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July 7, 2015

Homework Help: Science-Chemistry

Posted by Bryan on Sunday, April 29, 2012 at 3:36pm.

1.)A sample of oxygen took 55 seconds to travel a certain distance. How long would it take for the same number of moles of nitrogen to travel the same distance.
2.) A sample of hydrogen gas traveled 45m in a given amount of time. An unknown gas traveled 7.6m in the same amount of time. What is the formula mass of the unknown gas?

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