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const2013 [10]
3 years ago
5

A scientist evaluates its livestock and determines which livestock it is

Chemistry
1 answer:
Rina8888 [55]3 years ago
4 0

Any animals look for steangth mostly because the offspring can probobly onther trait is looks. The male will try to impess the female.

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Is a substance that a filter can seperate into two parts a mixture or a pure substance?
jok3333 [9.3K]
Mixture. Mixtures can be separated into their component parts, while substances are chemically bonded atoms that can't be separated by physical means.
7 0
3 years ago
Suppose you are trying to separate three Proteins using Gel-Filtration chromatography. The sizes of each are given below:
Damm [24]

<u>Answer:</u> The correct answer is Protein B.

<u>Explanation:</u>

Gel-filtration chromatography is a separation technique that is based on the size of the molecules in a compound. It is also known as size-exclusion chromatography in which the eluent (carrier) used is an aqueous solution.

The matrix that is used is a porous material. When the sample is inserted in the column, the smaller particles interact strongly with the matrix than the large ones. Thus, as the eluent is passed through the matrix, larger molecules come out first, and the smallest molecule comes out last.

Given sizes of the proteins:

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As protein B has the largest size of all the given proteins, it will emerge out first from the column.

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3 0
2 years ago
In general, which of the following statements about electron-pair geometries is true?
Sergio [31]

Answer:

same

Explanation:

3 0
3 years ago
Explain why an insoluble compound added to water is considered a nonelectrolyte.
DaniilM [7]

Explanation:

A non-electrolyte is defined as a solution which does not contain any ions and hence, it is unable to conduct electricity.

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As electricity is the flow of ions or electrons. So, a non-electrolyte solution is not able to conduct electricity.

Similarly, a compound that is insoluble in water will not dissociate into ions. Hence, this type of solution will not be able to conduct electricity.

8 0
3 years ago
Ralph's friend invited him to attend a hard rock concert. Ralph did not want to go because he assumed other people who attended
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Answer:

Prejudice

Explanation:

8 0
3 years ago
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