Q 2 please Q.2(Calculate the equilibrium number of vacancies per cubic meter for copper at 160 and 927 C. The energy forvacancy formation is 0.9 eV/atom; the atomic weight and density for copper are 63.5 g/mol and 8.4 g/cm³,respectively.Q.3 (Suppose we count 18 grains per square inch in a photomicrograph taken at magnification 300x. What is theASTM grain size number (n)?Q.4(A sheet of BCC iron (Fe purity is 99.988 wt% ) 1 mm thick was exposed to a carburizing gas atmosphere onone side and a decarburizing atmosphere on the other side at 725°C. After having reached steady state, theiron was quickly cooled to room temperature. The carbon concentrations at the two surfaces of the sheetwere determined to be 0.015 and 0.0065 wt%.

Give data: first temperature of copper T1=160°Csecond temperature of copperT2 =927°Cthe energy for…

Q.2 ( Calculate the equilibrium number of vacancies per cubic meter for copper at 160 and 927 C. The energy for vacancy formation is 0.9 eV/atom; the atomic weight and density for copper are 63.5 g/mol and 8.4 g/cm³, respectively. anification 300X. What is the

Q.2 ( Calculate the equilibrium number of vacancies per cubic meter for copper at 160 and 927 C. The energy for vacancy formation is 0.9 eV/atom; the atomic weight and density for copper are 63.5 g/mol and 8.4 g/cm³, respectively. anification 300X. What is the

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Q 2 please

Q.2(
Calculate the equilibrium number of vacancies per cubic meter for copper at 160 and 927 C. The energy for
vacancy formation is 0.9 eV/atom; the atomic weight and density for copper are 63.5 g/mol and 8.4 g/cm³,
respectively.
Q.3 (
Suppose we count 18 grains per square inch in a photomicrograph taken at magnification 300x. What is the
ASTM grain size number (n)?
Q.4(
A sheet of BCC iron (Fe purity is 99.988 wt% ) 1 mm thick was exposed to a carburizing gas atmosphere on
one side and a decarburizing atmosphere on the other side at 725°C. After having reached steady state, the
iron was quickly cooled to room temperature. The carbon concentrations at the two surfaces of the sheet
were determined to be 0.015 and 0.0065 wt%.

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