MDCAT Chemistry MCQ #4299

What is the root mean square speed of N2 molecules at 300 K?

MDCAT Chemistry MCQ #4299

  1. Question 1

    Q1. What is the root mean square speed of N2 molecules at 300 K?

    • A) 400 m/s
    • B) 516 m/s
    • C) 600 m/s
    • D) 800 m/s

    Answer: 516 m/s

    Explanation: urms = √(3RT/M) = 516 m/s for N2. Option A is too low due to incorrect calculation.