Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 8 Bonding and Molecular Structure - 8-10 DNA, Revisited - Applying Chemical Principles - Questions: 2

Answer

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Work Step by Step

$\Delta\chi=0.102\sqrt{H_{N-I}-1/2(H_{N-N}+H_{I-I})}$ $\Delta\chi=3.0-2.7=0.3$ $H_{N-N}=163, H_{I-I}=151\ kJ/mol$ Solving for the N-I bond dissociation: $H_{N-I}=166\ kJ/mol$
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