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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