| Équations équilibrées la veille |
BrO3{-} + 5 Br{-} + 6 H{+} = 3 Br2 + 3 H2O
FeO + C6H8O7 = FeC6H6O7 + H2O =>
FeO + C6H8O7 = FeC6H6O7 + H2O
ZnO2 + H2O = Zn + OH =>
ZnO2 + 2 H2O = Zn + 4 OH
ClO3{-} + H{+} + e = Cl{-} + H2O =>
ClO3{-} + 6 H{+} + 6e = Cl{-} + 3 H2O
Ni2O + H2SO4 = Ni2SO4 + H2O =>
Ni2O + H2SO4 = Ni2SO4 + H2O
Al2O3 + NaOH + HF = Na3AlF6 + H2O =>
Al2O3 + 6 NaOH + 12 HF = 2 Na3AlF6 + 9 H2O
P2O3 + KMnO4 + H2O = H3PO4 + MnO2 + KOH =>
3 P2O3 + 4 KMnO4 + 11 H2O = 6 H3PO4 + 4 MnO2 + 4 KOH
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C15H20O + O2 = CO2 + H2O =>
2 C15H20O + 39 O2 = 30 CO2 + 20 H2O
Cl2O7ZnO = Zn(ClO4)2 =>
Cl2O7ZnO = Zn(ClO4)2
U + Br2 = UBr6 =>
U + 3 Br2 = UBr6
Rb3PO4 + H2O = Rb2O + H3PO4 =>
2 Rb3PO4 + 3 H2O = 3 Rb2O + 2 H3PO4
HCOOHNaOH = HCOONaH2O =>
HCOOHNaOH = HCOONaH2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CI2 + KI = I2 + KCI =>
CI2 + KI = I2 + KCI
FeCl3 + Mg = Fe + MgCl2 =>
2 FeCl3 + 3 Mg = 2 Fe + 3 MgCl2
Cd(OH)2 + CH3COOH = Cd(CH3COO)2 + H2O =>
Cd(OH)2 + 2 CH3COOH = Cd(CH3COO)2 + 2 H2O
K2CrO4 + K2S + H2SO4 = Cr2(SO4)3 + KHSO4 + H2O =>
8 K2CrO4 + 3 K2S + 31 H2SO4 = 4 Cr2(SO4)3 + 22 KHSO4 + 20 H2O
KOH + HOCl = KOCl + H2O =>
KOH + HOCl = KOCl + H2O
H2 + S = H2S =>
H2 + S = H2S
KOH + C4H10O2 = C4H9O2K + H2O =>
KOH + C4H10O2 = C4H9O2K + H2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
K2SO4(aq) + Ba(ClO4)2(aq) = BaSO4(s) + KClO4(aq) =>
K2SO4(aq) + Ba(ClO4)2(aq) = BaSO4(s) + 2 KClO4(aq)
Mg(OH)2(s) + H3O{+}(aq) = Mg{+2}(aq) + H2O(l) =>
Mg(OH)2(s) + 2 H3O{+}(aq) = Mg{+2}(aq) + 4 H2O(l)
Sn + HCl + K2Cr2O7 = SnCl4 + H2O + CrCl2 + KCl =>
2 Sn + 14 HCl + K2Cr2O7 = 2 SnCl4 + 7 H2O + 2 CrCl2 + 2 KCl
N2H2 + H2O = N2H4 + O2 =>
2 N2H2 + 2 H2O = 2 N2H4 + O2
NaNO2 + Al2(CO3)3 = Na2CO3 + Al(NO2)3 =>
6 NaNO2 + Al2(CO3)3 = 3 Na2CO3 + 2 Al(NO2)3
Mg(OH)2(s) + H3O{+}(aq) = Mg{+2}(aq) + H2O(l) =>
Mg(OH)2(s) + 2 H3O{+}(aq) = Mg{+2}(aq) + 4 H2O(l)
P3O10 + H2O = H3 + PO4 =>
3 P3O10 + 6 H2O = 4 H3 + 9 PO4
Na2CO3(aq) + K2CrO4(aq) = Na2CrO4(aq) + K2CO3(aq) =>
Na2CO3(aq) + K2CrO4(aq) = Na2CrO4(aq) + K2CO3(aq)
H2O + Cr2(SO4)3 + K2S = K2SO4 + Cr(OH)3 + H2S =>
6 H2O + Cr2(SO4)3 + 3 K2S = 3 K2SO4 + 2 Cr(OH)3 + 3 H2S
Ca(OH)2 + H3PO4 = CaP2O6 + H2O =>
Ca(OH)2 + 2 H3PO4 = CaP2O6 + 4 H2O
KClO3 + (NH4)2SO4 = K2SO4 + NH4ClO3 =>
2 KClO3 + (NH4)2SO4 = K2SO4 + 2 NH4ClO3
CaCO3 + C2H4O2 = CO2 + H2O + Ca(CH3CO2)2 =>
CaCO3 + 2 C2H4O2 = CO2 + H2O + Ca(CH3CO2)2
BaO + CO3 = BaCO3 + O2 =>
2 BaO + 2 CO3 = 2 BaCO3 + O2
Ba(NO3)2 + Ni3(PO4)2 = Ba3(PO4)2 + Ni(NO3)2 =>
3 Ba(NO3)2 + Ni3(PO4)2 = Ba3(PO4)2 + 3 Ni(NO3)2
NH3 + Cl2 = N2 + NH4Cl =>
8 NH3 + 3 Cl2 = N2 + 6 NH4Cl
Nb + Cl2 + NaOH = Nb(OH) + NaCl =>
2 Nb + Cl2 + 2 NaOH = 2 Nb(OH) + 2 NaCl
HMnO4 + HI = MnO + HIO4 + H2O =>
8 HMnO4 + 5 HI = 8 MnO + 5 HIO4 + 4 H2O
C2H4 + Br2 = C2H4Br2 =>
C2H4 + Br2 = C2H4Br2
[Cr(H2O)4Cl2] + [SnCl3]{-} = CrCl3 + Sn + H2O + Cl{-} =>
2[Cr(H2O)4Cl2] + [SnCl3]{-} = 2 CrCl3 + Sn + 8 H2O + Cl{-}
CH3OH + H2O = CH3O + H3O =>
CH3OH + H2O = CH3O + H3O
CO3 + H2O = H2CO3 + OH =>
CO3 + 2 H2O = H2CO3 + 2 OH
Al2(SO4)3 + NaCl = Na2(SO4) + AlCl3 =>
Al2(SO4)3 + 6 NaCl = 3 Na2(SO4) + 2 AlCl3
AsCl3 = As4 + Cl2 =>
4 AsCl3 = As4 + 6 Cl2
Hg(No2) + Zn = Hg2 + Zn(No2)2 =>
2 Hg(No2) + Zn = Hg2 + Zn(No2)2
C6H5OH + C6H4(CO)2O = C20H14O4 + H2O =>
2 C6H5OH + C6H4(CO)2O = C20H14O4 + H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
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