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# Experimental measurements of heat capacities are often ISBN: 9780201380279 40

## Solution for problem 31P Chapter 3

An Introduction to Thermal Physics | 1st Edition

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Problem 31P

Experimental measurements of heat capacities are often represented in reference works as empirical formulas. For graphite, a formula that works well over a fairly wide range of temperatures is (for one mole) where a = 16.86 J/K, b = 4.77 × 10–3 J/K2, and c = 8.54 × 105 J.K. Suppose, then, that a mole of graphite is heated at constant pressure from 298 K to 500 K. Calculate the increase in its entropy during this process. Add on the tabulated value of S(298 K) (from the back of this book) to obtain S(500 K).

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CEM 141 Lecture 26: Carbon and Graphite Dr. Jian Hu 2 November 2016 Bonding in Diamond  Electron configuration is [He] 2s 2p 2  Carbon uses hybrid orbitals for bonding in diamond  # of atomic orbitals in = # of hybrid orbitals out  1 s orbital + 3 p orbitals create 4 sp orbitals (sp hybridization)   Each electron will occupy one of...

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##### ISBN: 9780201380279

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