Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Textbook Question
Chapter 23, Problem 43A
Why will spraying fruit trees with water before a frost help to protect the fruit from freezing?
Expert Solution & Answer
To determine
To Explain:The reason for spraying fruit trees with water to prevent them from freezing.
Explanation of Solution
Introduction: Heat is released when a liquid is converted to its solid form.
The spraying fruit tree with water is done before a frost in farms. This prevents the tree from freezing. The heat is released from the water that is sprayed over the fruit tree, when it freezes. The temperature of the tree and the air around the tree is increased by this released heat or energy. This prevents the freezing.
Conclusion:
With the spraying of water on fruit tree, temperature is increased and this temperature prevents the fruits/tree from freezing.
Chapter 23 Solutions
Conceptual Physics: The High School Physics Program
Ch. 23 - Prob. 1ACh. 23 - Prob. 2ACh. 23 - Why does a hot dog pant?Ch. 23 - What is condensation, and why is it also a warming...Ch. 23 - Prob. 5ACh. 23 - Which usually contains more water vapor—warm air...Ch. 23 - Why does warm moist air form clouds when it rises?Ch. 23 - Prob. 8ACh. 23 - Why do you feel less chilly if you dry yourself...Ch. 23 - Prob. 10A
Ch. 23 - Why does the temperature at which a liquid boils...Ch. 23 - Why is a pressure cooker even more useful when...Ch. 23 - Prob. 13ACh. 23 - How can water be made to both boil and freeze at...Ch. 23 - Prob. 15ACh. 23 - Prob. 16ACh. 23 - Prob. 17ACh. 23 - What is the effect of rapid evaporation on the...Ch. 23 - In a refrigerator, does the food cool when a vapor...Ch. 23 - Why is it important that a finger be wet before it...Ch. 23 - Calculate the energy absorbed by 20 grams of water...Ch. 23 - Calculate the energy needed to melt 50 grams of 0C...Ch. 23 - Calculate the energy needed to melt 100 grams of...Ch. 23 - Calculate the energy absorbed by 20 grams of 100C...Ch. 23 - Calculate the energy released by 20 grams of 100C...Ch. 23 - Calculate the total energy released when 20 grams...Ch. 23 - Prob. 27ACh. 23 - Prob. 28ACh. 23 - Classmate Matthew says that if all the molecules...Ch. 23 - You can determine wind direction if you wet your...Ch. 23 - Give two reasons why pouring a hot cup of coffee...Ch. 23 - At a picnic, why would wrapping a bottle in a wet...Ch. 23 - Why does dew form on the surface of a cold...Ch. 23 - Air-conditioning units contain no water whatever,...Ch. 23 - Prob. 35ACh. 23 - Prob. 36ACh. 23 - If a large tub of water is kept in a small...Ch. 23 - On a clear night, why does more dew form in an...Ch. 23 - Machines used for making snow at ski areas blow a...Ch. 23 - People who live where snowfall is common will...Ch. 23 - Prob. 41ACh. 23 - Why is it that, in cold winters, a tub of water...Ch. 23 - Why will spraying fruit trees with water before a...Ch. 23 - Andrew says that potatoes will cook faster in...Ch. 23 - Why is the constant temperature of boiling water...Ch. 23 - Prob. 46ACh. 23 - Elizabeth says that the boiling temperature of...Ch. 23 - Nick suspends a small jar of water in a saucepan,...Ch. 23 - Room-temperature water will boil spontaneously in...Ch. 23 - Your inventor friend proposes a design for...Ch. 23 - Hydrothermal vents are openings in the ocean floor...Ch. 23 - In the power plant of a nuclear submarine, the...Ch. 23 - Prob. 53ACh. 23 - How much steam at 100C must be condensed in order...Ch. 23 - How many calories ate given off by 1 gram of 100C...Ch. 23 - If 20 grams of hot water at 80C is poured into a...Ch. 23 - Answer Questions 57—61 in terms of joules rather...Ch. 23 - Answer Questions 57—61 in terms of joules rather...Ch. 23 - Answer Questions 57—61 in terms of joules rather...Ch. 23 - Prob. 60ACh. 23 - Answer Questions 57—61 in terms of joules rather...
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