| Équations équilibrées la veille |
Na2Cr2O7 + 3 KNO2 + 4 H2SO4 = 3 KNO3 + Cr2(SO4)3 + Na2SO4 + 4 H2O
MnO4{-} + C8F15O2{-} + H2O = MnO4{-2} + F{-} + H{+} + CO2 =>
14 MnO4{-} + C8F15O2{-} + 14 H2O = 14 MnO4{-2} + 15 F{-} + 28 H{+} + 8 CO2
CN + H2O = CH4 + NO2 =>
CN + 2 H2O = CH4 + NO2
Hg2I2 = Hg + HgI2 =>
Hg2I2 = Hg + HgI2
SO2 + H2O + O2 = H2SO4 =>
2 SO2 + 2 H2O + O2 = 2 H2SO4
HOCl = HCl + O =>
HOCl = HCl + O
NaOH + HB = NaB + H2O =>
NaOH + HB = NaB + H2O
KI(ac) + Br(l) = KBr(ac) + I =>
KI(ac) + Br(l) = KBr(ac) + I
Ba(OH)2(aq) + H2SO4 = BaSO4(s) + H2O(l) =>
Ba(OH)2(aq) + H2SO4 = BaSO4(s) + 2 H2O(l)
Fe + VCl2 = FeCl2 + V =>
Fe + VCl2 = FeCl2 + V
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CuS + O2 = S8 + CuO =>
8 CuS + 4 O2 = S8 + 8 CuO
C6H6N2O2 + NaNO2 + HCl = C6H4N3O2Cl + NaCl + H2O =>
C6H6N2O2 + NaNO2 + 2 HCl = C6H4N3O2Cl + NaCl + 2 H2O
C8H5O3 + O2 = CO2 + H2O =>
4 C8H5O3 + 31 O2 = 32 CO2 + 10 H2O
BaCO3 + Na2SO4 = BaSO4 + CO3Na2 =>
BaCO3 + Na2SO4 = BaSO4 + CO3Na2
C6H6N2O2 + NaNO2 + HCl = C6H4N3O2Cl + NaCl + H2O =>
C6H6N2O2 + NaNO2 + 2 HCl = C6H4N3O2Cl + NaCl + 2 H2O
Ca(ClO)2 + KI + HCl = I + CaCl2 + H2O + KCl =>
Ca(ClO)2 + 4 KI + 4 HCl = 4 I + CaCl2 + 2 H2O + 4 KCl
CaCO3 + HCI = CaCI2 + H2O + CO =>
CaCO3 + 2 HCI = CaCI2 + H2O + 2 CO
HClO4*H2O = HClO4 + H2O =>
HClO4*H2O = HClO4 + H2O
C6H6N2O2 + NaNO2 + HCl = C6H4N3O2Cl + NaCl + H2O =>
C6H6N2O2 + NaNO2 + 2 HCl = C6H4N3O2Cl + NaCl + 2 H2O
N2O5 + LiOH = HNO3 + Li2O =>
N2O5 + 2 LiOH = 2 HNO3 + Li2O
Cu(OH)2 + SO3 = CuSO4 + H2O =>
Cu(OH)2 + SO3 = CuSO4 + H2O
KNO3 + NaNO3 = KNa + NO3 =>
KNO3 + NaNO3 = KNa + 2 NO3
C6H6N2O2 + NaNO2 + HCl = C6H4N3O2Cl + NaCl + H2O =>
C6H6N2O2 + NaNO2 + 2 HCl = C6H4N3O2Cl + NaCl + 2 H2O
C6H6N2O2 + NaNO2 + HCl = C6H4N3O2 + H2O + Na + Cl =>
C6H6N2O2 + NaNO2 + 2 HCl = C6H4N3O2 + 2 H2O + Na + 2 Cl
C6H6N2O2 + NaNO2 + HCl = C6H4ClN3O2 + NaCl + H2O =>
C6H6N2O2 + NaNO2 + 2 HCl = C6H4ClN3O2 + NaCl + 2 H2O
PbCl2(s) + Li2SO4(aq) = PbSO4(s) + LiCl(aq) =>
PbCl2(s) + Li2SO4(aq) = PbSO4(s) + 2 LiCl(aq)
C3H5COOH + NaOH = C3H5COONa + H2O =>
C3H5COOH + NaOH = C3H5COONa + H2O
CuSO4*5H2O + Na2CO3 = Cu2(OH)2CO3 + Na2(SO4) + H2O + CO2(g) =>
2 CuSO4*5H2O + 2 Na2CO3 = Cu2(OH)2CO3 + 2 Na2(SO4) + 9 H2O + CO2(g)
MgO + Cl2 = MgCl2 + O2 =>
2 MgO + 2 Cl2 = 2 MgCl2 + O2
Ce2Al22O36 + CaAl14MgO23 = Ca2Al2Ce2O8 + Al2O3 + MgO =>
Ce2Al22O36 + 2 CaAl14MgO23 = Ca2Al2Ce2O8 + 24 Al2O3 + 2 MgO
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Sr(NO3)2 + NaCl = SrCl2 + Na2(NO3)2 =>
Sr(NO3)2 + 2 NaCl = SrCl2 + Na2(NO3)2
Cr(NO3)2 + H2O2 + KOH = K2CrO4 + KNO3 + H2O =>
Cr(NO3)2 + 2 H2O2 + 4 KOH = K2CrO4 + 2 KNO3 + 4 H2O
CrCl2 + NaNO3 + HCl = CrCl3 + NaCl + H2O + NO =>
3 CrCl2 + NaNO3 + 4 HCl = 3 CrCl3 + NaCl + 2 H2O + NO
Hg + Br = HgBr =>
Hg + Br = HgBr
Zn + HC1 = H2 + ZnC1 =>
2 Zn + 2 HC1 = H2 + 2 ZnC1
CO2 + Na2O = Na2CO3 =>
CO2 + Na2O = Na2CO3
AgNO3 + H2O = AgOH + HNO3 =>
AgNO3 + H2O = AgOH + HNO3
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
C6H6N2O2 + NaNO2 + HCl = C6H4N3O2Cl + NaCl + H2O =>
C6H6N2O2 + NaNO2 + 2 HCl = C6H4N3O2Cl + NaCl + 2 H2O
F2 + I{-} = F{-} + I3{-} =>
F2 + 3 I{-} = 2 F{-} + I3{-}
CuCNS + KIO3 + H3PO4 = Cu(PO4) + K2HPO4 + HCN + I2 + KHSO4 + H2O =>
10 CuCNS + 16 KIO3 + 13 H3PO4 = 10 Cu(PO4) + 3 K2HPO4 + 10 HCN + 8 I2 + 10 KHSO4 + 8 H2O
Mg(NO3)2(ac) + NaOH(ac) = NaNO3(ac) + Mg(OH)2(s) =>
Mg(NO3)2(ac) + 2 NaOH(ac) = 2 NaNO3(ac) + Mg(OH)2(s)
Cs2S = Cs + S =>
Cs2S = 2 Cs + S
Ba(NO3)2 + Li(SO4)2 = Ba(SO4)2 + Li(NO3)2 =>
Ba(NO3)2 + Li(SO4)2 = Ba(SO4)2 + Li(NO3)2
NO + HN3 = N2 + H2O =>
2 NO + 4 HN3 = 7 N2 + 2 H2O
ZnCl2 + BaSO4 = ZnSO4 + BaCl2 =>
ZnCl2 + BaSO4 = ZnSO4 + BaCl2
NaHCO3 + CH3COOH = CO2 + H2O + NaCH3CO2 =>
NaHCO3 + CH3COOH = CO2 + H2O + NaCH3CO2
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