Platelet cells in blood play an essential role in the formation of clots and exist in normal human blood at the level of about 2.00 × 105 per cubic millimeter. In order to illustrate that diffusion alone is not responsible for transporting platelets, consider the following situation. The diffusion constant for platelets in blood is approximately 5.00 × 10−10 m2/s. About how long would it take a

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Q: continuity equation

A: Equation of continuity A₁v₁ = A₂v₂

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Diatomic Gas

Molecule, is a collection of two or more atoms together (which constitute the smallest observable unit) into a pure material. There are some ways to represent the structure of a molecule. Factor symbols represent atoms in Lewis structures, and dots represent electrons that accompany them. A pair of mutual electrons (covalent bond) may be represented by a single dash. The ball-and-stick model depicts the spatial structure of the atoms better.