Use the accurate expression for the rotational partition function calculated in Problem 15B.6 for HCl(g) to calculate

Question:

Use the accurate expression for the rotational partition function calculated in Problem 15B.6 for HCl(g) to calculate the rotational contribution to the molar entropy over a range of temperature and plot the contribution as a function of temperature.


Data in Problem 15B.6

The pure rotational microwave spectrum of HCl has absorption lines at the following wavenumbers (incm−1): 21.19, 42.37, 63.56, 84.75, 105.93, 127.12, 148.31, 169.49, 190.68, 211.87, 233.06, 254.24, 275.43, 296.62, 317.80, 338.99, 360.18, 381.36, 402.55, 423.74, 444.92, 466.11, 487.30, 508.48. Calculate the rotational partition function at 25 °C by direct summation.

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