NO3 + HNO3 = Zn(NO3)2 + H2O
B + H2O + Fe3O4 = B(OH)3 + FeO =>
2 B + 3 H2O + 3 Fe3O4 = 2 B(OH)3 + 9 FeO
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C2D3 = C + D =>
C2D3 = 2 C + 3 D
W(OH)6 + HCl = W(OH)5Cl + H2O =>
W(OH)6 + HCl = W(OH)5Cl + H2O
H2SO3{-} + H2O = HSO3{-} + H3O =>
H2SO3{-} + H2O = HSO3{-} + H3O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
(AuCl4){-} + Cu = Au + Cl{-} + Cu{2+} =>
2(AuCl4){-} + 3 Cu = 2 Au + 8 Cl{-} + 3 Cu{2+}
K + H2 + P + O2 = KH2PO4 =>
K + H2 + P + 2 O2 = KH2PO4
CH4 + Cl2 = CH3Cl + HCl =>
CH4 + Cl2 = CH3Cl + HCl
Cu2S + HNO3 = Cu(NO3)2 + SO2 + H2O + NO =>
3 Cu2S + 20 HNO3 = 6 Cu(NO3)2 + 3 SO2 + 10 H2O + 8 NO
CH4 = C + H =>
CH4 = C + 4 H
H3AsO3 + MnO4{-} + H{+} = H3AsO4 + Mn{2} + H2O =>
5 H3AsO3 + 2 MnO4{-} + 6 H{+} = 5 H3AsO4 + 2 Mn{2} + 3 H2O
Ag2SO4 + I2 = AgIO3 + AgI + SO2 =>
3 Ag2SO4 + 3 I2 = 2 AgIO3 + 4 AgI + 3 SO2
I2 + H2O = IO3{-} + H{+} + e =>
I2 + 6 H2O = 2 IO3{-} + 12 H{+} + 10e
{3}O{-}2 = {2}O{-}3 =>
2{3}O{-}2 = 3{2}O{-}3
Na(s) + At2(s) = NaAt(s) =>
2 Na(s) + At2(s) = 2 NaAt(s)
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Équations équilibrées sur10/15/24
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