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Oxana [17]
3 years ago
13

List three reasons why is the sun essential to our lives on Earth

Chemistry
1 answer:
elena-s [515]3 years ago
5 0

OKAY SO FIRST.... THE SUN IS IMPORTANT FOR PLANTS TO LIVE AND UMMM... SECOND IT PRODUCES LIGHT AND HEAT WHICH WARMS THE EARTH... AND LAST BUT NOT LEAST

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There are several aromatic compounds with the formula C8H9Cl. Draw those that have a trisubstituted ring where the methyl groups
Kryger [21]

Answer:

3-Chloro-1,2-dimethylbenzene

4-Chloro-1,2-dimethylbenzene

Explanation:

Such types of compounds in which conjugated planer ring system and delocalized pi electrons are present are called aromatic compounds such as Toluene, Benzene and some other. Generally, these compounds follow Huckle's rule. The trisubstituted ring means a compound in which three hydrogen atoms are replaced by three other groups. In the given compound  two hydrogen atoms are replaced by two methyl groups and one hydrogen atom is replaced by one Chlorine atom. From the given compound  3-Chloro-1,2-dimethylbenzene, and   4-Chloro-1,2-dimethylbenzene  can be drawn.

7 0
3 years ago
Use a periodic table to help you answer these questions if needed.
yuradex [85]

Answer:

2 Al and 3 S

Explanation:

Al2S3 so 2 Al and 3 S

3 0
1 year ago
With respect to the categories of assets, liabilities, and stockholders' equity presented on the balance sheet (statement of fin
Pavlova-9 [17]

Explanation:

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4 0
3 years ago
Photochemical smong result from the interaction of pollution in the presence of
Goshia [24]
Photochemical smong result from the interaction of pollution in the presence of sunlight. The photochemical smog is result of the <span> chemical reaction in the air between the sunlight, nitrogen oxides and volatile organic compounds.
</span>It is noticed as a brown haze above cities. <span>The negative effects are: production of chlorofluorocarbons (CFCs) increased UV radiation, irritation to the eyes, nose, and throat. </span>
6 0
3 years ago
Need help asap<br> will give brainly
uranmaximum [27]

Answer:

8. B

9. D

10. A

Explanation:

give brainliest pls ^-^

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2 years ago
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