Determine the number of moles of compound in each of the following samples. a. 6.75 g H2O

b. 847.0 g Ba(OH)2

c. 326.44 g Fe3(PO4)2

answer: the rate of diffusion increases with increase in temperature.

increase in temperature, increases the molecular/particles speed (kinetic energy. diffusion means movement of particles through the material.

generally, the heavier the particle the more it interacts with the environment and more the temperature matters. so higher temperature results in higher diffusion.

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the dissolution of polymer can be thermodynamically described in 2 steps.