Answer
If the temperature of the thermos bottle is already hot from rinsing it with hot water, less heat will escape from the coffee allowing the coffee to stay hotter for a longer period of time.
Work Step by Step
See explanation above.
Chemistry 9th Edition
by Zumdahl, Steven S.; Zumdahl, Susan A.
Published by
Cengage Learning
ISBN 10:
1133611095
ISBN 13:
978-1-13361-109-7
Chapter 6 - Thermochemistry - Questions - Page 286: 21
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