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Virty [35]
2 years ago
8

Wood and a cement block are considered to be transparent and are good conductors of electricity.

Chemistry
1 answer:
Tanzania [10]2 years ago
3 0

Answer:

ITS FALSE electricity doesn't travel through wood same with cement!

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Alpha helices are a type of secondary structure in proteins. What is the length of a 33.0 kDa single‑stranded α‑helical protein
WARRIOR [948]

Answer:

450 Å

Explanation:

The amino acids in an α-helix are arranged in a right-handed helical structure where each amino acid residue corresponds to a 100° turn in the helix, and a translation of 1.5 Å (0.15 nm) along the helical axis

Mass of protein= 33.0 kDa

33.0 kDa ×(1000Da/kDa) × ( 1 residue/ 110 Da)

=33.0 ×1000 × 0.0091

= 300 residues

300 residues × (1.5Å /residue)

=450 Å

7 0
3 years ago
Which of the following is necessary to do a complete stoichiometric calculation? A) Add the nuclear masses of the products.
Katena32 [7]

Answer:

Option (C). Write the complete balanced chemical equation.

Explanation:

Writing a balanced chemical equation is the key to arriving at the correct stoichiometric calculations because it gives a fore knowledge of the correct amount of reactants needed to generate a predicted products for a given reaction

5 0
3 years ago
You decide to establish a new temperature scale on which the melting point of ammonia (-77.75 ∘c) is 0∘a, and the boiling point
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First we need to know that the boiling point of water in C is 100 and we just need to solve for x in the equation:

-33.75-(-77.75) / 100 = 100-(-77.75) / x
44.4/100 = 177.75 / x
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The boiling point of water in ∘a would be 400.33∘a.

7 0
2 years ago
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Which of the following characterizes an ionic bond?
velikii [3]

Answer:

option A

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2 years ago
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Give the name of one or more polysaccharides that matches each of the following descriptions:
adell [148]

Answer:

A Cellulose not digested by humans.

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D Glycogen and starch are highly branched polysaccharides.

Explanation:

8 0
2 years ago
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