Last Updated On [03-11-2023]
A 25 × 
volume cylinder is filled with 1 mol of O2 gas at room temperature (300K).The molecule diameter of O2, and its root mean square speed, are found to be 0.3nm and 200m/s, respectively .What is the average collision rate (per second)for an O2 molecule?
(a)
(b)
(c)
(d)
A 25 × volume cylinder is filled with 1 mol of O2 gas at room temperature (300K).The molecule diameter of O2, and its root mean square speed, are found to be 0.3nm and 200m/s, respectively .What is the average collision rate (per second)for an O2 molecule?
(a)
(b)
(c)
(d)
Question ID - 51331 :-
A 25 × volume cylinder is filled with 1 mol of O2 gas at room temperature (300K).The molecule diameter of O2, and its root mean square speed, are found to be 0.3nm and 200m/s, respectively .What is the average collision rate (per second)for an O2 molecule?
(a)
(b)
(c)
(d)
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A 25 × |
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(b) |
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(c) |
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(d) |
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V= 25 
, N=1 mole of O2
T=300K
Vrms =200 m/s
Average time 
=
=200 N
.
=
×0.09
Average no. of collisions = 
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Two radioactive materials A and B have decay constants 10 |
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respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei, of A to that of B will be 1/e after a time :
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