Question

Кусок мыла сильно прижмите к тарелке, смоченной водой, и провер- ните несколько раз. Поднимите мыло вверх. Вместе с мылом поднимется и тарелка. Объясните, почему это произошло.​

Answer 1

Ответ:

При сильном нажатии мыла на тарелку, происходит ( реакция ) и она физически слипливается вместе с тарелкой

Answer 2

The Phenomenon of the Soap and Plate Experiment

The phenomenon you described, where a wet soap placed on a plate can be lifted along with the plate, is an interesting demonstration of the principles of surface tension and adhesion. Let's explore the science behind this experiment.

When you press the wet soap against the wet plate and then lift the soap, the water molecules in the soap and on the plate create a thin layer of water between them. This layer of water acts as a lubricant, reducing the friction between the soap and the plate.

Surface Tension and Adhesion

Surface tension is the property of a liquid that allows it to resist external forces and minimize its surface area. It is caused by the cohesive forces between the liquid molecules. In the case of water, the molecules are attracted to each other due to hydrogen bonding.

Adhesion refers to the attraction between molecules of different substances. In this experiment, adhesion occurs between the water molecules in the soap and on the plate.

Explanation of the Experiment

When you press the wet soap against the wet plate, the water molecules in the soap and on the plate form a thin layer of water between them. This layer of water creates a strong adhesive force between the soap and the plate.

When you lift the soap, the adhesive force between the soap and the plate is greater than the gravitational force acting on the soap. As a result, the soap is able to lift the plate along with it.

Conclusion

In conclusion, the phenomenon you observed in the soap and plate experiment is due to the adhesive force between the water molecules in the soap and on the plate. This adhesive force, along with the lubricating effect of the water layer, allows the soap to lift the plate when it is lifted.