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Lady bird [3.3K]
3 years ago
9

Which part of a cell directs the cell's activities and holds its DNA?

Chemistry
2 answers:
neonofarm [45]3 years ago
4 0

Answer:

Nucleus is the answer

A micrograph of animal cells, showing the nucleus (stained dark red) of each cell. Known as the cell's “command center,” the nucleus is a large organelle that stores the cell's DNA (deoxyribonucleic 

rewona [7]3 years ago
3 0

Answer:

<em>nucleus </em><em> </em><em>is </em><em>the </em><em>part </em><em>of </em><em>a </em><em>cell </em><em>directs </em><em>the </em><em>cells</em><em> </em><em>Activities</em><em> </em><em>and </em><em>holds</em><em> </em><em>it's</em><em> </em><em>DNA</em>

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Answer:

62.5 moles of O₂.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

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From the balanced equation above,

2 moles of C₈H₁₈ reacted with 25 moles of O₂.

Finally, we shall determine the number of mole of O₂ needed to react with 5 moles of C₈H₁₈. This can be obtained as shown below:

From the balanced equation above,

2 moles of C₈H₁₈ reacted with 25 moles of O₂.

Therefore, 5 moles of C₈H₁₈ will react with = (5 × 25) / 2 = 62.5 moles of O₂.

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\boxed{\text{40 mol Al}}

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