Interpretation: The system and the surroundings when water freezes on a citrus fruit are to be identified.
Concept Introduction: The temperature at which a liquid gets converted to a solid is known as its freezing point.
Answer to Problem 101A
When the temperature falls below 0°C, water freezes on citrus fruit and the temperature of the surrounding increases by the same amount.
Explanation of Solution
Given Information: Water freezes on citrus fruit.
As we know energy can be changed from one form to another, but neither be created nor be destroyed is a Law of Conservation of Energy. Accordingly, water freezes on a citrus tree result in a decrease in temperature, and the energy of the surroundings must increase by the same amount to balance the Energy. Hence, freezing of water on a citrus tree can cause the temperature of the tree to increase.
Chapter 17 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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