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Describe an experiment to deterine the saturated vapour pressure and boiling point of water
- Atmospheric pressure, H. is determined using a mercury barometer
- Water is trapped in a J tube as shown in A
- The J-tube in and its content is transferred into a beaker of water B and a thermometer is inserted as shown in B.
- Water in the beaker is heated until it boils, and the boiling point is obtained from the constant reading of the thermometer.
- It also noted that water in the closed and open tubes of the J-tube are at the same level indicating that water boils when its saturated vapor pressure is equal to the atmospheric pressure H.
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