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The root mean square speed of gas molecules at 25 K and 1.5 × 10 5 Nm −2 is 100.5 ms −1 . If the temperature is raised to 100 K and the pressure to 6.0 × 10 5 Nm −2 , the root mean square speed becomes (A) 100.5 ms −1 (B) 201.0 ms −1 (C) 402.0 ms −1 (D) 1608.0 ms −1



The root mean square speed of gas molecules at 25 K and 1.5 × 105 Nm−2 is 100.5 ms−1. If the temperature is raised to 100 K and the pressure to 6.0 × 105 Nm−2, the root mean square speed becomes  


        (A)    100.5 ms−1


        (B)    201.0 ms−1


        (C)    402.0 ms−1


(D)    1608.0 ms−1


Grade:11

1 Answers

Radhika Batra
247 Points
7 years ago

Van der Waal equation is,

19_88598_a1.JPG

At high pressure, the pcorrection = negligible but volume correction cnnot        be regarded as negligible

 

        \ P(V−b) = RT or PV – Pb = RT

 

        or     PV = RT + Pb

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