ENGLISH DIFFUSION PROCESSES AND CONCEPTS

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Concentration in chemistry

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Refers to the number of particles of a substance in a given volume of a mixture or solution.

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High concentration

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Refers to a high number of particles in a given volume.

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Low concentration

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Means there is a low number of particles in the volume.

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Representation of concentration

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Often represented as a percentage (%) or a ratio (1:5).

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Decrease in temperature

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Equals a decrease in kinetic energy (heat).

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Equilibrium in the particle model

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Particles are spread out evenly in a specific volume.

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What does net movement summarize?

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All the particles over time.

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Why is diffusion critical?

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It is a natural phenomenon that is critical to biological survival.

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How do particles move in dynamic equilibrium?

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They continue to move randomly in the space available.

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What is maintained in dynamic equilibrium?

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The average equilibrium.