54. Solution to Chemistry Problem

54. Solution to Chemistry Problem

7. Calculate the degree of swelling of gelatin in water and the average value of the rate constant of this process (gelatin sample m=1.09*10-3 kg), according to the experimental data below:
Swelling time t, min 150 200 250
Volume of absorbed water Vж*10-7, m3 1357 1626 1807
Temperature 18 C maximum amount of absorbed water v=2112*10-7 m3, p=1000

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