111. Solving a chemistry problem
Seller: Derkach
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Product description
Two vertical parallel plates are partially immersed in liquid at a distance of 1 mm from each other. The wetting angle of the plates with liquid is 130°. The surface tension of the liquid is 165 mJ/m2, the difference between the densities of the liquid and air is 1 g/ml. Calculate the excess pressure in the liquid and the force of mutual attraction of the plates if their dimensions are 5x5 cm.
Additional information
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