| Équations équilibrées la veille |
2 KClO4 + 5 H2SO4 + 8 KI = 4 I2 + 5 H2O + Cl2O3 + 5 K2SO4
Ho(s) + H2O(l) = Ho(OH)3(aq) + H2(l) =>
2 Ho(s) + 6 H2O(l) = 2 Ho(OH)3(aq) + 3 H2(l)
HCl(aq) + K2CO3(aq) = H2O(l) + CO2(g) + KCl(aq) =>
2 HCl(aq) + K2CO3(aq) = H2O(l) + CO2(g) + 2 KCl(aq)
Fe2 + (SO4)3 + BaCl2 = FeCl + Ba(SO4)3 =>
Fe2 + (SO4)3 + BaCl2 = 2 FeCl + Ba(SO4)3
HIO3 + IH = I2 + H2O =>
HIO3 + 5 IH = 3 I2 + 3 H2O
HCl(aq) + K2CO3(aq) = H2O(l) + CO2(g) + KCl(aq) =>
2 HCl(aq) + K2CO3(aq) = H2O(l) + CO2(g) + 2 KCl(aq)
Zn(No3)2 + NaOH = Zn(OH)2 + Na(No3) =>
Zn(No3)2 + 2 NaOH = Zn(OH)2 + 2 Na(No3)
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Fe(OH)3 + NaOH + Cl2 = NaFeO4 + NaCl + H2O =>
Fe(OH)3 + 5 NaOH + 2 Cl2 = NaFeO4 + 4 NaCl + 4 H2O
Sn + O2 + H2 = SnOH4 =>
2 Sn + O2 + 4 H2 = 2 SnOH4
KI + HNO2 = I2 + KNO3 + H2O + NO =>
2 KI + 8 HNO2 = I2 + 2 KNO3 + 4 H2O + 6 NO
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Mn(OH)2 + Cl2 + NaOH = NaMnO4 + NaCl + H2O =>
2 Mn(OH)2 + 5 Cl2 + 12 NaOH = 2 NaMnO4 + 10 NaCl + 8 H2O
NH4OH + LiCl2 = NH4Cl2 + LiOH =>
NH4OH + LiCl2 = NH4Cl2 + LiOH
Fe(CN)2 + Sn = Fe + Sn(CN)2 =>
Fe(CN)2 + Sn = Fe + Sn(CN)2
Br2 + KOH = KBrO3 + KBr2 + H2O =>
11 Br2 + 12 KOH = 2 KBrO3 + 10 KBr2 + 6 H2O
HBr + FeBr2 = HBr2 + FeBr =>
HBr + FeBr2 = HBr2 + FeBr
Fe + Sn4NO = Fe3NO + Sn =>
3 Fe + Sn4NO = Fe3NO + 4 Sn
Na2SO3 + HNO3 = Na2SO4 + NO + H2O =>
3 Na2SO3 + 2 HNO3 = 3 Na2SO4 + 2 NO + H2O
Fe{+3} + NH2OH + H2O = Fe{+2} + N2O + H3O{+} =>
4 Fe{+3} + 2 NH2OH + 3 H2O = 4 Fe{+2} + N2O + 4 H3O{+}
CuS + HNO3 = CuSO4 + H2O + NO2 =>
CuS + 8 HNO3 = CuSO4 + 4 H2O + 8 NO2
Fe(OH)3 + HCl = FeCl3 + HOH =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 HOH
Cu(OH)2 + H = Cu + H2O =>
Cu(OH)2 + 2 H = Cu + 2 H2O
ZnS + NO3{-} + H{+} = Zn2{+} + S + NO + H2O =>
6 ZnS + NO3{-} + 4 H{+} = 3 Zn2{+} + 6 S + NO + 2 H2O
C12H22O11(c) + O2(g) = H2O(l) + CO2(g) =>
C12H22O11(c) + 12 O2(g) = 11 H2O(l) + 12 CO2(g)
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
MnCl2 + KOH = KCl + Mn(OH)2 =>
MnCl2 + 2 KOH = 2 KCl + Mn(OH)2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HC6H7O7 + NaHCO3 = H2O + CO2 + NaC6H7O7 =>
HC6H7O7 + NaHCO3 = H2O + CO2 + NaC6H7O7
Br + CaCl = CaBr + Cl2 =>
2 Br + 2 CaCl = 2 CaBr + Cl2
Cr(ClO4)3 = Cr{+3} + ClO4{-} =>
Cr(ClO4)3 = Cr{+3} + 3 ClO4{-}
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Fe{+2} + H{+} + ClO3{-} = Fe{+3} + Cl{-} + H2O =>
6 Fe{+2} + 6 H{+} + ClO3{-} = 6 Fe{+3} + Cl{-} + 3 H2O
Al2(CO3)3 + CO2 + H2O = Al(HCO3)3 =>
Al2(CO3)3 + 3 CO2 + 3 H2O = 2 Al(HCO3)3
KH(IO3)2 + NaOH = K(IO3) + Na(IO3) + H2O =>
KH(IO3)2 + NaOH = K(IO3) + Na(IO3) + H2O
P4 + NaOH + H2O = Na2H2P2O6 + PH3 =>
7 P4 + 12 NaOH + 24 H2O = 6 Na2H2P2O6 + 16 PH3
()CaCO3 = CaO + CO2 =>
()CaCO3 = CaO + CO2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Mn{2+} + O2 + H2O = MnO(OH)2 + H{+} =>
2 Mn{2+} + O2 + 4 H2O = 2 MnO(OH)2 + 4 H{+}
KMnO4 + NH3 = KNO3 + MnO2 + KOH + H2O =>
8 KMnO4 + 3 NH3 = 3 KNO3 + 8 MnO2 + 5 KOH + 2 H2O
NaCl + PbNO3 = PbCl2 + Na2NO3 =>
2 NaCl + PbNO3 = PbCl2 + Na2NO3
NaNO3 + K3PO4 = Na3PO4 + KNO3 =>
3 NaNO3 + K3PO4 = Na3PO4 + 3 KNO3
CNH3 = N + H + C =>
CNH3 = N + 3 H + C
H2SeO3 + Li(OH) = H2O + Li2(SeO3) =>
H2SeO3 + 2 Li(OH) = 2 H2O + Li2(SeO3)
N2H4*H2SO4 + NaOH = N2H4 + NaHSO4 + H2O =>
N2H4*H2SO4 + NaOH = N2H4 + NaHSO4 + H2O
Li2SO4 + Pb(NO3)2 = Pb(SO4) + LiNO3 =>
Li2SO4 + Pb(NO3)2 = Pb(SO4) + 2 LiNO3
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
K2SO4 + H3PO4 = K2HPO4 + H2SO4 =>
K2SO4 + H3PO4 = K2HPO4 + H2SO4
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Équations équilibrées sur10/15/24
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