Describe an experiment to show that the saturation vapour pressure of water at its boiling is equal to the air pressure on its surface

Answer 1

Materials:
-A pot of water
-A thermometer
-A barometer

Procedure:
1. Fill the pot with water and place it on a heat source.
2. Measure the temperature of the water with the thermometer.
3. Measure the air pressure with the barometer.
4. When the water reaches its boiling point, measure the temperature and the air pressure again.

Expected Results:
The temperature of the water should be equal to the boiling point of water (100°C) and the air pressure should be equal to the saturation vapour pressure of water at its boiling point (1 atmosphere).