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Measuring the surface tension using the "break-away" method - Recording and evaluating with CASSY /
Measuring the surface tension using the "break-away" method - Recording and evaluating with CASSY

Measuring the surface tension using the "break-away" method - Recording and evaluating with CASSY

VP1.8.4.2

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Description

The experiments P1.8.4.1 and P1.8.4.2 determines the surface tension of water and ethanol. It is shown that water has a particularly high surface tension in comparison to other liquids (literature value for water: 0.073 Nm^-1, for ethanol: 0.022 Nm^-1).

Components of equipment sets

1	36746 4	Surface tension determination device
1	664175 4	Crystallisation dish, 95 mm diam., 300 ml
1	524060 8	Force sensor S, ±1N
1	524005W2	Mobile-CASSY 2 WiFi
1	31153 4	Vernier callipers
1	30076 8	Laborboy 16 cm x 13 cm
1	30002 4	Stand base, V-shaped, small
1	30042 4	Stand rod, 47 cm, 12 mm diam.
1	30101 4	Leybold multiclamp
1	6719740 4	Ethanol, denaturated, 250 ml Danger H225 H319
1	6753400 4	Water, pure, 1 l

Experiment Instructions

PDF (Experiment description)

P1.8.4.2 Measuring the surface tension using the "break-away" method - Recording and evaluating with CASSY

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Measuring the surface tension using the "break-away" method - Recording and evaluating with CASSY

Description

Components of equipment sets

Experiment Instructions

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