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13 December, 17:49

For a single H2 molecule, H2 → 2H, the dissociation energy is 4.52 eV. How much energy would have to be put in (in kJ) to dissociate a mole of hydrogen molecules?

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  1. 13 December, 18:14
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    Answer: 7.2418 x 10^-19 joules

    Explanation:

    1 eV equals 1.602 x 10^-19 joules

    Then 4.52eV will be multiplied by the above value to give 7.2418 x 10^-19 joules which is the energy required to dissociate the hydrogen molecule
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