# Calculating Fractions of Atoms

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The lowest electronic states of Na(g) are tabulated below. At a temperature of 1640K A) What is the value of the electronic partition function? B) Calculate the fraction of atoms in the state i=3. Include degeneracy.

Na(g) Electronic States

Term symbol Energy/cm^-1 Degeneracy

2S1/2 0 2

2P1/2 16956.183 2

2P3/2 16973.379 4

2S1/2 25739.86 2.

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#### Solution Preview

The partition function is defined as Q = SUMi gi exp(-ei / kT)

Where gi is the degeneracy factor, which describes how often the i-th energy level ei occurs, k is the Boltzmann constant and ...

#### Solution Summary

Solution breaks down formulas and explains how to solve each step.

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