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In a two level system, where the ground state has energy zero, and the other state...

In a two level system, where the ground state has energy zero, and the other state has energy +1.00 kcal/mol, 2/3 of the particles are found to be in the ground state. What can we say about the entropies of each of these two states? Can we find both exactly? Is there a relationship between them?

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