You live on earth. What is earth place in the universe

1 answer:

7 0

Well, Earth is located in the universe in the Virgo Supercluster of galaxies. A supercluster is a group of galaxies held together by gravity. Within this supercluster we are in a smaller group of galaxies called the Local Group. Earth is in the second largest galaxy of the Local Group a galaxy called the Milky Way.

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Circle the letter of each chemical equation that is balanced

Dahasolnce [82]

Just choice D.
If you find the number of atoms of each element, you will find that only choice D has the same amounts on each side of the equation.

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2 years ago

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Which of the following is the simplest ketone used as an organic solvent?

Lyrx [107]

Answer: Option (d) is the correct answer.

Explanation:

A ketone is an organic functional group that contains a carbon and oxygen atom bonded together through a double bond, that is, C=O.

For example, acetone $CH_{3}-CO-CH_{3}$ is a ketone.

Whereas a hydrocodone is a drug which is used to relieve from moderate to sever pain.It is mostly combined with other drugs and resulting in a chemical formula $C_{18}H_{21}NO_{3}.C_{4}H_{6}O_{6}$ .

A camphor is a volatile white color substance with chemical formula $C_{10}H_{16}O$ . It has aromatic smell and its taste is bitter.

A menthone is also an organic compound with chemical formula $C_{10}H_{18}O$ .

Thus, we can conclude that out of the given options the simplest ketone used as an organic solvent is acetone.

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3 years ago

A police car is approaching the corner. Explain what happens to the frequency of sound as it draws closer. What will you hear?

barxatty [35]

The frequency stays the same it just gets louder

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3 years ago

What makes landing the hot air balloon a challenge?

Mariana [72]

You have to think about the fact that hot air is constantly being blown up elevating the balloon once that air is taken away it's up to the steering and the wind after that. I know that probably doesn't help did you want to know the science part?

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Which of the following would naturally form a cation? Ne Li O I

Lina20 [59]

Metals naturally form cations.

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