/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 5 What happens to the water vapor ... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 25: Problem 5

What happens to the water vapor in saturated air as the air cools?

Short Answer

Expert verified
As saturated air cools, the excess water vapor condenses into liquid water, leading to condensation which manifests as dew, fog, or clouds.

Step by step solution

01

Define Saturated Air

Saturated air refers to air that contains the maximum amount of water vapor it can hold at a given temperature and pressure. When air is saturated, its relative humidity is 100%.
02

Understand Relative Humidity and Temperature Relationship

Relative humidity is the ratio between the current amount of water vapor in the air and the maximum amount it could hold at that temperature. As the temperature decreases, the capacity of the air to hold water vapor also decreases.
03

Determine the Outcome of Cooling

When saturated air cools, the water vapor in the air can no longer be held in the vapor phase. The excess water vapor will condense to form liquid water. This process is known as condensation and can result in the formation of dew, fog, or clouds.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Saturated Air
Imagine a sponge soaked to its limit; this is what we call 'saturated air' in the atmosphere. Saturated air has absorbed the maximum amount of water vapor it can contain for a given temperature and pressure. When it鈥檚 fully saturated, its relative humidity is 100%. This means no more water vapor can be added without some of it condensing into liquid.

Understanding saturated air is crucial because it is a tipping point for various weather phenomena. When air is saturated, it's like a cup brimming with water: any extra drop causes a spill, or in the case of the atmosphere, leads to condensation, forming dew, fog, or clouds.
Relative Humidity
Relative humidity is often mentioned in weather forecasts, but what does it really mean? Simply put, it's a measure of the current amount of water vapor in the air compared to the maximum it can hold at that temperature, expressed as a percentage. If the relative humidity is low, it means the air can hold a lot more water vapor鈥攊t's thirsty air!

An example helps to illustrate: if the relative humidity is 50%, the air has half of the water vapor it could potentially hold at that temperature. It's vital to realize that relative humidity changes not just with the addition or removal of moisture, but also with changes in temperature.
Temperature and Humidity Relationship
Temperature plays an incredibly important role in how much water vapor the air can hold. Think of temperature as the size of the sponge mentioned earlier. As temperature rises, the air expands and can hold more water vapor鈥攐ur sponge grows bigger. Conversely, when the temperature drops, the air's capacity to hold water shrinks鈥攖he sponge is squished, and can't hold as much.

It's like a dance between temperature and water vapor capacity: as one goes up, so does the other, and when one falls, the other drops too. This relationship is crucial for understanding weather patterns and how they can rapidly change when these two factors fluctuate.
Water Vapor Condensation
Condensation is the transformation of water vapor into liquid water. It happens when saturated air cools down enough that it can no longer hold all of its water vapor. At this point, some of the vapor condenses into a liquid. If this occurs near the ground, we get dew. Higher up, this process leads to cloud formation.

Understanding condensation is key for predicting weather conditions. It's also central to the water cycle, demonstrating how water moves from the Earth's surface to the atmosphere and back again. Every droplet of morning dew, every cloud in the sky, is a visible reminder of this ongoing process.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

What happens to the pressure and temperature of an air parcel aloft as it descends in the atmosphere?

What are the three main atmospheric lifting mechanisms?

Cite at least four types of information needed to predict the weather.

On a broadcast news report, you hear that a highpressure system is moving into your area. What kind of weather can you expect from this general forecast?

Evaporation and condensation are always happening. List, from first to last, the following events that lead to the formation of water droplets: (a) the relative humidity approaches \(100 \%\), (b) the temperature cools and air molecules move more slowly, (c) the net rate of evaporation decreases, (d) the air temperature drops below the dew point temperature.
See all solutions

Recommended explanations on Physics Textbooks

Circular Motion and Gravitation

Read Explanation

Medical Physics

Read Explanation

Work Energy and Power

Read Explanation

Magnetism and Electromagnetic Induction

Read Explanation

Magnetism

Read Explanation

Electricity and Magnetism

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.