The dye molecules move in a directed way from high to low concentration
Explanation:
The statement that best describes the motion of dye molecule in water is directed from a region of high to low concentration. The motion of the particles of the dye in water is described as diffusion:
- diffusion is the movement of molecules of a substance from one position to another.
- diffusion occurs from a region of high concentration to that of a low concentration.
- the dye in the water solution causes an increase in concentration of an area where it is dropped.
- this causes the particles to spread outward in the solution.
- a concentration gradient is set up between the two parts of the solution.
- this gradient facilitates the movement of the dye particles.
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I believe the answer is 1.43
Examples of Physical Changes<span>crushing a can.melting an ice cube.boiling water.mixing sand and water.breaking a glass.dissolving sugar and water.shredding paper.<span>chopping wood.</span></span>
Answer: no
Explanation: theres a chance but generally no because there can be different substances in different amounts which can have similar volumes
