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Lesson 8
Pressure in gasses
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Slide 1:
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Nask
Middelbare school
havo, vwo
Leerjaar 2
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Pressure in gasses
Slide 1 - Diapositive
Slide 2 - Diapositive
This lesson
Pressure in gasses
Worksheet pressure
Working independently
Slide 3 - Diapositive
Learning goals
Be able to calculate pressure, force and area in hydraulic systems.
Explain the difference between pressure in gas and pressure in liquids in your own words.
Explain the relationship between pressure, volume and temperature.
Slide 4 - Diapositive
Pressure in gasses
Slide 5 - Diapositive
Slide 6 - Diapositive
Liquids are incompressible
Gasses are compressible
Slide 7 - Diapositive
Pressure in gas can change a lot
What three factors influence the pressure in a gas?
Amount of gas
Volume
Temperature
Slide 8 - Diapositive
The ideal gas law
P
⋅
V
=
n
⋅
R
⋅
T
Slide 9 - Diapositive
The relationship between
Volume
Temprature
Pressure
(in a gas)
Slide 10 - Diapositive
Current Tasks
Read 8.5 and 8.6
8.5 Workbook exercises
8.6 Workbook exercises
Slide 11 - Diapositive
Hydraulics
In a hydraulic jack a force of 20 Newton is applied to a piston with an area of 0.20 m2. The area of the other piston is 2.0 m2.
a) What is the pressure transmitted through the liquid?
b) What is the force applied to the other piston?
Slide 12 - Diapositive
Learning goals
Be able to calculate pressure, force and area in hydraulic systems.
Explain the difference between pressure in gas and pressure in liquids in your own words.
Explain the relationship between pressure, volume and temperature.
Slide 13 - Diapositive
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