The heat capacity of α -quartz is given by The coefficient of thermal expansion is given by

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The heat capacity of α -quartz is given by

Cp m (a-quartz, s) Jк'mol- 46.94 + 34.31x10-3 - 11.30 x10°, к? к

The coefficient of thermal expansion is given by β = 0.3530 × 10ˆ’4 Kˆ’1 and Vm = 22.6 cm3 mol+. Calculate ΔSm for the transformation α -quartz (15.0°C,1atm) †’α -quartz (420.°C, 925 atm).

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Physical Chemistry

ISBN: 978-0321812001

3rd edition

Authors: Thomas Engel, Philip Reid

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