Question

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) ~10¹⁰ (B) ~10¹¹
(C) ~10¹² (D) ~10¹³

Answer 1

Answer:

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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) ~10¹⁰ ✔(B) ~10¹¹

(C) ~10¹² (D) ~10¹³

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Answer 2

ANSWER:

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?

THERE RIGHT ANSWER IS

OPTION (A)

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