The rate of diffusion is affected by A) temperature B) size of molecules C) steepness of the concentration gradient.
- Diffusion can be defined as the movement of molecules of a gas or liquid from higher concentration to lower concentration across a semipermeable membrane.
- The rate of diffusion can be affected by factors like temperature, size of the molecules, and concentration gradient.
- Temperature: Higher the temperature more kinetic energy is expected in the movement of molecules that are separated by the process of diffusion.
- Size of molecules: Smaller particles are likely to pass across the small pore sized membranes.
- Steepness of the concentration gradient: The greater the differences in concentration between the two solutions across the semipermeable membrane more easy will be the diffusion of particles across the semipermeable membrane.
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Diagram showing diffusion of molecules across the semipermeable membrane that is lipid bilayer.
