Bundle: Introductory Chemistry: An Active Learning Approach, 6th + OWLv2, 1 term (6 months) Printed Access Card

6th Edition

ISBN: 9781305717367

Author: Mark S. Cracolice, Ed Peters

Publisher: Cengage Learning

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Textbook Question

Chapter 15, Problem 94E

The following information is given for n-pentane at 1 atm :

boiling point = 36.20 ° C ΔH vap ( 36.20 ° C ) = 357.6 J / g

melting point = − 129.7 ° C ΔH fus ( − 129.7 ° C ) = 116.7 J / g

specific heat gas = 1.650 J / g ⋅ ° C

specific heat liquid = 2.280 J / g ⋅ ° C

A 26.10 -g sample of liquid n-pentane is initially at − 51.40 ° C . If the sample is heated at constant pressure ( P = 1 atm ) , how many kJ of energy are needed to raise the temperature of the sample to 65.30 ° C ?

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Chapter 15 Solutions

Bundle: Introductory Chemistry: An Active Learning Approach, 6th + OWLv2, 1 term (6 months) Printed Access Card

Ch. 15 - Prob. 1E Ch. 15 - Prob. 2E Ch. 15 - Prob. 3E Ch. 15 - Prob. 4E Ch. 15 - Prob. 5E Ch. 15 - Prob. 6E Ch. 15 - Prob. 7E Ch. 15 - Prob. 8E Ch. 15 - Prob. 9E Ch. 15 - Prob. 10E

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Solution Summary: The author explains that the amount of energy required to change the temperature of n -pentane is known as enthalpy.

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Chapter 15 Solutions