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Solved: The Chemistry in Action essay on p. 208 describes

Chapter 5, Problem 140P

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QUESTION:

The Chemistry in Action essay on p. 208 describes the cooling of rubidium vapor to \(1.7 \times 10^{-7}\ \mathrm{K}\). Calculate the root-mean-square speed and average kinetic energy of a Rb atom at this temperature.

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QUESTION:

The Chemistry in Action essay on p. 208 describes the cooling of rubidium vapor to \(1.7 \times 10^{-7}\ \mathrm{K}\). Calculate the root-mean-square speed and average kinetic energy of a Rb atom at this temperature.

ANSWER:

Step 1 of 3

Here we have to calculate the root-mean-square speed and average kinetic energy of a Rb atom at this temperature.

 

Given:

Temperature (T) =  

Molecular mass of Rb = 85.47 g/mol

 

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