What is the ratio of the number of molecules having speeds in the range of 2u_mp and 2u_mp + du to t — States of Matter and Gaseous State Chemistry Question
Question
What is the ratio of the number of molecules having speeds in the range of 2u_mp and 2u_mp + du to the number of molecules having speeds in the range of u_mp and u_mp + du?
Answer: A
💡 Solution & Explanation
Let the ratio be R = f(2 u_mp) / f(u_mp). Since f(C) ∝ C^2 e^(-C^2 / u_mp^2): R = [(2 u_mp)^2 e^(-4)] / [u_mp^2 e^(-1)] = 4 e^-3.
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