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Licemer1 [7]
3 years ago
5

Explain the four phases of cell division

Chemistry
2 answers:
LekaFEV [45]3 years ago
5 0

Mitosis takes place in four stages: prophase (sometimes divided into early prophase and prometaphase), metaphase, anaphase, and telophase.

Mitosis is the process in which the nucleus of a eukaryotic cell divides. During this process, sister chromatids separate from each other and move to opposite poles of the cell. This happens in four phases, called prophase, metaphase, anaphase, and telophase

Anon25 [30]3 years ago
3 0

Answer:

The four phases of cell division are prophase, metaphase, anaphase and telophase.

Explanation:

During the prophase, mitotic spindle begins to form. the chromosomes start to condence and the nucleus disappears.

During the metaphase, the chromosomes align themselves in the moddle of the cell. They form a metaphase plate by this alignment.

During anaphase, the sister chromatids are pulled towards the opposite poles by the microtubules.

During the telophase,  chromatids have been equally divided to each part. Hence, the mitotic spindle breaks down. Nuclear membranes forms again around the two daughter cells.

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Is krypton a non-reactive, highly reactive, or radioactive?​
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When electrons move closer to a more electronegative atom, what happens? the more electronegative atom is _____?
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3 years ago
Zn +
saul85 [17]

Answer:

1. Theoretical yield = 2.03g

2. Actual yield 1.89g

Explanation:

Let us write a balanced equation. This is illustrated below:

Zn + 2HCI —> ZnCl2 + H2

Molar Mass of HCl = 1 +35.5 = 36.5g/mol

Mass of HCl from the balanced equation = 2 x 36.5 = 73g

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1. From the equation,

73g of HCl produced 2g of H2.

Therefore, 74g of HCl will produce = (74 x 2)/73 = 2.03g

Therefore, theoretical yield = 2.03g

2. %yield = 93%

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Actual yield =?

%yield = Actual yield /Theoretical yield x100

Actual yield = %yield x theoretical yield

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Actual yield =1.89g

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