| Équations équilibrées la veille |
9 MgO + 8 BrO5 = 9 MgO5 + 4 Br2O
Cu(OH)2 + K2C4H4O6 = KOH + [Cu(C4H4O6)] =>
Cu(OH)2 + K2C4H4O6 = 2 KOH + [Cu(C4H4O6)]
N2 + O4 + H2O = NH4NO3 =>
4 N2 + O4 + 8 H2O = 4 NH4NO3
AgCl(s) + Na2S2O3(aq) = Ag2S2O3 + NaCl =>
2 AgCl(s) + Na2S2O3(aq) = Ag2S2O3 + 2 NaCl
SIO2 + H2SO4 = SI(SO4)2 + H2O =>
SIO2 + 2 H2SO4 = SI(SO4)2 + 2 H2O
As2S5 + HNO3 = H3AsO4 + NO2 + H2O + SO2 =>
As2S5 + 30 HNO3 = 2 H3AsO4 + 30 NO2 + 12 H2O + 5 SO2
AlBr3 + CaCrO7 + H3PO4 = Br + CrPO4 + Ca(PO4)2 + AlPO4 + H2O =>
5 AlBr3 + 3 CaCrO7 + 14 H3PO4 = 15 Br + 3 CrPO4 + 3 Ca(PO4)2 + 5 AlPO4 + 21 H2O
Sb(s) + O2(g) = Sb2O5(s) =>
4 Sb(s) + 5 O2(g) = 2 Sb2O5(s)
Sn2{+} + Fe3{+} + Cl = SnCl62{-} + Fe2{+} =>
Sn2{+} + 6 Fe3{+} + 124 Cl = 2 SnCl62{-} + 9 Fe2{+}
Na2H2 = NaH =>
Na2H2 = 2 NaH
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Pb(NO3)2 + NaOH = PbNa + OH(NO3)2 =>
Pb(NO3)2 + NaOH = PbNa + OH(NO3)2
ZnBr2(aq) + K2S(aq) = ZnS(s) + KBr(aq) =>
ZnBr2(aq) + K2S(aq) = ZnS(s) + 2 KBr(aq)
Pb + OH = HPbO2 + H2O =>
Pb + 3 OH = HPbO2 + H2O
K2SiO3 + H2SO4 = K2SO4 + SiO2 + H2O =>
K2SiO3 + H2SO4 = K2SO4 + SiO2 + H2O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Sn + MgSO4 = SnSO4 + Mg =>
Sn + MgSO4 = SnSO4 + Mg
K2Cr2O7 + H2O + AgF = KOH + F2 + Cr(OH)3 + AgOH =>
K2Cr2O7 + 7 H2O + 6 AgF = 2 KOH + 3 F2 + 2 Cr(OH)3 + 6 AgOH
Au(OH)3 + HBrO3 = Au(BrO3)3 + H2O =>
Au(OH)3 + 3 HBrO3 = Au(BrO3)3 + 3 H2O
MnCl2 + NH4OH = NH4Cl + Mn(OH)2 =>
MnCl2 + 2 NH4OH = 2 NH4Cl + Mn(OH)2
CH5OH + CH3COOH = CH3OOC2H5 + H2O =>
CH5OH + CH3COOH = CH3OOC2H5 + H2O
Cl2 + Na2 = ClNa =>
Cl2 + Na2 = 2 ClNa
Ai + O2 = Ai2O5 =>
4 Ai + 5 O2 = 2 Ai2O5
Ca + HNO3 = NO + Ca(NO3)2 + H2O =>
3 Ca + 8 HNO3 = 2 NO + 3 Ca(NO3)2 + 4 H2O
AgCl = Ag + Cl2 =>
2 AgCl = 2 Ag + Cl2
BaSH2O = BaOH2S =>
BaSH2O = BaOH2S
CO2 + CaCO3 = CaC2 + CO5 =>
8 CO2 + 3 CaCO3 = 3 CaC2 + 5 CO5
Zn(NO2)2 + H3PO4 = Zn3(PO4)2 + H2O + N2O3 =>
3 Zn(NO2)2 + 2 H3PO4 = Zn3(PO4)2 + 3 H2O + 3 N2O3
Ca(NO3)2 + PO4 = Ca3(PO4)2 + NO3 =>
3 Ca(NO3)2 + 2 PO4 = Ca3(PO4)2 + 6 NO3
BaO + PbO2 = BaPbO3 =>
BaO + PbO2 = BaPbO3
CaOH + Na{+} = Ca{+} + NaOH =>
CaOH + Na{+} = Ca{+} + NaOH
(NH4)2C2O4 + Nd2(SO4)3 = (NH4)2SO4 + Nd2(C2O4)3 =>
3(NH4)2C2O4 + Nd2(SO4)3 = 3(NH4)2SO4 + Nd2(C2O4)3
FeCuSO4H2O = CuFeSO4*H2O =>
FeCuSO4H2O = CuFeSO4*H2O
H2SO4 + Zn(s) = ZnSO4(s) + H2S(g) + H2O(l) =>
5 H2SO4 + 4 Zn(s) = 4 ZnSO4(s) + H2S(g) + 4 H2O(l)
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
AgNO3 + SnBr2 = Sn(NO3)2 + AgBr =>
2 AgNO3 + SnBr2 = Sn(NO3)2 + 2 AgBr
(NH4)2Cr2O7 = Cr2O3 + N + H2O =>
(NH4)2Cr2O7 = Cr2O3 + 2 N + 4 H2O
CH3COOH + Ca(OH)2 = CaH3COOH + C(OH)2 =>
CH3COOH + Ca(OH)2 = CaH3COOH + C(OH)2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CH3COOAg = Ag{+} + CH3COO{-} =>
CH3COOAg = Ag{+} + CH3COO{-}
H2S + K2Cr2O7 + HBr = S + KBr + CrBr3 + H2O =>
3 H2S + K2Cr2O7 + 8 HBr = 3 S + 2 KBr + 2 CrBr3 + 7 H2O
Ag + PbNo32 = AgNo3 + Pb =>
32 Ag + 3 PbNo32 = 32 AgNo3 + 3 Pb
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
HCl + K4Fe(CN)6 + KMnO4 = K3[Fe(CN)6] + KCl + MnCl2 + H2O =>
8 HCl + 5 K4Fe(CN)6 + KMnO4 = 5 K3[Fe(CN)6] + 6 KCl + MnCl2 + 4 H2O
Cu + Mg(HCO3)2 = Cu(HCO3)2 + Mg =>
Cu + Mg(HCO3)2 = Cu(HCO3)2 + Mg
HF + KOH = H2O + KF =>
HF + KOH = H2O + KF
K4 = K3 =>
3 K4 = 4 K3
Fe2O3 + H2SO4 + H2O = Fe2(SO4)3*7H2O =>
Fe2O3 + 3 H2SO4 + 4 H2O = Fe2(SO4)3*7H2O
AgNO3 + Kl = Ag + KlNO3 =>
AgNO3 + Kl = Ag + KlNO3
NH4NO3 + K2CO3 = K2NO3 + NH4CO3 =>
NH4NO3 + K2CO3 = K2NO3 + NH4CO3
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Équations équilibrées sur11/20/24
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