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Illusion [34]
3 years ago
5

Which of the following statements about diffusion is true?

Physics
2 answers:
polet [3.4K]3 years ago
6 0

Answer:

3. It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.

Explanation:

<em>Diffusion can be defined as the movement of solute or gaseous molecules from the region in which they have higher concentration to the regions in which they have lower concentration until they become evenly distributed across the two regions. </em>

<em>Diffusion is a passive process, that is, it requires no energy.</em>

Option 3 is the correct option.

Irina-Kira [14]3 years ago
5 0

Answer:

It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration

Explanation:

Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. It is an important process for living things.

A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space

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The correct answer is 
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In fact, electric charge is quantized: the elementary charge is the charge of the electron, </span>e=1.6 \cdot 10^{-19} C, and every particle can only have an electric charge which is an integer multiple of this value. Of the options listed above, only option (3) is an integer multiple of the elementary charge: in fact, it corresponds to 2 times the electron charge:
2e=2 \cdot 1.6 \cdot 10^{-19} C=3.2 \cdot 10^{-19} C
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