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# (a)Use Eq. 18.28 to calculate the specific heat at

ISBN: 9780321675460 31

## Solution for problem 45E Chapter 18

University Physics | 13th Edition

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Problem 45E

(a)Use Eq. 18.28 to calculate the specific heat at constant volume of aluminum in units of j/kg · K. Consult the periodic table in Appendix D. (b) Compare the answer in part (a) with the value given in Table 17.3. Try to explain any disagreement between these two values.

Step-by-Step Solution:

Solution 45E Step 1 The molar specific heat at constant volume is given by C V = 3R Here R is the ideal gas constant and is given by R = 8.31 J/mol.K Hence the molar specific heat of ideal solid is C V = 3(8.31 J/mol.K) = 24.93 J/mol/K Now the atomic mass of aluminium is 26.98. Hence the molar mass of aluminium is 3 M = 26.98 g/mol = 26.98 × 10 kg/mol Hence the specific heat of aluminium at constant volume is given by C cv= V = 24.933/mol.= 924 J/kg.K M 26.98×1kg/mol

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##### ISBN: 9780321675460

This full solution covers the following key subjects: Table, heat, any, appendix, calculate. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. This textbook survival guide was created for the textbook: University Physics, edition: 13. University Physics was written by and is associated to the ISBN: 9780321675460. The answer to “(a)Use Eq. 18.28 to calculate the specific heat at constant volume of aluminum in units of j/kg · K. Consult the periodic table in Appendix D. (b) Compare the answer in part (a) with the value given in Table 17.3. Try to explain any disagreement between these two values.” is broken down into a number of easy to follow steps, and 49 words. The full step-by-step solution to problem: 45E from chapter: 18 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. Since the solution to 45E from 18 chapter was answered, more than 259 students have viewed the full step-by-step answer.

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