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3 years ago

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Match the formula to the correct name. (3 points) 1. LiClO4 2. LiCl 3. LiClO2 a. Lithium perchlorate b. Lithium chloride c. Lith

ium chlorite

2 answers:

Sedaia [141]3 years ago

8 0

One is A, two is C, three is B.

svp [43]3 years ago

5 0

Answer: the answer to number 1 is a. number 2 is b. number 3 is c.

Explanation:

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Alpha helices are a type of secondary structure in proteins. What is the length of a 27.0 kDa single‑stranded α‑helical protein

iogann1982 [59]

Answer : The length of protein will be, 36.8 A⁰

Explanation :

First we have to calculate the amino acid residue.

$\text{Amino acid residue}=\frac{\text{Length of single strand of protein}}{\text{Mean residue mass}}$

Given:

Length of single strand of protein = 27.0 kDa

Mean residue mass = 110 Da

$\text{Amino acid residue}=\frac{27.0kDa}{110Da}=\frac{27000Da}{110Da}=245.4$

Now we have to calculate the number of turns in protein.

$\text{Number of turns in protein}=\frac{\text{Amino acid residue}}{3.6\text{amino acid per turn of the alpha-helix}}$

As there are 3.6 amino acid per turn of the alpha-helix.

$\text{Number of turns in protein}=\frac{245.4}{3.6}=68.17$

Now we have to calculate the length of the protein.

$\text{Length of protein}=\text{Number of turns in protein}\times \text{Length of each turn}$

As, we know that the length of each turn = 0.54 A⁰

$\text{Length of protein}=68.17turns\times 0.54\AA=36.8\AA$

Thus, the length of protein will be, 36.8 A⁰

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2 years ago

How much do 7.83 × 10^22 molecules of water weigh? Answer in units of g.

____ [38]

<span>The answer I think is, 7.83E22.</span>

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2 years ago

Is combing our hair a physical change or a chemical change ?

Levart [38]

Answer:

Combing of people or your hair is a chemical change and it is advisable to do so

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1 year ago

How many molecules are in 2.00 miles of h2o

GalinKa [24]

There are 6.002 molecules

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2 years ago

The-------------------------------is the temperature when the gas becames a liquid

SOVA2 [1]

Boiling point

Explanation:

The boiling point is the temperature when a gas becomes a liquid.

Our view of the boiling point is both ways.

The temperature needed to convert a liquid to gas is the boiling point. This what causes vaporization and state change from liquid to gas.

Also, when a gas is cooled to its boiling point, it will become a liquid or condenses.

This is what happens in the atmosphere to form precipitation we know as rainfall.

learn more:

Boiling point brainly.com/question/9529654

#learnwithBrainly

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2 years ago