How much electric potential energy was lost in this reaction (in units of eV)?

Many chemical reactions release energy. Suppose that at the beginning of a reaction, an electron and proton are separated by 0.115nm , and their final separation is 0.105nm. How much electric potential energy was lost in this reaction (in units of eV)? *Please show your work, im on my last submission and i do not want to get it wrong. thank you*

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