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charle [14.2K]
3 years ago
9

Acid rain is a type of pollution caused mainly from

Chemistry
1 answer:
Aleksandr-060686 [28]3 years ago
4 0

Answer:

im pretty sure its the second one

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How can water change? I or change into a If 1-Heat causes water toi 2-Water that goes into the alr is called tral air makrs wate
Fofino [41]

1 - evaporate

2 - steam / water vapor

3 - condense

4 - ice

5- ocean/bodies of water

6 - water cycle

4 0
2 years ago
A. Balance the following equation:
yanalaym [24]

Answer:

1.C+2H2-CH4

Explanation:

when we add two to hydrogen the product is equal to the reactant

7 0
3 years ago
An electron is in a region outside the nucleus
harkovskaia [24]
Is that a question? Doesnt seem like it
3 0
2 years ago
Predict the sign of ΔSo for the following reaction:
Sergio [31]

Answer: Option (a) is the correct answer.

Explanation:

Entropy means the degree of randomness present within the molecules of an object.

When a substance is present in a solid state then its molecules are held together because of strong intermolecular forces of attraction.

As a result, molecules are not able to move freely and therefore, there will be no randomness.

But when a substance changes into liquid state then its molecules mover further apart from each other due to gain in kinetic energy. Hence, randomness increases.

On the other hand, when a substance moves from liquid to gaseous state then its molecules gain more kinetic energy due to which there will be high degree of randomness.

Therefore, as the products in the given reaction are present in liquid and gaseous state. So, this means that there has been an increase in entropy.

A decrease in entropy is represented by negative sign and an increase in entropy is represented by a positive sign.

Thus, we can conclude that the sign of \Delta S_{o} for the given reaction is  \Delta S_{o} > 0.

8 0
2 years ago
Scientific theories are usually
jasenka [17]

Answer:

B

Explanation:

Cuz they are supported once discovered and then widely spread then accepted

4 0
3 years ago
Read 2 more answers
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