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3 years ago

Be sure to answer all parts. Rank the following groups in order of decreasing priority: A. −COOH B. −H C. −NH2 D. −OH

Chemistry

1 answer:

mario62 [17]3 years ago

8 0

Explanation:

More is the mass of directly attached atom more will be the priority of the group attached to the alkyl or aryl chain.

Atomic mass of oxygen is 16, nitrogen is 14, carbon is 12, and hydrogen is 1.

This means that as the atomic mass of oxygen is greater than rest of the given atoms. So, priority will be given to the oxygen atom.

Thus, we can conclude that the given groups are placed in order of decreasing priority as follows.

-OH > $-NH_{2}$ > -COOH > -H

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The human body can get energy by metabolizing proteins, carbohydrates or fatty acids, depending on the circumstances. Roughly sp

Kamila [148]

Answer:

the ratio of the energy the body gets metabolizing each gram of alanine to the energy the body gets metabolizing each gram of glucose is 1.0111

Explanation:

Given the data in the question;

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Molar mass of alanine ( C₃H₇NO₂ ) = 89.09 g/mol

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now, { metabolizing each gram }

moles of alanine = mass taken / molar mass

= 1g / 89.09 g/mol = 1/89.09 moles

moles of glucose = mass taken / molar mass

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In each molecule of alanine, we have 3 atoms of carbon.

Also, in each molecules of glucose, we have 6 atoms of carbon

so,

number of moles of Carbons in alanine = 3 × 1/89.09 moles = 0.03367

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