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Dmitry_Shevchenko [17]
2 years ago
8

Scurvy results in weakness in collagen fibers because the enzymes that catalyze ________ of proline and lysine residues in colla

gen require Vitamin C.
Chemistry
1 answer:
ValentinkaMS [17]2 years ago
5 0

Answer:

<u><em>Hydroxylation </em></u>

Explanation:

Hydroxylation is a chemical process that introduces a hydroxyl group (-OH) into an organic compound. In biochemistry, hydroxylation reactions are often facilitated by enzymes called hydroxylases. Hydroxylation is the first step in the oxidative degradation of organic compounds in air.

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What is the name of a number with a fixed value in a specific mathematical context?
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In an experiment, 34.8243g of copper (II) nitrate hydrate, Cu(NO3)2•zH2O was heated to a constant mass of 27.0351g. Calculate th
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Answer:

1) The mass of water lost = 7.7892 grams

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Explanation:

<u>Step 1: </u>Data given

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<u>Step 2:</u> Calculate mass of water

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Mass water = 34.8243 - 27.0351 = 7.7892 grams of water

<u>Step 3:</u> Calculate moles of Cu(NO3)2

Moles Cu(NO3)2 = Mass Cu(NO3)2 / Molar mass Cu(NO3)2

Moles Cu(NO3)2 = 27.0351 grams / 187.56 g/mol

Moles Cu(NO3)2 = 0.144 moles

<u>Step 4:</u> Calculate moles of H2O

Moles H2O = 7.7892 grams / 18.02 g/mol

Moles H2O = 0.432 moles

<u>Step 5:</u> Calculate Z

z = moles H2O / moles Cu(NO3)2

Z = 0.432/0.144

Z = 3

This means we have 3 water molecules in the formula. This makes the formula ofthe hydrate: Cu(NO3)2*3H2O

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