Determine the normal boiling point (in °C) of triethylborane (C6H15B) using the following data: Answer in 3 significant figures; exclude theunit/s.AH°† (25°C)AG°f (25°C)C6H15B(1)C6H15B(g)-194.6 kJ/mol9.4 kJ/mol-157.7 kJ/mol16.1 kJ/mol

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Chemistry for Engineering Students

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ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter10: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 10.59PAE: 10.59 The normal melting point of benzene, C6H6, is 5.5°C. For the process of melting solid benzene,...

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Concept explainers

Crystal Structures

Solids are present all around us. They have different properties and applications. Diamond and graphite are two well-known solids. Diamond is the hardest material in the world and is used in making jewelry. Graphite on the other hand is soft. The lead of your pencil is graphite. Why are they so different in appearance and properties despite the fact they are chemically the same? Both are allotropes of carbon. The answer lies in the structure, the way constituent particles are arranged in the solids.

Question

Determine the normal boiling point (in °C) of triethylborane (C6H15B) using the following data: Answer in 3 significant figures; exclude the
unit/s.
AH°† (25°C)
AG°f (25°C)
C6H15B(1)
C6H15B(g)
-194.6 kJ/mol
9.4 kJ/mol
-157.7 kJ/mol
16.1 kJ/mol

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