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Vikentia [17]
3 years ago
5

What is one important role that ocean waters have in heating Earth?

Chemistry
1 answer:
Talja [164]3 years ago
6 0

Answer:

Ocean temperature plays an important role in the Earth's climate system—particularly sea surface temperature (see the Sea Surface Temperature indicator)—because heat from ocean surface waters provides energy for storms and thereby influences weather patterns.

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Aluminum is an element. Which best describes what makes up a sample of aluminum?
sp2606 [1]
I believe the answer is A.
4 0
3 years ago
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1 2 3 4 5 6 7 8 9 10 Sheri studies to get good grades because this is what her parents expect of her. She wants to make them pro
Ksju [112]
I'd say D none of these
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3 years ago
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Which of the elements below has the greatest electronegativity? <br> He <br> F <br> Fr <br> Rn
Law Incorporation [45]

F.
it's the greatest electron "hogger"
as you get closet to it, the stronger the electro negitivity.
He is halogen : they don't like to gain electrons. they are already stable.

Fr and Rn
are metals as far is I can remember. they would prefer losing electrons.
3 0
3 years ago
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What quantity of copper is deposited by the same quantity of electricity that deposited 9g of aluminum
klio [65]

Answer:

Mass of copper deposited = 31.75 g

Explanation:

According to Faraday's second law of electrolysis, when the same quantity of electricity is passed through different electrolytes, the relative number of moles of the elements deposited are inversely proportional to the charges on the ions of the elements.

From this law, it can be seen that the higher the charge, the lower the number of moles of a given element deposited.

Number of moles of aluminium in 9 g of aluminium = mass / molar mass

Molar mass of aluminium = 27 g

Number of moles of aluminium = 9/27 = 1/3 moles

Charge on aluminium ion = +3

3 moles of electrons will discharge 1 mole of aluminium,

1 mole of electrons will discharge 1/3 moles of aluminium

Number of moles of electrons involved = 1 mole of electrons

Charge on copper ion = +2

1 mole of electrons will discharge 1/2 moles of copper.

Mass of 1/2 moles of copper = number of moles × molar mass of copper

Molar mass of copper = 63.5 g

Mass of copper deposited = 1/2 × 63.5 = 31.75 g

3 0
3 years ago
Which of the following correctly shows the flow of energy in a food chain
lara [203]

The direction of energy flow in simple food chain is always sun=> plants( producers)=> primary consumers=> secondary consumers=> tertiary consumers, than finally after death of an organism, to decomposers

3 0
3 years ago
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