The boiling points of propanol (CH;CH;CH;OH) and pentanol (CH;CH;CH;CH;CH2OH) are 97°C and 137°C, respectively. The boiling point of butanol (CH3CH;CH;CH;OH) is predicted to be: O > 137°C O < 97°C O 97°C O > 97°C and < 137°C O 137°C

The boiling points of propanol (CH;CH;CH;OH) and pentanol (CH;CH;CH;CH;CH2OH) are 97°C and 137°C, respectively. The boiling point of butanol (CH3CH;CH;CH;OH) is predicted to be: O > 137°C O < 97°C O 97°C O > 97°C and < 137°C O 137°C

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter5: Gases, Liquids, And Solids

Section: Chapter Questions

Problem 5.74P

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Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.

Question

The boiling points of propanol (CH;CH;CH;OH) and pentanol (CH;CH2CH;CH;CH;OH) are 97°C and
137°C, respectively. The boiling point of butanol (CH3CH2CH2CH2OH) is predicted to be:
O > 137°C
O < 97°C
O 97°C
O > 97°C and < 137°C
O 137°C

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