Do all parts in detail a)i) Write down the equation for macroscopic entropy change AS in a process taking asystem between equilibrium states a and b in terms of infinitesimal heat flow and thetemperature at which it occurs.ii) 1 kg of ice from a freezer at -10 °C is placed in a bucket in the garden where thetemperature is 20 °C. Calculate the entropy change of the ice/water, after the ice hasmelted and the water has come to thermal equilibrium.iii) Calculate the entropy change of the garden (due to the processes occurring with theice/water) including sign.

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Answered: Write down the equation for macroscopic…

Write down the equation for macroscopic entropy change AS in a process taking a system between equilibrium states a and b in terms of infinitesimal heat flow and the temperature at which it occurs.

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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Concept explainers

Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

Question

Do all parts in detail

a)
i) Write down the equation for macroscopic entropy change AS in a process taking a
system between equilibrium states a and b in terms of infinitesimal heat flow and the
temperature at which it occurs.
ii) 1 kg of ice from a freezer at -10 °C is placed in a bucket in the garden where the
temperature is 20 °C. Calculate the entropy change of the ice/water, after the ice has
melted and the water has come to thermal equilibrium.
iii) Calculate the entropy change of the garden (due to the processes occurring with the
ice/water) including sign.

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