| Équations équilibrées la veille |
7 C2H6 + 17 O7 = 14 CO7 + 21 H2O
NH4NO3 + Cu = Cu(NO3)2 + N2 + H2O =>
6 NH4NO3 + Cu = Cu(NO3)2 + 5 N2 + 12 H2O
CH3CHO + CH3COOH = CH3COOCH3 =>
2 CH3CHO + CH3COOH = 2 CH3COOCH3
CaCl2 + Na(NO3) = Ca(NO3) + NaCl2 =>
CaCl2 + Na(NO3) = Ca(NO3) + NaCl2
FeO(s) + HClO4(ac) = H2O(l) + Fe(ClO4)2(ac) =>
FeO(s) + 2 HClO4(ac) = H2O(l) + Fe(ClO4)2(ac)
Na{+} + O{2-} = Na2O(s) =>
2 Na{+} + O{2-} = Na2O(s)
Br + P = PBr3 =>
3 Br + P = PBr3
CH2OOH + H2O = CH3OOH + OH =>
CH2OOH + H2O = CH3OOH + OH
Cu2S + HNO3 = Cu(NO3)2 + NO2 + H2O + SO2 =>
Cu2S + 12 HNO3 = 2 Cu(NO3)2 + 8 NO2 + 6 H2O + SO2
Al(No3)3 + NaCl = AlCl3 + NaNo3 =>
Al(No3)3 + 3 NaCl = AlCl3 + 3 NaNo3
HCa3P2 + KMnO4 + H2SO4 = Ca3(PO4)2 + MnSO4 + K2SO4 + H2O =>
10 HCa3P2 + 34 KMnO4 + 51 H2SO4 = 10 Ca3(PO4)2 + 34 MnSO4 + 17 K2SO4 + 56 H2O
Ag2O + Ni = Ni2O + Ag =>
Ag2O + 2 Ni = Ni2O + 2 Ag
CuSO4NH4 = CuNH4SO4 =>
CuSO4NH4 = CuNH4SO4
MgO2 + H2O = MgO3H2 =>
MgO2 + H2O = MgO3H2
Co(NO3)2 + NH3 + HCl = NH4NO3 + [Co(NH3)5Cl]Cl2 + (NH4) =>
Co(NO3)2 + 8 NH3 + 3 HCl = 2 NH4NO3 + [Co(NH3)5Cl]Cl2 + (NH4)
Cu3Al2 + HNO3 = H2 + Al(NO3)3 + Cu =>
Cu3Al2 + 6 HNO3 = 3 H2 + 2 Al(NO3)3 + 3 Cu
C8H22N2Si + O3 = SiO2 + CH4 + NH3 + CO2 =>
3 C8H22N2Si + 10 O3 = 3 SiO2 + 12 CH4 + 6 NH3 + 12 CO2
S + F2 + Cl2 = SF5Cl =>
2 S + 5 F2 + Cl2 = 2 SF5Cl
Cl({-}) + Cr2O7({-}2) + H{+} = Cl2 + Cr({-}3) + H2O =>
30 Cl({-}) + 2 Cr2O7({-}2) + 28 H{+} = 15 Cl2 + 4 Cr({-}3) + 14 H2O
Li2S + O2 = Li2SO4 =>
Li2S + 2 O2 = Li2SO4
CoBr2 + Ni(C2H3O2) = Co(C2H3O2) + NiBr2 =>
CoBr2 + Ni(C2H3O2) = Co(C2H3O2) + NiBr2
BaCl2(aq) + KIO3(aq) = Ba(IO3)2 + KCl =>
BaCl2(aq) + 2 KIO3(aq) = Ba(IO3)2 + 2 KCl
F2(g) + KBr(aq) = Br2(l) + KF(aq) =>
F2(g) + 2 KBr(aq) = Br2(l) + 2 KF(aq)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
PbNO3 + Na2SO3 = PbSO3 + Na2NO3 =>
PbNO3 + Na2SO3 = PbSO3 + Na2NO3
Fe + HO4S = Fe2(SO4)3 + H =>
2 Fe + 3 HO4S = Fe2(SO4)3 + 3 H
CH3CH2NH2 + CH3CH2Br = CH3CH2NHCH2CH3 + NH4Br =>
3 CH3CH2NH2 + CH3CH2Br = 2 CH3CH2NHCH2CH3 + NH4Br
Ni(s) + AlBr3(aq) = NiAl + Br =>
Ni(s) + AlBr3(aq) = NiAl + 3 Br
HCl + (NH4)2HPO4 = NH4Cl + H3PO4 =>
2 HCl + (NH4)2HPO4 = 2 NH4Cl + H3PO4
Pb + H2SO4 = PbSO42 + H2O + SO2 =>
Pb + 40 H2SO4 = PbSO42 + 40 H2O + 39 SO2
HCl + (NH4)2HPO4 = NH4Cl + H3PO4 =>
2 HCl + (NH4)2HPO4 = 2 NH4Cl + H3PO4
NaSCN + KMnO4 + H2SO4 = K2SO4 + MnSO4 + HCN + H2O + Na2SO4 =>
10 NaSCN + 12 KMnO4 + 13 H2SO4 = 6 K2SO4 + 12 MnSO4 + 10 HCN + 8 H2O + 5 Na2SO4
Fe2S3 + I2 = FeI2 + S =>
Fe2S3 + 2 I2 = 2 FeI2 + 3 S
BeSO4 + NaOH = Na[Be(OH)3] + Na2SO4 =>
BeSO4 + 3 NaOH = Na[Be(OH)3] + Na2SO4
BaCl2 + Na2SO4 = BaCl2Na2SO4 =>
BaCl2 + Na2SO4 = BaCl2Na2SO4
H2SiO3 + NaOH = NaHSiO3 + H2O =>
H2SiO3 + NaOH = NaHSiO3 + H2O
Na3PO4 + Ca(CH3COO)2 = Ca3(PO4)2 + Na(CH3COO) =>
2 Na3PO4 + 3 Ca(CH3COO)2 = Ca3(PO4)2 + 6 Na(CH3COO)
AlH3 + HCl = AlCl3 + H2 =>
AlH3 + 3 HCl = AlCl3 + 3 H2
AgNo3 = Ag + (No3)2 =>
2 AgNo3 = 2 Ag + (No3)2
C70H142 + O2 = CO2 + H2O =>
2 C70H142 + 211 O2 = 140 CO2 + 142 H2O
Mg + HOH(l) = Mg(OH)2 + H2 =>
Mg + 2 HOH(l) = Mg(OH)2 + H2
H2SO4 + Li = LiSO4 + H2 =>
H2SO4 + Li = LiSO4 + H2
H3BO3 + C6H14O6 = H3BO3*C6H14O6 =>
H3BO3 + C6H14O6 = H3BO3*C6H14O6
Br + F = BrF3 =>
Br + 3 F = BrF3
NH4NO3 + C3H8O3 = CO2 + H2O + N2 =>
7 NH4NO3 + C3H8O3 = 3 CO2 + 18 H2O + 7 N2
H3N + CO2 = H4N2CO + H2O =>
2 H3N + CO2 = H4N2CO + H2O
C2H4O2 + NH3 = C8H14O3N2 + H2O + CO2 =>
17 C2H4O2 + 8 NH3 = 4 C8H14O3N2 + 18 H2O + 2 CO2
Cu(SO4)2 + NaCl = CuCl + Na(SO4)2 =>
Cu(SO4)2 + NaCl = CuCl + Na(SO4)2
Fe2Si2O6 + O2 + H2O = Fe3O2 + H2SiO7 =>
3 Fe2Si2O6 + 11 O2 + 6 H2O = 2 Fe3O2 + 6 H2SiO7
Mg + HC2 = MgC2 + H2 =>
2 Mg + 2 HC2 = 2 MgC2 + H2
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