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1. Gases Chapter 5
2. Properties of Gases Gases form homogeneous mixtures
Gases are compressible
All gases have low densities
air 0.0013 g/mL
water 1.00 g/mL
iron 7.9 g/mL
Gases expand to fill their containers uniformly
A gas exerts a pressure
3. Pressure Defined as force per unit area