How does solar radiation affect the thermosphere? explain

1 answer:

5 0

"The sun radiates radiation in the UV, visible and infra-red regions of the spectrum. When this reaches earth, some is reflected off the atmosphere/ clouds back into space. However, some passes through. UV radiation ionises molecules in the thermosphere, and this is the cause of the aurora." Credits to Google

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Which type of radiation detection device uses a phosphor-coated surface to detect radiation?

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The chemical bonds of carbohydrates and lipids have high potential energy because:

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Answer:

c. Many of their bonds are C-C and C-H

Explanation:

The majority of bonds in carbohydrates and lipids( being an organic compound) are C-C and C-H. Like glucose, fructose or galactose ,etc.

These bonds are strong and do require a lot of energy to break. Thus, a lot of energy are required to break carbs and lipids into simpler compounds.Therefore, carbohydrates and lipids have high potential energy.

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What is the change in internal energy ( ΔU ) of the system if q = –8 kJ and w = –1 kJ for a certain process?

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Answer:

Change in internal energy (ΔU) = -9 KJ

Explanation:

Given:

q = –8 kJ [Heat removed]

w = –1 kJ [Work done]

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Change in internal energy (ΔU)

Computation:

Change in internal energy (ΔU) = q + w

Change in internal energy (ΔU) = -8 KJ + (-1 KJ)

Change in internal energy (ΔU) = -8 KJ - 1 KJ

Change in internal energy (ΔU) = -9 KJ

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Answer:
The molecules of a substance which must have the ability to move past one another are said to be flexible.

Explanation:
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