Answered: All the Evaluations carried out so far…

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

All the Evaluations carried out
so far for U, H, S , Cp and Cv on the molar basis can be re-written on a mass basis as well. Develop the appropriate relations on mass basis Evaluating U, H, S, and Specific Heats for Ideal Gases

Expert Solution

Step 1: step 1

To convert thermodynamic properties from a molar basis to a mass basis, you need to consider the molar mass of the substance. Here are the relations for evaluating internal energy (U), enthalpy (H), entropy (S), specific heat at constant pressure (Cp), and specific heat at constant volume (Cv) on a mass basis for ideal gases.

Internal Energy (U):

The internal energy per unit mass (u) is given by:

where,

$u equals U over m$

U = the internal energy on a molar basis,

m = the mass, and

u = the internal energy on a mass basis.

Enthalpy (H):

The enthalpy per unit mass (h) is given by:

$h equals H over m$

where,

H= the enthalpy on a molar basis,

m = the mass, and

h = the enthalpy on a mass basis.

Entropy (S):

The entropy per unit mass (s) is given by:

$s equals S over m$

where,

S = the entropy on a molar basis,

m = the mass, and

s= the entropy on a mass basis.

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