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December 22, 2014

Homework Help: 12th grade physics

Posted by Enya on Monday, September 20, 2010 at 11:59am.

Helium is monatomic with a relative atomic mass of 4. calculate (i) the density of helium gas at a temperature of 0 degrees Celsius and a pressure of 101kPa and (ii) the rms speed of the helium atoms under these conditions

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