You have two balloons in the same room, one filled with N2 , the other filled wi

Question

You have two balloons in the same room, one filled with N2 , the other filled with Ne. They both have the same mass of gas.

1. Which balloon exhibits the greater density?

a) N2 b) Ne c) Both the same d) Insufficient information.

2. In which balloon are the molecules moving at a lowest average velocity?

a) N2 b) Ne c) Both the same d) Insufficient information.

3. Which balloon exhibits the greater number of molecular collisions with the balloon walls per unit time?

a) N2 b) Ne c) Both the same d) Insufficient information.

answer questions and explain

Explanation / Answer

1. density= M/V ,
mass is same.
no. of moles of Ne > no of moles of N2 ( MW of N2 is higher),
volume of Ne > Volume of N2 ,
hence,
density of N2 is higher.

2.Speed of lighter gas will be higher,

so,
Ne (avg speeed)> N2(Avg speed)

3. for same room condition ,
T is same for both .
so ,
KE must be same .
so ,
no of collisions must be same.

Related Questions

Navigate

• Browse (All)
• Browse Y
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.