Chapter 11 - Chapter 11 Properties of Gases at the...

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Unformatted text preview: Chapter 11 Properties of Gases at the molecular level Air doesnt have much volume, low density- You can wave your hand through it with little resistance- Air in a bottle has little weight, when submerged in water, bobs to surface- Gas can be compressed, pushing air into a tire- Gas exerts pressure; inflating a balloon- Pressure of gas depends on how much in confined- Gases completely fill containers- Gases mix freely and quickly with each other- As temperature increases, pressure of gas increases- There is a lot of space between gas molecules allows for compression- Gas moves rapidly and collides, more gas higher higher pressure. Pressure is a measured property of gases Pressure = force/area force per area unit Force weight Pressure force per area unit, increase area decrease pressure Pressure of atmosphere is measured with a barometer Molecules in air collide with objects the air contacts produces atmospheric pressure Atmospheric pressure reacts equally in all directions...
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This note was uploaded on 05/08/2008 for the course CHE 1120 taught by Professor Brown during the Spring '08 term at St. Johns Duplicate.

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Chapter 11 - Chapter 11 Properties of Gases at the...

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