| Équations équilibrées la veille |
3 Fe + 2 NH3 = Fe3N2 + 3 H2
AuCl3 = Au + Cl =>
AuCl3 = Au + 3 Cl
Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + Na2SO4 + O2 =>
2 Na2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 8 H2O + 2 Na2SO4 + 3 O2
FeCl3 + KL = FeCl2 + L2 + KCl2 =>
4 FeCl3 + 2 KL = 4 FeCl2 + L2 + 2 KCl2
AgNO3(aq) + BaCl2 = AgCl(s) + Ba(NO3)2 =>
2 AgNO3(aq) + BaCl2 = 2 AgCl(s) + Ba(NO3)2
PbO2 + NaOH = Pb(OH)2 + NaO =>
PbO2 + 2 NaOH = Pb(OH)2 + 2 NaO
SO2 + K2MnO4 + H2O = MnSO4 + H2SO4 + KOH =>
2 SO2 + K2MnO4 + 2 H2O = MnSO4 + H2SO4 + 2 KOH
Ni2O3 + HCl = NiCl2 + Cl3 + H2O =>
3 Ni2O3 + 18 HCl = 6 NiCl2 + 2 Cl3 + 9 H2O
Mn2O3 + HCl = MnCl2 + Cl + H2O =>
Mn2O3 + 6 HCl = 2 MnCl2 + 2 Cl + 3 H2O
KMnO4 + Fe(NO3)2 + KOH = KNO3 + Fe(OH)3 + K2MnO4 =>
KMnO4 + Fe(NO3)2 + 3 KOH = 2 KNO3 + Fe(OH)3 + K2MnO4
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
Al(NO3)3 + NaPO4 = AlPO4 + Na(NO3)3 =>
Al(NO3)3 + NaPO4 = AlPO4 + Na(NO3)3
Al(OH)2Cl + HCl = AlOHCl2 + H2O =>
Al(OH)2Cl + HCl = AlOHCl2 + H2O
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
Be(OH)2 + H = Be2 + H2O =>
2 Be(OH)2 + 4 H = Be2 + 4 H2O
Cu + Fe(NO3)2 = Fe + Cu(NO3)2 =>
Cu + Fe(NO3)2 = Fe + Cu(NO3)2
ZnCO3 = ZnO + CO2 =>
ZnCO3 = ZnO + CO2
SO2 + I2 + H2O = HI + H2SO4 =>
SO2 + I2 + 2 H2O = 2 HI + H2SO4
Al3 + I = AlI2 =>
Al3 + 6 I = 3 AlI2
C4H9Br + KOH = C4H8 + KBr + H2O =>
C4H9Br + KOH = C4H8 + KBr + H2O
Sr(OH)2 + Be(OH)2 = Sr[Be(OH)4] =>
Sr(OH)2 + Be(OH)2 = Sr[Be(OH)4]
Al + NaNO3 = Al(NO3)3 + Na =>
Al + 3 NaNO3 = Al(NO3)3 + 3 Na
CUCO3 + H2SO4 = CUSO4H2O + CO2 =>
CUCO3 + H2SO4 = CUSO4H2O + CO2
Cr2O2 + Al = Cr + Al2O3 =>
3 Cr2O2 + 4 Al = 6 Cr + 2 Al2O3
AgNO3 + NaBH4 = Ag + BH3 + HNO3 + NaNO3 =>
2 AgNO3 + NaBH4 = 2 Ag + BH3 + HNO3 + NaNO3
MgCO3 + H2SO4 = MgSO4CO2 + H2O =>
MgCO3 + H2SO4 = MgSO4CO2 + H2O
CaCl2 + Zn(NO3)2 = Ca(NO3)2 + Cl2 + Zn =>
CaCl2 + Zn(NO3)2 = Ca(NO3)2 + Cl2 + Zn
Cr + HNO3 = Cr(NO3)3 + N2 + H2O =>
10 Cr + 36 HNO3 = 10 Cr(NO3)3 + 3 N2 + 18 H2O
Sc(OH)3 = Sc2O3 + H2O =>
2 Sc(OH)3 = Sc2O3 + 3 H2O
K3[Cr(OH)6] + HCl = [Cr(H2O)6]Cl3 + KCl =>
K3[Cr(OH)6] + 6 HCl = [Cr(H2O)6]Cl3 + 3 KCl
KMnO4 + ZnCl2 = KCl + Zn(MnO4)2 =>
2 KMnO4 + ZnCl2 = 2 KCl + Zn(MnO4)2
S2O3{2-} + I2 = S4O6{2-} + I{-} =>
2 S2O3{2-} + I2 = S4O6{2-} + 2 I{-}
FeCl3 + HBr = FeCl2 + Br2 + HCl =>
2 FeCl3 + 2 HBr = 2 FeCl2 + Br2 + 2 HCl
HN3 + CuO = Cu + H2O + N2 =>
2 HN3 + CuO = Cu + H2O + 3 N2
NaOH + Pb(C2H3O2)2 = Pb(OH)2 + C2H3NaO2 =>
2 NaOH + Pb(C2H3O2)2 = Pb(OH)2 + 2 C2H3NaO2
NH4Cl + MgCO3 = MgCl2 + NH3 + CO2 + H2O =>
2 NH4Cl + MgCO3 = MgCl2 + 2 NH3 + CO2 + H2O
CH4 + CO2 + NH3 = C2H4N2 + H2O =>
3 CH4 + 5 CO2 + 8 NH3 = 4 C2H4N2 + 10 H2O
Al(OH)3 + Co(NO3)2 = CoAl2O4 + O2 + NO2 + H2O =>
4 Al(OH)3 + 2 Co(NO3)2 = 2 CoAl2O4 + O2 + 4 NO2 + 6 H2O
Hg + SCN = Hg(SCN)4 =>
Hg + 4 SCN = Hg(SCN)4
LiOH*H2O + H3BO3 = Li2B4O7 + H2O =>
2 LiOH*H2O + 4 H3BO3 = Li2B4O7 + 9 H2O
Ba(ClO3)2 + H2SO4 = BaSO4 + HClO3 =>
Ba(ClO3)2 + H2SO4 = BaSO4 + 2 HClO3
Y2O3 + BaCO3 + CuO = Y3Ba5Cu8O18 + CO2 + CO =>
3 Y2O3 + 10 BaCO3 + 16 CuO = 2 Y3Ba5Cu8O18 + 9 CO2 + CO
NaO + HCl = NaCl + H2 + O2 =>
2 NaO + 2 HCl = 2 NaCl + H2 + O2
K + Co(NO3)2 = K(NO3)2 + Co =>
K + Co(NO3)2 = K(NO3)2 + Co
O2 + Cl2 = Cl2O =>
O2 + 2 Cl2 = 2 Cl2O
KBr + S = K2S + Br2 =>
2 KBr + S = K2S + Br2
C4H8Cl2 + O2 = CO2 + H2O + HCl =>
2 C4H8Cl2 + 11 O2 = 8 CO2 + 6 H2O + 4 HCl
CH3CHOH + O2 = CH3COOH + H2O =>
4 CH3CHOH + 3 O2 = 4 CH3COOH + 2 H2O
NaCl(aq) + H2O = NaH(aq) + Cl2O(aq) =>
2 NaCl(aq) + H2O = 2 NaH(aq) + Cl2O(aq)
MgCrO4 + NaOH = Mg(OH)2 + Na2CrO4 =>
MgCrO4 + 2 NaOH = Mg(OH)2 + Na2CrO4
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Équations équilibrées sur10/26/24
Équations équilibrées sur11/25/23
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