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Determination of specific vaporization heat of water

Determination of specific vaporization heat of water

VP2.4.1.1

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Description

To determine the specific evaporation heat Q_V of water, pure steam is fed into the calorimeter in the experiment P2.4.1.1, in which cold water is heated to the mixing temperature ϑ_m. The steam condenses to water and gives off heat in the process; the condensed water is cooled to the mixing temperature. The experiment measures the starting temperature ϑ₂ and the mass m₂ of the cold water, the mixing temperature ϑ_m and the total mass

By comparing the amount of heat given off and absorbed, we can derive the equation

Components of equipment sets

1	38648 8	Dewar vessel calorimeter, 250 ml
1	38417 4	Water separator
1	38234 8	Thermometer, -10...+110 °C/0.2 K
1	31523 4	Single-pan suspension balance 610 Tara
1	30328 4	Steam generator
1	667194 8	Silicone tubing 7 mm Ø, 1 m
1	664104 4	Beaker, DURAN, 400 ml, squat
1	30002 4	Stand base, V-shaped, small
1	30042 4	Stand rod, 47 cm, 12 mm diam.
2	30101 4	Leybold multiclamp
2	666555 4	Universal clamp 0...80 mm

Experiment Instructions

PDF (Experiment description)

P2.4.1.1 Determination of specific vaporization heat of water

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Determination of specific vaporization heat of water

Description

Components of equipment sets

Experiment Instructions

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