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Inessa [10]
2 years ago
11

57.A cofactor is a(an)

Chemistry
1 answer:
Rudik [331]2 years ago
3 0

A cofactor is an organic or inorganic molecule or ion necessary for proper functioning of some biological catalysts (option E).

<h3>What is a cofactor?</h3>

A cofactor in biochemistry is a molecule that binds to and regulates the activity of a protein.

A cofactor is a metal or coenzyme responsible for the functioning of an enzyme and must be present.

Therefore, a cofactor is an organic or inorganic molecule or ion necessary for proper functioning of some biological catalysts.

Learn more about cofactors at: brainly.com/question/13004767

#SPJ1

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Calculate the molality of a 5.73 M ethanol (C2H5OH) solution whose density is 0.9327 g/mL.
Natalka [10]

Answer:

Molality = 8.57 m

Explanation:

Given data:

Molarity of solution = 5.73 M

density = 0.9327 g/mL

Molality of solution = ?

Solution:

Molality = moles of solute / kg of solvent.

Kg of solvent:

Mass of 1 L solution = density× volume

Mass of 1 L solution = 0.9327 g/mL × 1000 mL

Mass of 1 L solution = 932.7 g

Mass of solute:

Mass of 1 L = number of moles  × molar mass

Mass = 5.73 mol  × 46.068 g/mol

Mass = 263.97 g

Mass of solvent:

Mass of solvent = mass of solution - mass of solute

Mass of solvent = 932.7 g - 263.97 g

Mass of solvent = 668.73 g

In Kg = 668.73 /1000 = 0.6687 Kg

Molality:

Molality = number of moles of solute / mass of solvent in Kg

Molality = 5.73 mol /  0.6687 Kg

Molality = 8.57 m

4 0
3 years ago
A pool owner adds a compound containing chlorine to the pool to disinfect it. However, too much of the compound is added. As a r
MrMuchimi

Answer: He could add a base to the pool to neutralize the acid.

Explanation:

Chlorine is used to disinfect the pools as it produces hypochlorous acid in water. This hypochlorous acid is unstable and gives hydrochloric acid and nascent oxygen which is used to disinfect.

Cl_2+H_2O\rightarrow HOCl

HOCl\rightarrow HCl+O

The excess acid is neutralized by adding base which produces salt and water and thus decrease the acidity.

Acid+Base\rightarrow Salt+water

Adding more acid would increase the acidity further.

3 0
3 years ago
Read 2 more answers
How could you separate a mixture of acetone and a-naph<br>thol
Ganezh [65]
You could use distillation.

Hope this helps
7 0
3 years ago
List examples of organisms from the movie that represent each of the six kingdoms. Monera (Archaebacteria/Eubacteria): Protista:
miv72 [106K]

Answer:

Animalia: Nemo

Plantae: coral

Fungi: algae

Your on your own for the rest ‍♀️

8 0
3 years ago
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I NEED IT RN PLSS TY
nikdorinn [45]

Answer:

Option A is definitely the correct answer.

Explanation:

from my analysis

( Just fill those words into each dash or empty space accordingly as you saw it )

Good luck

8 0
2 years ago
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