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Ch.10 - Gases: Their Properties & Behavior
McMurry - Chemistry 8th Edition
McMurry8th EditionChemistryISBN: 9781292336145당신이 사용하는 게 아니라요?교과서 변경
10장, 문제 116

Name the regions of the atmosphere. What property is used to distinguish between different regions of the atmosphere?

검증된 단계별 안내
1
Identify the main regions of the Earth's atmosphere: troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
Understand that the primary property used to distinguish between these regions is the temperature gradient or temperature change with altitude.
Recognize that in the troposphere, temperature decreases with altitude, which is why weather phenomena occur here.
Note that in the stratosphere, temperature increases with altitude due to the absorption of ultraviolet radiation by the ozone layer.
Acknowledge that in the mesosphere, temperature again decreases with altitude, and in the thermosphere, temperature increases with altitude due to solar activity.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
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1m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Atmospheric Layers

The atmosphere is divided into several layers based on temperature gradients and altitude. The main layers include the troposphere, stratosphere, mesosphere, thermosphere, and exosphere. Each layer has distinct characteristics, such as temperature changes and the presence of specific gases, which influence weather patterns and climate.
추천 영상:
가이드 코스
08:52
Acid-Base Extraction

Temperature Gradient

The temperature gradient refers to the change in temperature with altitude in the atmosphere. This gradient is crucial for distinguishing between the different atmospheric layers, as each layer exhibits unique temperature behaviors. For instance, the troposphere generally cools with altitude, while the stratosphere warms due to ozone absorption of UV radiation.
추천 영상:
가이드 코스
03:48
Temperature vs Heat

Pressure Variation

Atmospheric pressure decreases with increasing altitude, which is another property used to differentiate the layers of the atmosphere. As one ascends through the layers, the density of air molecules decreases, leading to lower pressure. This variation in pressure is essential for understanding weather phenomena and the behavior of gases in the atmosphere.
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