first and second ionisation potential of helium atoms are 24.58 eV and 54.4 eV respectively. Calculate the energy in kJ required to produce 1 mole of He2+ ions.
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Answer:
24.6eV
Explanation:
Ionisation energy, E=eV
=1.6×10
−19
×24.6 J
=24.6 eV
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