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April 18, 2014

Homework Help: chemistry

Posted by ... on Wednesday, November 14, 2012 at 5:51pm.

Consider the conditions listed in the table below.

Gas


Temperature


Pressure

H2


100 oC


1 atm

CH4


100 oC


20 atm

O2


373 K


1 atm

CO2


373 K


10 atm

Which describes the characteristics of these samples?

I. All molecules have the same kinetic energy

II. The hydrogen molecules have the greatest average molecular velocity

III. The carbon dioxide molecules travel the shortest distances between collisions.

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