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GrogVix [38]
3 years ago
13

What is electrophoresis? A. a technique that separates amino acids on the basis of their polarity B. a technique that separates

amino acids on the basis of their solubility in water C. a technique that separates amino acids on the basis of their pI values D. a technique that separates amino acids on the basis of pKa of -COOH values E. a technique that separates amino acids on the basis of pKa of -+NH3 values
Chemistry
1 answer:
Vikki [24]3 years ago
8 0

Answer:

A. a technique that separates amino acids on the basis of their polarity

Explanation:

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1What is ""Fremy's salt""? Write the molecular formula of Fremy's salt. Write the structure of the product obtained from phenol.
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Answer and Explanation:

The Fremy salt is a chemical compound its chemical name is disodium nitrosodisuphonate

The molecular formula of the Fremy salt is K_2NO(SO_3)_2

When phenol is treated with Fremy salt in presence of water then benzoquinone is formed

C_2H_5OH\rightarrow C_6H_4O_2 ( in presence of Fremy salt and water)

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Answer:

0.479 M or mol/L

Explanation:

So Molarity is moles/litres of solution...often written as M=mol/L

So here we are given grams of BaCl2 which we have to convert to moles. To convert to moles of BaCl2 we have to divide 63.2 g BaCl2 by molar mass of BaCl2 which is 208.23 g/mol so you get 63.2/208.23 = 0.3035 moles of BaCl2

Second step is converting the 634mL to litres by simply dividing by 1000 because we know 1 litre has 1000ml so 634/1000 = 0.634L

Now we just plug these guys in our molarity formula M=mol/L

M= 0.3035/0.634 = 0.479 M or mol/L

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Answer:

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3.exothermic

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