1.1.8

Factors Affecting Diffusion

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Factors Affecting Diffusion

The rate of diffusion can speed up or slow down based on the following factors:

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Concentration gradient

  • The concentration gradient is linked to the difference in concentration between two areas.
  • The bigger the difference in concentration between two areas, the greater the concentration gradient and the faster the rate of diffusion.
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Temperature

  • The higher the temperature, the faster the rate of diffusion.
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Membrane surface area

  • The larger the surface area of the membrane that a substance is diffusing through (e.g. the membrane around a cell), the faster the rate of diffusion.

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1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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