A metal surface is known to have a work function of 7.75 eV. If an electron was emitted from the surface of the metal at a speed of 5.45X106 m/s, what was the wavelength, in nm, of the photon used?

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Explanation:

yes

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.

answeridentity;