3 years ago

How do artificial reefs positively affect the ocean system

1 answer:

8 0

They provide a place for marine life to flourish, that would otherwise most-likely go extinct because of the constant decrease of natural reefs in our oceans.

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Answer:

773.51495 grams

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1 moles KBr to grams = 119.0023 grams

6.5*119.0023 = 773.51495 grams

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2 years ago

Two students made the Lewis dot diagrams of H2O. The diagrams are as shown.

netineya [11]

Answer:

Only student A

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3 years ago

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I have two solutions. In the first solution, 1.0 moles of sodium chloride is dissolved to make 1.0 liters of solution. In the se

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Consider an element Z that has two naturally occuring isotopes with the following percent abundances: the isotope with a mass nu

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Z=22.70

Explanation:

It is given that,

An element Z that has two naturally occurring isotopes with the following percent abundances as follows :

The isotope with a mass number 22 is 65.0% abundant; the isotope with a mass number 24 is 35.0% abundant.

The average atomic mass for element Z is given by :

$Z=\dfrac{22\times 65+24\times 35}{100}\\\\Z=22.7$

So, the average atomic mass for element Z is 22.70.

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3 years ago

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Explanation:

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