2 years ago

Need help with these 2 ez questions will mark brainiest btw!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Chemistry

1 answer:

fomenos2 years ago

7 0

i don't see the questions just a little icon of a picture

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Density is ___ to pressure

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Proportional to pressure

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A tissue that has the ability to contract is

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Muscle tissue

Explanation: Muscle tissue is a soft tissue that makes up most of the tissues in the muscles of the human muscular system. It is the only type of tissue that has cells with the ability to contract. Skeletal muscle tissue is attached to bones by tendons.

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In the name carbon dioxide what does the prefix of the second word indicate about a molecule of a dioxide A. It has two carbon a

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Answer:

The answer is option B, that is, it has two oxygen atoms.

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Explain how original mass of dry ice compares with the mass of carbon dioxide gas?

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The freezing temperature at a normal sea level air pressure is negative 78.5 degrees.

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3 years ago

Malic acid, C4H6O5, has been isolated from apples. Because this compound reacts with 2 molar equivalents of base, it is a dicarb

Flura [38]

Answer and explanation:

The attached figure shows five different structures for the chemical formula C4H5O5, but only one of these structures represent the malic acid.

Malic acid is a dicarboxylic acid, this means malic acid has two

-COOH groups. Also, malic acid is a secundary alcohol, which means it has a R2-C-OH group.

-Structure A has two carboxylic groups, but it doesn´t have a secundary alcohol.

-Structure B doesn´t have any caborxylic group.

-Structure C has two carboxylic groups and it is a secundary alcohol. Structure C is the Malic acid

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2 years ago