The diffusion of oxygen (o2) through living tissue is often first approximated as the diffusion of
dissolved o2 in liquid water. estimate the diffusion of o2 in water by the wilke-chang correlation
at 37℃.

Explanation:

We assume that is represented by A and is represented by B respectively.

According to Wilke Chang equation as follows.

where,   T = absolute temperature = (273 + 37)K = 310 K

        = an association parameter for solvent water = 2.26

    = Molecular weight of water = 18 g/mol

    = viscosity of water (in centipoise) = 0.62 centipoise

    = the molar volume of oxygen = 25.6

Hence, putting the given values into the above formula as follows.

                       =

                       =

Thus, we can conclude that the diffusion of in water by the Wilke-Chang correlation  at .

yes

explanation:

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the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.