Q.
The average translational energy and the rms speed of molecules of a sample of oxygen gas at 300 K are 6.21×10−21J and 484 ms-1 respectively. The corresponding values at 600 K are nearly (assuming ideal gas behaviour)
see full answer
Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!
Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya
a
12.42×10−21J,968ms−1
b
8.78×10−21J,684ms−1
c
6.21×10−21J,968ms−1
d
12.42×10−21J,684ms−1
answer is D.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
E∝T and vrms∝T. Hence at 600 K,E2E1=T2T1⇒E=6.21×10−21×600300 =12.42×10−21Jand v2v1=T2T1 vrms=484×600300≃684ms−1which is choice (d).
Watch 3-min video & get full concept clarity