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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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A mixture of chalk powder and water can be
grin007 [14]

Answer:

<h3>Right answer is: ( a) chalk powder remains suspended in water.</h3>

Explanation:

Filtration is the technique used to separate suspended solute particles from a solution . The chalk powder remains suspended in the solution and can easily be filtered through a filter paper , the chalk powder can be collected on the filter paper and clear solvent is collected as the filtrate.

4 0
3 years ago
How can you measure the volume of air inside of a balloon?
Pani-rosa [81]

You could let the air out of the balloon while it is under the water with a container filled with water upside down over it. And measure the water displacement.

8 0
2 years ago
Write the balanced chemical equation for the reaction shown here. answer chemistry
Aliun [14]
I found the attached image with the same statement of your question and think it may be very useful for you that I use it to show how to answer this question (furthermore I think it may be the same reaction that you forgot to include).

As you can see, there are one image on the left side and other image on hte right side of the figure.

Those images contains drawings that represent molecules and a legend that permit you to distinguish the kind of atoms in each molecule.

Using that, you can indicate the chemical reaction as the transformation of the molecules on the left side onto the molecules on the right side:

Left side:

3 molecules of CH4 and 3 molecules of N2Cl4

Right side:

3 molecules of CCl4, 3 molecules of N2 and 6 molecules of H2

That is represented as:

3CH4 + 3 N2Cl4 -----> 3 CCl4 + 3N2 + 6H2

And that is the balanced chemical equation for the reaction shown in the figured attached.

I hope this is useful for you..






7 0
3 years ago
How many neutrons in an atom of 30p? O a. 17 O b. 30.974 O c. 15 O d. 14 O e. 16
jeyben [28]

Answer:

The correct option is: c. 15

Explanation:

Phosphorous is a chemical element which belongs to the group 15 of the periodic table and has atomic number 15. It is a highly reactive non-metal of the p-group.  

Since, atomic number of an atom is the number of electrons and number of protons for neutral atoms.

So, the number of protons = number of electrons = 15

The atomic mass is obtained by adding the number of neutrons and the protons.

So, number of neutrons + number of protons = 30

So, number of neutrons + 15 = 30

Therefore, the number of neutrons in ³⁰P = 15

6 0
3 years ago
Hen solid kbr is dissoved in water, the solution gets colder. this is an example of a(n) ________ reaction.
Sonja [21]
Endothermic reactions. These are reactionsthat take in energy from the surroundings. The energy is usually transferred as heat energy, causing the reaction mixture and its surroundings to get colder
7 0
3 years ago
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