(a) Use the value of the van der Waals constant b for CH 4 (g), given in...

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(a) Use the value of the van der Waals constant b for CH4(g), given in Table 6.5, to estimate the radius of the CH4 molecule. (See Exercise 89.) How does your estimate of the radius compare with the value r = 228 pm, obtained experimentally from an analysis of the structure of solid methane? 

(b) The density of CH4(g) is 66.02 g mL-1 at 100 bar and 325 K. What is the value of the compressibility factor at this temperature and pressure?

Exercise 89

Use the value of the van der Waals constant b for He(g) given in Table 6.5, to estimate the radius, r, of a single helium atom. Give your answer in picometers.

Table 6.5

TABLE 6.5 van der Waals Constants and Compressibility Factors (at 10 bar and 300 K) for Various Gases van der

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General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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