Concept explainers
(a)
The density of oxygen nucleus.
(a)
Answer to Problem 20E
The density of oxygen nucleus is
Explanation of Solution
Write the expression for the nuclear density of an atom.
Here,
Write the expression for the radius of a nucleus.
Write the expression for the nuclear density.
Here,
Conclusion:
Substitute
Substitute
Thus, the nuclear density of oxygen is
(b)
The ratio of the oxygen nucleus density to the density of water.
(b)
Answer to Problem 20E
The ratio of oxygen nucleus density to the density of water is
Explanation of Solution
The density of the water is
Write the expression for the ratio of two densities.
Here,
Conclusion:
Substitute
Thus, the ratio of oxygen nucleus density to the density of water is
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Chapter 30 Solutions
General Physics, 2nd Edition
- Data from the appendices and the periodic table may be needed for these problems. Show that the activity of the 14C in 1.00 g of 12C found in living tissue is 0.250 Bq.arrow_forward(a) Show that if you assume the average nucleus is spherical with a radius r=r0A1/3, and with a mass at A u, then its density is independent at A. (b) Calculate that density in u/fm3 and kg/m3, and compare your results with those found in Example 31.1 for 56Fe.arrow_forward
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