1. What is the difference in melting characteristics between a pure metal element and an alloy metal? 2. What is thermal conductivity as a material property? 3. Why are metals better conductors of electricity than ceramics and polymers? 4. What is an electrolyte?
1. What is the difference in melting characteristics between a pure metal element and an alloy metal? 2. What is thermal conductivity as a material property? 3. Why are metals better conductors of electricity than ceramics and polymers? 4. What is an electrolyte?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Questions:
1. What is the difference in melting characteristics between a pure metal element and an alloy
metal?
2. What is thermal conductivity as a material property?
3. Why are metals better conductors of electricity than ceramics and polymers?
4. What is an electrolyte?
Problems:
1. During a tensile test in which the starting gage length = 125.0 mm and the cross-sectional area
= 62.5 mm2 , the following force and gage length data are collected (1) 17,793 N at 125.23
mm, (2) 23,042 N at 131.25 mm, (3) 27,579 N at 140.05 mm, (4) 28, 913 N at 147.01 mm, (5)
27,578 N at 153.00 mm, and (6) 20,462 N at 160.10 mm. The maximum load is 28,913 N and
the final data point occurred immediately prior to failure. (a) Plot the engineering stress strain
curve. Determine (b) yield strength, (c) modulus of elasticity, and (d) tensile strength.
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