| Équations équilibrées la veille |
16 HCl + 4 K2Cr2O7 + 5 RbI = 8 CrCl + 5 RbIO4 + 8 KCl + 8 H2O
Cr(NO3)3 + H2SO4 + H2O2 = SO4CrO4 + HNO3 + H2O =>
2 Cr(NO3)3 + 2 H2SO4 + 7 H2O2 = 2 SO4CrO4 + 6 HNO3 + 6 H2O
NiCl2(aq) + NaOH(aq) = Ni(OH)2() + NaCl() =>
NiCl2(aq) + 2 NaOH(aq) = Ni(OH)2() + 2 NaCl()
NH + O3 = NO2 + H2O2 =>
2 NH + 2 O3 = 2 NO2 + H2O2
ClO{-} + SO2 + H2O = Cl{-} + SO4{-2} + H{+} =>
ClO{-} + SO2 + H2O = Cl{-} + SO4{-2} + 2 H{+}
Pb(s) + HgBr2(ac) = PbBr2 + Hg =>
Pb(s) + HgBr2(ac) = PbBr2 + Hg
CrI3 + KOH + Cl2 = K2CrO2 + KIO4 + KCl + H2O =>
2 CrI3 + 56 KOH + 23 Cl2 = 2 K2CrO2 + 6 KIO4 + 46 KCl + 28 H2O
C6H5COOH + Zn = H2 + Zn(C6H5COO)2 =>
2 C6H5COOH + Zn = H2 + Zn(C6H5COO)2
C(s) + H2 = CH4 =>
C(s) + 2 H2 = CH4
NH4VO3 + NaOH = NaVO3 + H2O + NH3 =>
NH4VO3 + NaOH = NaVO3 + H2O + NH3
Li2CO3 + CaCl2 = LiCl + CO3Ca =>
Li2CO3 + CaCl2 = 2 LiCl + CO3Ca
MnMg = Mg + Mn =>
MnMg = Mg + Mn
tellurousacid = telluriumdioxide + water =>
H2TeO3 = TeO2 + H2O
Bi(NO3)3*5H2O + Fe(NO3)3*9H2O + NaOH = BiFeO3 + NaNO3 + H2O =>
Bi(NO3)3*5H2O + Fe(NO3)3*9H2O + 6 NaOH = BiFeO3 + 6 NaNO3 + 17 H2O
K2SO3 = K2SO4 + K2S =>
4 K2SO3 = 3 K2SO4 + K2S
Cr2O3 + NaHCO3 + H2O = Na3[Cr(OH)6] + CO2 =>
Cr2O3 + 6 NaHCO3 + 3 H2O = 2 Na3[Cr(OH)6] + 6 CO2
Si2H6O = Si + H2 + O2 =>
2 Si2H6O = 4 Si + 6 H2 + O2
C2H3NaO2 + KCl = NaCl + CH3CO2K =>
C2H3NaO2 + KCl = NaCl + CH3CO2K
ZnCl2 + K4[Fe(CN)6] = Zn2[Fe(CN)6] + KCl =>
2 ZnCl2 + K4[Fe(CN)6] = Zn2[Fe(CN)6] + 4 KCl
Hg + HCl = H2 + HgCl2 =>
Hg + 2 HCl = H2 + HgCl2
Fe + AgNO3 = Fe(NO3)2 + Ag = =>
Fe + 2 AgNO3 = Fe(NO3)2 + 2 Ag
Na3N + O2 = Na2O + NO =>
4 Na3N + 5 O2 = 6 Na2O + 4 NO
FeCl3 + NH4SCN = NH4 + Cl + [Fe(SCN)]2 =>
2 FeCl3 + 2 NH4SCN = 2 NH4 + 6 Cl + [Fe(SCN)]2
CH3COOH + Ca(HCO3) = H2CO3 + CH3COOCa =>
CH3COOH + Ca(HCO3) = H2CO3 + CH3COOCa
HONa + C2H6O = C2H5ONa + H2O =>
HONa + C2H6O = C2H5ONa + H2O
C3H8O3 + CO2 = C2H4O2 + H2O =>
4 C3H8O3 + 2 CO2 = 7 C2H4O2 + 2 H2O
HClO2 + Sr3(AsO4)2 = Sr(ClO2)2 + H3AsO4 =>
6 HClO2 + Sr3(AsO4)2 = 3 Sr(ClO2)2 + 2 H3AsO4
CO(NH2)2 + H + H2O = HCO3 + NH4 =>
CO(NH2)2 + H + 2 H2O = HCO3 + 2 NH4
BaCl2 + KIO3 = Ba(IO3) + KCl2 =>
BaCl2 + KIO3 = Ba(IO3) + KCl2
NaF = Na3 + F3 =>
3 NaF = Na3 + F3
Hg + ClO3 = HgCl2 + O2 =>
Hg + 2 ClO3 = HgCl2 + 3 O2
Mg(HO)2 + H2Te = MgTe + H2O =>
Mg(HO)2 + H2Te = MgTe + 2 H2O
As03 + Zn + HNO3 = AsH3 + Zn(NO3)2 =>
2 As03 + 9 Zn + 18 HNO3 = 6 AsH3 + 9 Zn(NO3)2
CuCl2 + Cr = CrCl3 + Cu =>
3 CuCl2 + 2 Cr = 2 CrCl3 + 3 Cu
H2SO4 = H2 + O2 + SO3 =>
2 H2SO4 = 2 H2 + O2 + 2 SO3
C6H5COONa + CH3COOH = C6H5COOH + CH3COONa =>
C6H5COONa + CH3COOH = C6H5COOH + CH3COONa
CH3COOH + Cu = H2 + (CH3COO)2Cu =>
2 CH3COOH + Cu = H2 + (CH3COO)2Cu
NaPo4 + CoNo3 = NaNo3 + CoPo4 =>
NaPo4 + CoNo3 = NaNo3 + CoPo4
C6H5CH2OH + K2Cr2O7 + HCl = CrCl3 + KCl + C6H5COOH + H2O =>
3 C6H5CH2OH + 2 K2Cr2O7 + 16 HCl = 4 CrCl3 + 4 KCl + 3 C6H5COOH + 11 H2O
C4H6O3 + NH3 = C2ONH5 + H7NO2 =>
2 C4H6O3 + 5 NH3 = 4 C2ONH5 + H7NO2
HCHO2 + CaOH = CaCHO2 + H2O =>
HCHO2 + CaOH = CaCHO2 + H2O
Na2CO3(aq) + Fe(NO3)2(aq) = Na(NO3)(aq) + FeCO3(s) =>
Na2CO3(aq) + Fe(NO3)2(aq) = 2 Na(NO3)(aq) + FeCO3(s)
Mo(CO)4(C5H11N)2 + P(C6H5)3 = Mo(CO)4P(C6H5)3 + (C5H11N)2 =>
Mo(CO)4(C5H11N)2 + P(C6H5)3 = Mo(CO)4P(C6H5)3 + (C5H11N)2
C + HNO3 = CO2 + H2O + NO =>
3 C + 4 HNO3 = 3 CO2 + 2 H2O + 4 NO
HI(aq) = H2(g)I2(aq) =>
2 HI(aq) = H2(g)I2(aq)
CoCl2 + Na3PO4*12H2O = H2O + Co3(PO4)2*8H2O + NaCl =>
3 CoCl2 + 2 Na3PO4*12H2O = 16 H2O + Co3(PO4)2*8H2O + 6 NaCl
K3PO4(aq) + CuF2(aq) = KF(aq) + Cu3(PO4)2(s) =>
2 K3PO4(aq) + 3 CuF2(aq) = 6 KF(aq) + Cu3(PO4)2(s)
HOBr + Ba(OH)2 = H2O + Ba(BrO)2 =>
2 HOBr + Ba(OH)2 = 2 H2O + Ba(BrO)2
CH5OH + HNO3 = CO2 + H2O + NO2 =>
CH5OH + 8 HNO3 = CO2 + 7 H2O + 8 NO2
SO4 + MgO2 = MgSO4 + O2 =>
SO4 + MgO2 = MgSO4 + O2
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