Asked by Sam

How many protons are contained in a circular puddle of mercury that is 8.5 inches wide and .25 inches deep?

Answers

Answered by DrBob222
What's the size of the protons? You can look up the diameter and the area of a sphere (if you assume they are spheres) is (4/3)*pi*4^3. Do you want the Hg in cubic inches or cubic centimeters. If cc, then
8.5 in x (2.54 cm/in) = ? cm
Area of Hg is pi*r^2
thickness is 0.25 in and that is
0.25 in x (2.54 cm/in) = ?

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