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deaishaajennings123
20.08.2020 •
Physics
From what height must an oxygen molecule fall in a vacuum so that its kinetic energy at the bottom equals the average energy of an oxygen molecule at 300 K ?
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Ответ:
The value is![h = 11930 \ m](/tpl/images/0725/8438/74dd5.png)
Explanation:
From the question we are told that
The temperature is![T = 300 \ K](/tpl/images/0725/8438/a7c75.png)
Generally the root mean square speed of the oxygen molecules is mathematically represented as
Here R is the gas constant with a value![R = 8.314 \ J\cdot K^{-1} \cdot \ mol^{-1}](/tpl/images/0725/8438/65407.png)
M is the molar mass of oxygen molecule with value![M = 0.032 \ kg /mol](/tpl/images/0725/8438/601c8.png)
So
=>![h = 11930 \ m](/tpl/images/0725/8438/74dd5.png)
Ответ: