| Équations équilibrées la veille |
N2O5 + 2 NH4OH = 2 NH4NO3 + H2O
Sr(NO3)2 + Fe(NO3)3 + (NH4)2MoO4 + Mg(NO3)2 + C6H8O7 = Sr6Fe3Mo2MgO18 + CO2 + N + H2O =>
18 Sr(NO3)2 + 9 Fe(NO3)3 + 6(NH4)2MoO4 + 3 Mg(NO3)2 + 17 C6H8O7 = 3 Sr6Fe3Mo2MgO18 + 102 CO2 + 81 N + 92 H2O
Na + Fe2O3 = Fe + NaO3 =>
Na + Fe2O3 = 2 Fe + NaO3
KCl + NaCo = KCo + NaCl =>
KCl + NaCo = KCo + NaCl
Mn{+2} + Li{+} = Mn{+7} + Li =>
Mn{+2} + 5 Li{+} = Mn{+7} + 5 Li
LiC3H2O3 + CaO = Ca(C3H2O3)2 + Li2O =>
2 LiC3H2O3 + CaO = Ca(C3H2O3)2 + Li2O
KHCO3 + HClO2 = KClO2 + HHCO3 =>
KHCO3 + HClO2 = KClO2 + HHCO3
Ca{2+} + EDTA{4-} = Ca2EDTA =>
2 Ca{2+} + EDTA{4-} = Ca2EDTA
CH3COONa + FeCl3 + H2O = [Fe3(OH)2(CH3COO)6]Cl + NaCl + CH3COOH =>
8 CH3COONa + 3 FeCl3 + 2 H2O = [Fe3(OH)2(CH3COO)6]Cl + 8 NaCl + 2 CH3COOH
Al4(SiO4)3 + Ni2S3 = Ni4(SiO4)3 + Al2S3 =>
Al4(SiO4)3 + 2 Ni2S3 = Ni4(SiO4)3 + 2 Al2S3
Fe2(s) + CuSO4(aq) = Cu(s) + FeSO4(aq) =>
Fe2(s) + 2 CuSO4(aq) = 2 Cu(s) + 2 FeSO4(aq)
Cs2C + Al3 = Cs3Al + C2 =>
18 Cs2C + 4 Al3 = 12 Cs3Al + 9 C2
NaVO3 + KJ + H2SO4 = K2SO4 + J2 + Na2SO4 + (VO)2SO4 + H2O =>
2 NaVO3 + 4 KJ + 4 H2SO4 = 2 K2SO4 + 2 J2 + Na2SO4 + (VO)2SO4 + 4 H2O
C6H6 + HCHO = C6H5CHO + H2 =>
C6H6 + HCHO = C6H5CHO + H2
CsCl + ICl3 = Cs[ICl4] =>
CsCl + ICl3 = Cs[ICl4]
H2I + H2SO4 = I2 + SO2 + H2O =>
2 H2I + 2 H2SO4 = I2 + 2 SO2 + 4 H2O
Fe2O3 + Al = AlO2O3 + Fe =>
5 Fe2O3 + 3 Al = 3 AlO2O3 + 10 Fe
C3H8 + O2 = CO2 + H2O = =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH4 + Ba(OH)2 = NH4OH + Ba =>
2 NH4 + Ba(OH)2 = 2 NH4OH + Ba
AuCl = AuCl3 + Au =>
3 AuCl = AuCl3 + 2 Au
Ca(NO3)2Ca(NO3)2 + Fe3(PO4)2 = Ca3(PO4)2Ca3(PO4)2 + Fe(NO3)2Fe(NO3)2 =>
3 Ca(NO3)2Ca(NO3)2 + 2 Fe3(PO4)2 = Ca3(PO4)2Ca3(PO4)2 + 3 Fe(NO3)2Fe(NO3)2
KCl + HgNO3 = KNO3 + HgCl =>
KCl + HgNO3 = KNO3 + HgCl
Al + FeN = AlN + Fe =>
Al + FeN = AlN + Fe
HCl + NaCl = Cl2 + HNa =>
HCl + NaCl = Cl2 + HNa
CdC2O4 = Cd + C2O4 =>
CdC2O4 = Cd + C2O4
FeAsS + O2 = FeAsO4 + SO2 =>
FeAsS + 3 O2 = FeAsO4 + SO2
C10H21NH2 + O2 = CO2 + H2O + N2 =>
4 C10H21NH2 + 63 O2 = 40 CO2 + 46 H2O + 2 N2
Cl2 + Al2I3 = AlCl3 + I2 =>
6 Cl2 + 2 Al2I3 = 4 AlCl3 + 3 I2
Na + Fe2O3 = Fe + NaO3 =>
Na + Fe2O3 = 2 Fe + NaO3
Ba(OH)2 + Na3(PO4) = Na(OH) + Ba3(PO4)2 =>
3 Ba(OH)2 + 2 Na3(PO4) = 6 Na(OH) + Ba3(PO4)2
KNO2 + HClO4 = KClO4 + HNO3 + Cl2 + H2O =>
7 KNO2 + 9 HClO4 = 7 KClO4 + 7 HNO3 + Cl2 + H2O
KCl + Ag(NO2) = K(NO2) + AgCl =>
KCl + Ag(NO2) = K(NO2) + AgCl
Zn(CH3COO)2 + H2SO4 = ZnSO4 + CH3COOH =>
Zn(CH3COO)2 + H2SO4 = ZnSO4 + 2 CH3COOH
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
KCr(OH)4 + HCl = CrCl3 + KCl + H2O =>
KCr(OH)4 + 4 HCl = CrCl3 + KCl + 4 H2O
CHCH + CuCl + NH3 = CHCCu + NH4Cl =>
CHCH + CuCl + NH3 = CHCCu + NH4Cl
S8(s) + Cl2(g) = SCl2(s) =>
S8(s) + 8 Cl2(g) = 8 SCl2(s)
C2H5OH(aq) + Na2Cr2O7(aq) + H2SO4(aq) = HC2H3O2(aq) + Cr2(SO4)3(aq) + Na2SO4(aq) + H2O =>
3 C2H5OH(aq) + 2 Na2Cr2O7(aq) + 8 H2SO4(aq) = 3 HC2H3O2(aq) + 2 Cr2(SO4)3(aq) + 2 Na2SO4(aq) + 11 H2O
HCl(g) + Na(s) = H2(aq) + NaCl(s) =>
2 HCl(g) + 2 Na(s) = H2(aq) + 2 NaCl(s)
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
NiCl2 + Co(NO3)2 = Ni(NO3)2 + CoCl2 =>
NiCl2 + Co(NO3)2 = Ni(NO3)2 + CoCl2
Li2Co3 + O2 = Li2O + Co2 =>
2 Li2Co3 + O2 = 2 Li2O + 3 Co2
C4H9NO2 + NaOH = C2H4NNaO2 + C2H6O =>
C4H9NO2 + NaOH = C2H4NNaO2 + C2H6O
Y2O3 + CeO2 = Y2Ce2O7 =>
Y2O3 + 2 CeO2 = Y2Ce2O7
SmF2 + NaOH + H2O = Sm(OH)3 + NaF + H2 =>
2 SmF2 + 4 NaOH + 2 H2O = 2 Sm(OH)3 + 4 NaF + H2
Na + Fe2O3 = Fe + NaO3 =>
Na + Fe2O3 = 2 Fe + NaO3
H2CO + O = CO2 + H2O =>
H2CO + 2 O = CO2 + H2O
Ca(ClO)2 + C5H5O5CH2ONa = C5H3O5CH2OH + NaCl + Ca(OH)2 =>
Ca(ClO)2 + 2 C5H5O5CH2ONa = 2 C5H3O5CH2OH + 2 NaCl + Ca(OH)2
Cr{+3} + (S2O8){-2} + H2O = (Cr2O7){-2} + (SO4){-2} + H{+} =>
2 Cr{+3} + 3(S2O8){-2} + 7 H2O = (Cr2O7){-2} + 6(SO4){-2} + 14 H{+}
K3N + Ca = Ca3N2 + K =>
2 K3N + 3 Ca = Ca3N2 + 6 K
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