3 years ago

Describe outer core.

1 answer:

7 0

Earth's outer core is a fluid layer about 2,400 km (1,500 mi) thick and composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle. Its outer boundary lies 2,890 km (1,800 mi) beneath Earth's surface. ... Unlike the inner (or solid) core, the outer core is liquid. Hope this helps

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What is the overall charge of the compound frbr

sammy [17]

Answer:

Zero

Explanation:

FrBr is an ionic compound .

Fr is in Group 1. Br is in Group 17.

The charges on the ions are +1 and -1, respectively.

The compound consists of Fr⁺Br⁻ ions.

However, there are equal numbers of + and - charges, so

The overall charge of the compound is zero.

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3 years ago

The main function of a producer in an ecosystem is

jok3333 [9.3K]

Answer:

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Explanation:

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What mass of compound must be weighed out to have a 0.0223 mol sample of H2C2O4 (M=90.04 g/mol)?

rodikova [14]

Mass of H2C2O4 :

mm = 90.04 g/mol

number of moles : 0.0223 moles

m = n * mm

m = 0.0223 * 90.04

m = 2.007 g

hope this helps!.

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3 years ago

4. This is the idea that energy can be transformed from one form to another, but it

nordsb [41]

Answer:

Law of Conservation of Energy

Explanation:

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3 years ago

What is a diatom?

mezya [45]

Answer:

a molecule with two of the same element

Explanation:

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2 years ago