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15 ग्राम गैस का आयतन 3 वायुमंडल दाब पर 12.5 लीटर है | गैस अणुओं की औसत चाल की गणना कीजिए |

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15 ग्राम गैस का आयतन 3 वायुमंडल दाब पर 12.5 लीटर है | गैस अणुओं की औसत चाल की गणना कीजिए |
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गैस समीकरण से, `PV = (w)/(m) = RT`
` 3xx 12.5 = (15)/(m) xx 0.0821 xx T`
`therefore " " (T)/(m) = 30.45`
अब, `u_(AV) = sqrt([(8RT)/(pim)]) = sqrt([( 8 xx 8.314 xx 10^(7) xx 30.45)/(3.14)])`
` = 8.03 xx 10^(4)` सेमी/सेकण्ड
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