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vredina [299]
3 years ago
10

Question:

Chemistry
1 answer:
guajiro [1.7K]3 years ago
6 0

Answer:

What?

Explanation:

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How many moles are there in 100.0 grams of KMnO4
mylen [45]

Answer:

the answer rounded to the nearest hundredth is 0.63

Explanation:

3 0
3 years ago
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
What is percent error calculation used to determine
julsineya [31]
Determining precision for your calculations after you have made calculations for known values.
5 0
3 years ago
A regular 3-d spatial arrangement of points that correspond to atom positions within a crystal is called_______?
Soloha48 [4]

Answer:

Explanation:

Lattice

8 0
2 years ago
Balance the word equation then determine the sum of all coefficients.
Minchanka [31]

The sum of all coefficients = 7

<h3>Further explanation</h3>

Given

The word equation

Required

The sum of all coefficients

Solution

The chemical equation can be expressed in terms of:

  • word equation
  • skeleton equation
  • balanced equation

Convert the word equation into a chemical equation(skeleton) :

Ga + Cl₂ → GaCl₃

Balanced equation

2Ga + 3Cl₂ → 2GaCl₃

The sum of all coefficients :

= 2+3+2

= 7

7 0
3 years ago
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