A 25 × 10-3 m3 volume cylinder is filled with 1 mol of O2 gas at room – McqOptions

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1.	A 25 × 10-3 m3 volume cylinder is filled with 1 mol of O2 gas at room temperature (300 K). The molecular diameter of O2, and its root mean square speed, are found to be 0.3 nm and 200 m/s, respectively. What is the average collision rate (per second) for an O2 molecule?
A.	~1012
B.	~1011
C.	~1010
D.	~1013
Answer» E.

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