Did the mass of the flask and the air inside change? (i.e. is there a difference between M1 and M3)? Explain this result given Mass of flask with air: M1 = 318.73g Mass of heated flask with air: M3= 318.60g *What would you expect if you compared the evacuated flask, Mass of flask without air: M2= 317.64g, at the two different temperatures?
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
I'm trying to understand these lab notes. We heated a flask full of air in a lab experiment.
*Did the mass of the flask and the air inside change? (i.e. is there a difference between M1 and M3)? Explain this result given
Mass of flask with air: M1 = 318.73g
Mass of heated flask with air: M3= 318.60g
*What would you expect if you compared the evacuated flask,
Mass of flask without air: M2= 317.64g, at the two different temperatures?
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