Question

→ M4+ Total number of enthalpy(s) (out of given nine) of M(g) which is/ are not associated with conversion of M. (g) (g) I.E. 1,1.E.2,1.E.3,1.E.4,1.E.5,1.E.6,EGE. 1, EGE.2,EG (1. E. =ionization energy, EGE=electron gain enthalpy)​

Answer 1

Answer:

Explanation:

The energy required to convert one Mg atom to Mg  

2+

 ion is the sum of first and second ionization potentials =  7.646+15.035=22.681eV

                           =96.5×22.681=2188.7kJ/mol

The atomic mass of Mg is 24 g/mol.

12 mg of Mg corresponds to 0.5 mmoles.

The amount of energy required to convert 0.5 mmol of Mg atoms to Mg  

2+

 ions = 0.5×10  

−3

×2188.7=1.1kJ

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