| Équations équilibrées la veille |
Na2SO4 + 5 SbCl3 + 4 Fe + H2O = 2 NaCl + 4 FeCl2 + 5 SbOCl + H2S
(CH3)2NH + H2SO4 = [(CH3)2NH2]2SO4 =>
2(CH3)2NH + H2SO4 = [(CH3)2NH2]2SO4
Al(OH)3 + NiCl2 = AlCl3 + Ni(OH)2 =>
2 Al(OH)3 + 3 NiCl2 = 2 AlCl3 + 3 Ni(OH)2
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
Pb3O4 + KMnO4 + H2SO4 = Pb(SO4)2 + K2SO4 + MnSO4 + H2O =>
5 Pb3O4 + 4 KMnO4 + 36 H2SO4 = 15 Pb(SO4)2 + 2 K2SO4 + 4 MnSO4 + 36 H2O
Hg2(NO3)2 + NaF = NaNO3 + Hg2F2 =>
Hg2(NO3)2 + 2 NaF = 2 NaNO3 + Hg2F2
Pb2 + H2O = Pb(OH)2 + H2 =>
Pb2 + 4 H2O = 2 Pb(OH)2 + 2 H2
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
Xe + PF5 = PF3 + XeF4 =>
Xe + 2 PF5 = 2 PF3 + XeF4
H2TeO4 + La(OH)3 = La(HTeO4)3 + H2O =>
3 H2TeO4 + La(OH)3 = La(HTeO4)3 + 3 H2O
K2S + CdCl2 = CdS + KCl =>
K2S + CdCl2 = CdS + 2 KCl
Mg + PO4 = Mg3(PO4)2 =>
3 Mg + 2 PO4 = Mg3(PO4)2
B4 + F9 + S + Eg12 + V48 + Sa12 = B2F2S1Eg4V2Sa1 =>
36 B4 + 16 F9 + 72 S + 24 Eg12 + 3 V48 + 6 Sa12 = 72 B2F2S1Eg4V2Sa1
CH3CH2OH + CH3CH2Br = CH3CH2CH2CH2Br + H2O =>
CH3CH2OH + CH3CH2Br = CH3CH2CH2CH2Br + H2O
FeS2 + HNO3 = Fe(NO3)3 + NO + H2SO4 + H2O =>
FeS2 + 8 HNO3 = Fe(NO3)3 + 5 NO + 2 H2SO4 + 2 H2O
VO3 + H2 = V + H2O =>
VO3 + 3 H2 = V + 3 H2O
K + H2SO4 = H2O + K2SO4 + SO2 =>
2 K + 2 H2SO4 = 2 H2O + K2SO4 + SO2
MgCO3 + SiO2 = Mg2Si + CO2 + O2 =>
2 MgCO3 + SiO2 = Mg2Si + 2 CO2 + 2 O2
Fe + KNO2 = Fe2O3 + K2O + N2 =>
2 Fe + 2 KNO2 = Fe2O3 + K2O + N2
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
CuBr2 + NaOH = Cu(OH)2 + NaBr =>
CuBr2 + 2 NaOH = Cu(OH)2 + 2 NaBr
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
Ba3N2 + HF = BaF2 + NH3 =>
Ba3N2 + 6 HF = 3 BaF2 + 2 NH3
P + Cl2 + H2O = H3PO3 + HCl =>
2 P + 3 Cl2 + 6 H2O = 2 H3PO3 + 6 HCl
NH4NO3 + AgNO3 = Ag3N + HNO3 =>
NH4NO3 + 3 AgNO3 = Ag3N + 4 HNO3
Ca(ClO)2 + CuO = Ca + CuCl2 + O2 =>
2 Ca(ClO)2 + 2 CuO = 2 Ca + 2 CuCl2 + 3 O2
Ni + HNO3 = Ni(NO3)3 + H2O + NO =>
Ni + 4 HNO3 = Ni(NO3)3 + 2 H2O + NO
As + MgSO4 = Mg + AsSO4 =>
As + MgSO4 = Mg + AsSO4
C7H5NaO3 + HCl = C7H6O3 + NaCl =>
C7H5NaO3 + HCl = C7H6O3 + NaCl
CH3CH2OH + CH3CH2Br = CH3CH2CH2CH2Br + H2O =>
CH3CH2OH + CH3CH2Br = CH3CH2CH2CH2Br + H2O
L2 + HNO2 = HLO4 + NO + H2O =>
L2 + 14 HNO2 = 2 HLO4 + 14 NO + 6 H2O
K2O + NH3 = K + H2O + N2 =>
3 K2O + 2 NH3 = 6 K + 3 H2O + N2
Na2PdCl4 + Fe = Pd + FeCl3 + NaCl =>
3 Na2PdCl4 + 2 Fe = 3 Pd + 2 FeCl3 + 6 NaCl
(CH3(CH3)6CH) + O2 = CO2 + H2O =>
2(CH3(CH3)6CH) + 27 O2 = 16 CO2 + 22 H2O
MgSO4 + NaOH = Na2SO4 + Mg(OH)2 =>
MgSO4 + 2 NaOH = Na2SO4 + Mg(OH)2
C7H16 + Cl = C + HCl =>
C7H16 + 16 Cl = 7 C + 16 HCl
S2 + O = SO4 =>
S2 + 8 O = 2 SO4
Fe2O3 + NO3{-} + OH{-} = (FeO4)2{-} + NO2{-} + H2O =>
2 Fe2O3 + 9 NO3{-} + 2 OH{-} = 2(FeO4)2{-} + 9 NO2{-} + H2O
C2 + SnO2 = Sn + CO2 =>
C2 + 2 SnO2 = 2 Sn + 2 CO2
CH3COOH + Na2CO3 = CH3COONa2 + H2O + CO2 =>
9 CH3COOH + 8 Na2CO3 = 8 CH3COONa2 + 6 H2O + 10 CO2
Na2(O2)7 = Na2O7 + O2 =>
2 Na2(O2)7 = 2 Na2O7 + 7 O2
Zn(OH)2 + KOH = K2[Zn(OH)4] =>
Zn(OH)2 + 2 KOH = K2[Zn(OH)4]
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Fe(C5H5)2 + C4H6O3 = Fe(C12H12O) + CH3COOH =>
Fe(C5H5)2 + C4H6O3 = Fe(C12H12O) + CH3COOH
Pb(NO3)2 + TiO2 + C18H34O2 = PbTiO3 + CO2 + H2O + NO2 =>
51 Pb(NO3)2 + 51 TiO2 + C18H34O2 = 51 PbTiO3 + 18 CO2 + 17 H2O + 102 NO2
Cu(NH3)4(NO3)2 = Cu(NO)3 + N2 + NH3 + H2O =>
2 Cu(NH3)4(NO3)2 = 2 Cu(NO)3 + N2 + 4 NH3 + 6 H2O
Ag2SO4 + NH4Br = AgBr + (NH4)2SO4 =>
Ag2SO4 + 2 NH4Br = 2 AgBr + (NH4)2SO4
C2H4I2 + NaOH = C2H4(OH)2 + NaI =>
C2H4I2 + 2 NaOH = C2H4(OH)2 + 2 NaI
KBrO3 + HBr + H2SO4 = Br2 + K2SO4 + H2O =>
2 KBrO3 + 10 HBr + H2SO4 = 6 Br2 + K2SO4 + 6 H2O
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