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Cobalt crystallizes in a HCP unit cell. Its atomic radius is 0.1253 nm. Its density is 8,900 kg/m. Using this information, estimate Avogadro's number.

Cobalt crystallizes in a HCP unit cell. Its atomic radius is 0.1253 nm. Its density is 8,900 kg/m. Using this information, estimate Avogadro's number.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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I. PROBLEM SOLVING: Solve the following problems completely, neatly and orderly. Express all answers to the nearest 4h decimal place. No unit or wrong unit means wrong answer. 1. Cobalt crystallizes in a HCP unit cell. ts atomic radius is 0.1253 nm. Its density is 8,900 kg/m. Using this information, estimate Avogadro's number. 2. A hypothetical alloy has a face-centered cubic unit cell. Its density is 10,470 kg/m?, and its atomic weightis 106.8 g/mole. a) What is the atomic radius of the alloy in cm? b) What is the volume of the single atom of the alloy in cm?
Transcribed Image Text:I. PROBLEM SOLVING: Solve the following problems completely, neatly and orderly. Express all answers to the nearest 4h decimal place. No unit or wrong unit means wrong answer. 1. Cobalt crystallizes in a HCP unit cell. ts atomic radius is 0.1253 nm. Its density is 8,900 kg/m. Using this information, estimate Avogadro's number. 2. A hypothetical alloy has a face-centered cubic unit cell. Its density is 10,470 kg/m?, and its atomic weightis 106.8 g/mole. a) What is the atomic radius of the alloy in cm? b) What is the volume of the single atom of the alloy in cm?
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