What is condensation, and why is it also a warming process?

Answer 1

Consider the reaction: #H_2O(l) + Delta rarr H_2O(g)#

Now I have represented heat as #Delta#, and reasonably, I have to put the kettle onto the stove, turn on the burner, and allow the flame/element to heat the water to get it to boil.

Now, the opposite response is evidently:

#H_2O(g) rarr H_2O(l) + Delta#, and this is clearly a condensation reaction; moreover it is a reaction where heat or energy is clearly a product of the reaction; and thus, again reasonably, we may designate this as an exothermic, or #"warming"# process.
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Answer 2

When water vapor in the atmosphere cools and reaches its dew point, it condenses into liquid water droplets. This process of turning water vapor into liquid water is known as condensation, and it releases latent heat into the surrounding atmosphere, which warms the air because it adds heat energy.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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