Two Ideal Gases,X and Y,are Thoroughly Mixed and at Thermal

question 28

Multiple Choice

Two ideal gases,X and Y,are thoroughly mixed and at thermal equilibrium in a single container.The molecular mass of X is 9 times that of Y.What is the ratio of root-mean-square velocities of the two gases,v_X,rms /v_Y,rms?

• A)9/1
• B)3/1
• C)1/3
• D)1/9

---

Definitions:

The United States

A country in North America comprising 50 states, characterized by a federal form of government and known for its economic and military power.

The Former Soviet Union

A term referring to the socialist state that existed from 1922 to 1991, comprising Russia and several other republics.

Personal Savings

The portion of an individual's income that is not spent on consumption or taxes and is instead retained for future use or investment.

United States

A country located in North America, consisting of 50 states, a federal district, five major self-governing territories, and various possessions.