Temperature-dependency of the pressure of a gas at a constant volume (Amontons’ law)

VC1.4.4.3
Temperature-dependency of the pressure of a gas at a constant volume (Amontons’ law)
Temperature-dependency of the pressure of a gas at a constant volume (Amontons’ law)

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Description

In experiment C1.4.4.3 Amontons’ law is confirmed by means of a gas thermometer. The gas thermometer is placed in a water bath of a specific temperature which is allowed to gradually cool. Meanwhile the pressure p in the air column is constantly reduced by evacuating the air at the open end. The volume V of the air column remains constant as the temperature drops. This experiment measures the pressure p of the air column as a function of the temperature T of the water bath. The evaluation confirms the relationship pT for V = const. (Amontons’ law).

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