3 years ago

Give me some examples of why is it important to understand how ocean currents flow.

1 answer:

8 0

Answer:

By moving heat from the equator toward the poles, ocean currents play an important role in controlling the climate. Ocean currents are also critically important to sea life. They carry nutrients and food to organisms that live permanently attached in one place, and carry reproductive cells and ocean life to new places.

Explanation:

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Exactly 15.0 g of a substance can be dissolved in 150.0 g of water what is the solubility of the substance in grams per 100 g of

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13. Fill in the following table

Mandarinka [93]

Answer:

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Explanation:

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A chemist measures the energy change ?H during the following reaction:

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Answer:

(A) endothermic

(A) Yes, absorbed

Explanation:

Let's consider the following thermochemical equation.

2 Fe₂O₃(s) ⇒ 4 FeO(s) + O₂(g) ΔH = 560 kJ

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560 kJ are absorbed when 2 moles of Fe₂O₃ react.
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Suppose 66.6 g of Fe₂O₃ react. The heat absorbed is:

$66.6g.\frac{1mol}{160g} .\frac{560kJ}{2mol} =117kJ$

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Write the equation that shows how phosphate ions react with calcium ions in hard water to form an insoluble precipitate.

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