Speed Distribution of Ideal Gasses Video Lessons

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Problem: Suppose you could suddenly increase the speed of every molecule in a gas by a factor of 2. A. Would the rms speed of the molecules increase by a factor of 21/2, 2, or 22? Explain.B. Would the gas pressure increase by a factor of 21/2, 2, or 22? Explain.

FREE Expert Solution

The ratio of final rms speed to the initial rms speed is expressed as:

vfrmsv0rms=[(vf)2]avg(v02)avg

The pressure is expressed as:

P=13MVv0rms2

A.

The final rms speed is increased by a factor of 2.

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Problem Details

Suppose you could suddenly increase the speed of every molecule in a gas by a factor of 2. 

A. Would the rms speed of the molecules increase by a factor of 21/2, 2, or 22? Explain.

B. Would the gas pressure increase by a factor of 21/2, 2, or 22? Explain.

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