| Équations équilibrées la veille |
Fe2O3 + 6 HCl = 2 FeCl3(s) + 3 H2O
(CN)2 + H2O = NH3 + H2C2O4 =>
(CN)2 + 4 H2O = 2 NH3 + H2C2O4
HCl(ac) + Zn = ZnCl2 + H2(g) =>
2 HCl(ac) + Zn = ZnCl2 + H2(g)
KMnO4(aq) + HCl(aq) = KCl2(aq) + MnCl2(aq) + Cl2(aq) + H2O(l) =>
KMnO4(aq) + 8 HCl(aq) = KCl2(aq) + MnCl2(aq) + 2 Cl2(aq) + 4 H2O(l)
Br{-} + MnO2 + H2O = Br2 + Mn{+2} + OH{-} =>
2 Br{-} + MnO2 + 2 H2O = Br2 + Mn{+2} + 4 OH{-}
NH4SCN + (NH4)2Cr2O7 = (NH4)[Cr(SCN)4(NH3)2] + NH3 + H2O + O2 =>
16 NH4SCN + 2(NH4)2Cr2O7 = 4(NH4)[Cr(SCN)4(NH3)2] + 8 NH3 + 8 H2O + 3 O2
NO + HOH = HNO3 + H =>
NO + 2 HOH = HNO3 + 3 H
HgCl2 + H2S = Hg3S2Cl2 + HCl =>
3 HgCl2 + 2 H2S = Hg3S2Cl2 + 4 HCl
Mn2 + Br = MnBr2 =>
Mn2 + 4 Br = 2 MnBr2
LiS + HNO3 = LiNO3 + HS =>
LiS + HNO3 = LiNO3 + HS
C5H10(l) + O2 = CO2(g) + H2O(g) =>
2 C5H10(l) + 15 O2 = 10 CO2(g) + 10 H2O(g)
LiI + BaCl2 = LiCl + BaI2 =>
2 LiI + BaCl2 = 2 LiCl + BaI2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
ClO2 + NH3 = N2 + NH4Cl + H2O =>
6 ClO2 + 16 NH3 = 5 N2 + 6 NH4Cl + 12 H2O
FeCrO4(s) + K2CO3 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 FeCrO4(s) + 4 K2CO3 + O2 = 2 Fe2O3 + 4 K2CrO4 + 4 CO2
ClO + NaOH = NaO + ClOH =>
ClO + NaOH = NaO + ClOH
Co(NO3)2 + NH3 + (NH4)2CO3H2O2 = [Co(NH3)4CO3]NO3 + NH4NO3 + H2O =>
8 Co(NO3)2 + 26 NH3 + 8(NH4)2CO3H2O2 = 8[Co(NH3)4CO3]NO3 + 9 NH4NO3 + 13 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Zn + BaCl2 = BaZn + Cl2 =>
Zn + BaCl2 = BaZn + Cl2
NaCO3 + CuBr2 = Cu(CO3)2 + NaBr =>
2 NaCO3 + CuBr2 = Cu(CO3)2 + 2 NaBr
Zn + Pb(ll)NO3 = Zn(NO3)2 + Pb =>
Zn + 2 Pb(ll)NO3 = Zn(NO3)2 + 2 Pb
K + Al + Si + O2 + OH = KAl3Si3O10(OH)2 =>
K + 3 Al + 3 Si + 5 O2 + 2 OH = KAl3Si3O10(OH)2
Zn + BaCl2 = BaZn + Cl2 =>
Zn + BaCl2 = BaZn + Cl2
H2SO4 + H2C2O4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
4 H2SO4 + 3 H2C2O4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
MgCO3 + NaNO3 = MgNa + CO3NO3 =>
MgCO3 + NaNO3 = MgNa + CO3NO3
Zn + BaCl2 = BaZn + Cl2 =>
Zn + BaCl2 = BaZn + Cl2
Tl2O3(s) + CO2(g) = Tl2(CO3)3(s) =>
Tl2O3(s) + 3 CO2(g) = Tl2(CO3)3(s)
SrNO3 + CuSO4 = CuNO3 + SrSO4 =>
SrNO3 + CuSO4 = CuNO3 + SrSO4
Zn + BaCl2 = BaZn + Cl2 =>
Zn + BaCl2 = BaZn + Cl2
F2 + AlCl3 = Cl + F3Al =>
3 F2 + 2 AlCl3 = 6 Cl + 2 F3Al
K3PO4 + Sr(NO3)3 = KNO3 + Sr(PO4) =>
K3PO4 + Sr(NO3)3 = 3 KNO3 + Sr(PO4)
BaF2 + ZnSO4 = BaSO4 + ZnF2 =>
BaF2 + ZnSO4 = BaSO4 + ZnF2
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
N2 + NaCl = Na + N2Cl =>
N2 + NaCl = Na + N2Cl
NaI + FeCl3 = I2 + FeI2 + NaCl =>
6 NaI + 2 FeCl3 = I2 + 2 FeI2 + 6 NaCl
MgF2 + (NH4)2CO3 = MgCO3 + NH4F =>
MgF2 + (NH4)2CO3 = MgCO3 + 2 NH4F
KClO3 + P4 = P4O10 + KCl =>
10 KClO3 + 3 P4 = 3 P4O10 + 10 KCl
Na2SO3 + KMnO4 = NaMnO4 + K2SO3 =>
Na2SO3 + 2 KMnO4 = 2 NaMnO4 + K2SO3
F2 + NiI = NiF3 + I2 =>
3 F2 + 2 NiI = 2 NiF3 + I2
CrO4{-2} + H2O = HCrO4{-} + OH{-} =>
CrO4{-2} + H2O = HCrO4{-} + OH{-}
NaHCO3 + HNO2 = NaNO2 + H2CO3 =>
NaHCO3 + HNO2 = NaNO2 + H2CO3
MgSO4 + Na3PO4 = Mg3(PO4)2 + Na2SO4 =>
3 MgSO4 + 2 Na3PO4 = Mg3(PO4)2 + 3 Na2SO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cr(NO3)3 + KClO3 + KNO3 + H2O = K2Cr2O7 + KCl + HNO3 =>
2 Cr(NO3)3 + KClO3 + 2 KNO3 + 4 H2O = K2Cr2O7 + KCl + 8 HNO3
C2H5OH + O2 = CO + H2O =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
HNO3 + FeSO4*7H2O = Fe2(SO4)3 + Fe(NO3)3 + NO2 + H2O =>
6 HNO3 + 3 FeSO4*7H2O = Fe2(SO4)3 + Fe(NO3)3 + 3 NO2 + 24 H2O
CH3OH + NaOH = H2 + CHOONa =>
CH3OH + NaOH = 2 H2 + CHOONa
Zn + BaCl2 = BaZn + Cl2 =>
Zn + BaCl2 = BaZn + Cl2
CH3COF + H2O = CH3COOH + HF =>
CH3COF + H2O = CH3COOH + HF
Mn(NO3)2*4H2O + LiNO3 + C2H5NO2 = LiMn2O4 + CO2 + H2O + N2 =>
36 Mn(NO3)2*4H2O + 18 LiNO3 + 44 C2H5NO2 = 18 LiMn2O4 + 88 CO2 + 254 H2O + 67 N2
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