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September 20, 2014

Homework Help: Chemistry

Posted by Bria on Sunday, February 19, 2012 at 8:43pm.

You have two gas-filled balloons, one containing He and the other H2. The H2 balloon is twice the size of the He balloon (let the He balloon have a volume of 1 -L and the H2 balloon. a volume of 2 L). The pressure of gas in the H2 balloon is 1 atm while that in the He balloon is 2 atm. The H2 balloon is outside in the snow (-1.11oC) while the He balloon is inside a warm building (21.1oC).

a) Which balloon contains the greater number of molecules? Show calculation.

b) Which balloon contains the greater mass of gas? Show calculation.

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