CONCEPTUAL PHYSICS-W/PRACTICING PHYSICS
9th Edition
ISBN: 9780321052025
Author: Hewitt
Publisher: PEARSON
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Textbook Question
Chapter 23, Problem 7A
Why does warm moist air form clouds when it rises?
Expert Solution & Answer
To determine
To Explain: Warm moist air rises and form clouds.
Explanation of Solution
Introduction: The formation of a cloud is a natural process. It depends on the rate of evaporation and condensation.
The warm air has less density, so it rises above the cool air and cools & expands in the atmosphere. The relative humidity of air increases. The water vapors start condensing to form tiny water droplets. The millions of tiny waters drop of liquid water collected to form a cloud.
Conclusion:
The warm air rises, cools and condenses to form water droplets which eventually form cloud.
Chapter 23 Solutions
CONCEPTUAL PHYSICS-W/PRACTICING PHYSICS
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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