Find the temperature at which most probable speed of He gas has the same value of root mean square speed of O₂ molecule at 300 K.

वह ताप ज्ञात कीजिए जिस पर He गैस की प्रायिकता चाल का मान 300 K पर O₂ अणु के वर्ग माध्य मूल चाल के मान के समान है।

56.25ºC

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56.25 K

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900 K

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300 K

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Solution

The correct option is B 56.25 K
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Q. Calculate the temperature at which the root mean square speed of SO₂ molecules is same as that of oxygen at 37°C.

उस ताप की गणना कीजिए जिस पर SO₂ अणुओं की वर्ग माध्य मूल चाल 37°C पर ऑक्सीजन की वर्ग माध्य मूल चाल के समान है।

Q. At

S T P

the order of mean square velocity of molecules of

H_{2}, N_{2}, O_{2}

and

H B r

is-

Gases posses charcteristic critical temperature which depends upo the magnitude of intermolecular forces between the particles. Following are the critical temperatures of some gases.

$\begin{matrix} G a s e s & H_{2} & H e & O_{2} & N_{2} C r i t i c a l t e m p e r a t u r e i n K e l v i n & 33.2 & 5.3 & 154.3 & 126 \end{matrix}$