University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 9CQ: Units and Standards What is the difference between a base unit and a derived unit? (b) What is the...
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Question
The density of platinum is 21.45 x 103 kg/m3.
a. Calculate the volume (in m3/atom) occupied per platinum atom
b. Estimate the atomic diameter (in m);
(The estimate uses the approximation that it is a cubic volume)
c. Using this estimation, calculate the thickness of a metal foil (in m) containing 2.0 x 101 atomic layers of platinum.
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