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There are two important isotopes of uranium — 235 U and 238 U; these isotopes are nearly identical chemically but have different atomic masses. Only 235 U is very useful in nuclear reactors. One of the techniques for separating them (gas diffusion) is based on the different average velocities v of uranium hexafluoride gas, UF6 rms (a) The molecular masses for 235 U-UF, and 238 U-UF are 349 g/mol and 352 g/mol, respectively. What is the ratio of their average velocities? Express the ratio 5 significant figures. Ratio, V. 235 238 (b) At what temperature would their average velocities differ by 1 m/s? Temperature: K Do your answers in this problem imply that this technique may be difficult? Reflect on why or why not.

There are two important isotopes of uranium — 235 U and 238 U; these isotopes are nearly identical chemically but have different atomic masses. Only 235 U is very useful in nuclear reactors. One of the techniques for separating them (gas diffusion) is based on the different average velocities v of uranium hexafluoride gas, UF6 rms (a) The molecular masses for 235 U-UF, and 238 U-UF are 349 g/mol and 352 g/mol, respectively. What is the ratio of their average velocities? Express the ratio 5 significant figures. Ratio, V. 235 238 (b) At what temperature would their average velocities differ by 1 m/s? Temperature: K Do your answers in this problem imply that this technique may be difficult? Reflect on why or why not.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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There are two important isotopes of uranium — 235 U and 238 U; these isotopes are nearly identical chemically but have different atomic masses. Only 235 U is very useful in nuclear reactors. One of the techniques for separating them (gas diffusion) is based on the different average velocities v of uranium hexafluoride gas, UF6 rms (a) The molecular masses for 235 U-UF, and 238 U-UF are 349 g/mol and 352 g/mol, respectively. What is the ratio of their average velocities? Express the ratio 5 significant figures. Ratio, V. 235 238 (b) At what temperature would their average velocities differ by 1 m/s? Temperature: K Do your answers in this problem imply that this technique may be difficult? Reflect on why or why not.
Transcribed Image Text:There are two important isotopes of uranium — 235 U and 238 U; these isotopes are nearly identical chemically but have different atomic masses. Only 235 U is very useful in nuclear reactors. One of the techniques for separating them (gas diffusion) is based on the different average velocities v of uranium hexafluoride gas, UF6 rms (a) The molecular masses for 235 U-UF, and 238 U-UF are 349 g/mol and 352 g/mol, respectively. What is the ratio of their average velocities? Express the ratio 5 significant figures. Ratio, V. 235 238 (b) At what temperature would their average velocities differ by 1 m/s? Temperature: K Do your answers in this problem imply that this technique may be difficult? Reflect on why or why not.
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