(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A small material has quantum oscillator energy levels 2E-23 J apart. Suppose the material has a total energy of 34E-23 J and contains 5 atoms. Find the entropy of the material.

2. Relevant equations

Entropy = (Boltzmann's constant)*ln(multiplicity)

Multiplicity = (q + N - 1)!/[q!(N-1)!]

3. The attempt at a solution

I'm having trouble grasping the question. The 5 atoms are understood, but I'm having trouble finding the "N" for the multiplicity equation.

So, I came up with N = 18, because the total energy is 34E-23 J and the energy levels are 2E-23 J apart, and q = 5.

Then applying the multiplicity equation and plugging it to entropy, I didn't get the correct answer.

Am I on the correct path to find N, or do I even need the multiplicity equation?

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# Homework Help: Entropy of a quantum sized material

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