12-atoms at grain boundaries are ------chemically reactive than grains .themselves • less more • equal none 13-A reversible changes in an atomic structure of the metal with a corresponding change in the properties of steel, is called • poly-tropic allotropic critical point none of these 14-What types of bonding would you expected of nylon (primary composed from hydrogen and carbon)? • covalent bonds • van der Waals hydrogen • ionic • 1 and perhaps 2 choices

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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12-atoms at grain boundaries are ------chemically reactive than
grains .themselves
• less
more
• equal
none
13-A reversible changes in an atomic structure of the metal with a
corresponding change in the properties of steel, is called
• poly-tropic
• allotropic
critical point
none of these
14-What types of bonding would you expected of nylon (primary composed from
hydrogen and carbon)?
• covalent bonds
van der Waals
• hydrogen
• ionic
• 1 and perhaps 2 choices
Transcribed Image Text:12-atoms at grain boundaries are ------chemically reactive than grains .themselves • less more • equal none 13-A reversible changes in an atomic structure of the metal with a corresponding change in the properties of steel, is called • poly-tropic • allotropic critical point none of these 14-What types of bonding would you expected of nylon (primary composed from hydrogen and carbon)? • covalent bonds van der Waals • hydrogen • ionic • 1 and perhaps 2 choices
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