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CEM 142 EXAM 1 Latest (2026/2027) Verified Answers by Experts

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This document contains questions and verified answers for CEM 142 EXAM 1 . It includes detailed explanations, revision-focused content, and exam preparation material suitable for 2026/2027 students.

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CEM 142 EXAM 1

Alloy - ANS-combination of metals
-strong stable solution
-steel matrix
-metal atom cores surrounded via a "sea" of electrons

atoms flow closer - ANS-PE decreases due to attractive forces

atoms flow even nearer - ANS-PE will increase because of repulsions of electrons begin to push
atoms far from each other

appealing forces = repulsion forces - ANS-PE is at its minimal, machine is most solid

bond BREAKING - ANS-ABSORB power from environment
-calls for power to overcome

bond FORMING - ANS-RELEASE strength to surroundings

clathrade - ANS-cage shape shaped by using water molecules
-solid state

regarding entropy, higher the temperature - ANS-smaller the effect on entropy

Coulomb's Law - ANS-opposite fees attract
-like charges repel
F=kq1q2/r^2

delta G=0 - ANS-at equilibrium
-in the course of a phase alternate
-prices of reactions are the identical, no internet trade

direct (sol. Will increase as temp will increase) - ANS-solubility and temperature have a
________ relationship

effective nuclear charge - ANS-price felt by way of valence electrons
-increase in ENC attracts electrons extra strongly towards the nucleus

electron pair geometry - ANS-SHAPE INCLUDING LONE PAIRS
-be counted as bonds

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  • alloy ans combination of metals strong stable
  • delta g0 ans at equilibrium in the course of a

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