Why substitutional diffusion is more strongly influenced by temperature than interstitial diffusion.

Explanation:

Substitutional diffusion is a mechanism in which diffusant substitutes for the host atoms by displacing them from their lattice sites and high activation energy process. Substitutional diffusants (e.g. all p- and n-type dopants in silicon) feature low diffusion coefficient.

Interstitial diffusion mechanism in which diffusant moves in between host atoms in the lattice and low activation energy process. Interstitial diffusants (e.g. gold in silicon) feature high diffusion coefficient.

So when temperature increase, there is a slight change in the number of molecules in the interstitial sites, but when compared to substitutional diffusion, the intermolecular distance plays an integral role which is a function of temperature. As the temperature increases, more thermal energy are available in substitutional diffusion thus, diffusion is higher at higher temperature.

no, i was listening to water by schoolboy q while and i saw this question

explenation:

water isn't wet. wetness is a description of our experience of water; what happens to us when we come into contact with water in such a way that it impinges on our state of being. we, or our possessions, 'get wet'. a less impinging sense experience of water is that it is cold or warm, while visual experience tells us that it is green or blue or muddy or fast-flowing. we learn by experience that a sensation of wetness is associated with water: 'there must be a leak/i must have sat in something.'

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