Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 17 - Think and Explain - Page 334-335: 96


Each gram of water that that freezes releases 80 calories of energy to the fruit and the air nearby (page 330, Figure 17.18). This energy helps keep the temperature above $0^{\circ}C$. The fruit contains sugary water, which lowers its freezing point below $0^{\circ}C$ (page 327). Furthermore, the ice layer acts as a custom-fitted insulating blanket, protecting the fruit against heat loss.
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