Iodine molecules separates into atoms after absorbing light of 450 nm. If one

quantum of radiation of such light is absorbed by each molecule, calculate the kinetic

energy of the iodine atoms if the bonding energy is 3.984x10-19 J.

Question

Physics

Victoria Ramos

15 March, 06:06

Iodine molecules separates into atoms after absorbing light of 450 nm. If one

quantum of radiation of such light is absorbed by each molecule, calculate the kinetic

energy of the iodine atoms if the bonding energy is 3.984x10-19 J.

+4

Answers (1)

Know the Answer?

Whitaker · Answer 1

Answer:E = hc/? = 4.41 x 10-19 J

Energy absorbed by each atom:

E (atom) = 2.205 x 10-19 J

Now Bond Energy of each molecule (B) = 3.98 x J

So, for each atom 1.99 x 10-19 J

So now

KE of each atom = E (atom) - B (atom)

= 2.15 x 10-19 J

Iodine molecules separates into atoms after absorbing light of 450 nm. If onequantum of radiation of such light is absorbed by each molecule, calculate the kineticenergy of the iodine atoms if the bonding energy is 3.984x10-19 J.

Iodine molecules separates into atoms after absorbing light of 450 nm. If one

quantum of radiation of such light is absorbed by each molecule, calculate the kinetic

energy of the iodine atoms if the bonding energy is 3.984x10-19 J.