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Sloan [31]
3 years ago
5

A student makes a list of all the soil layers in a temperate region Which layer would be located farthest from the surface of th

e
Earth?

Obedrock (R)

topsoil (A)

organic layer (0)

parent material (C)
Chemistry
1 answer:
Novay_Z [31]3 years ago
5 0

Answer: Bedrock

Explanation: Bedrock is the lowest layer of rock

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Explanation:

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In the balanced reaction below, what is the mole ratio comparing iron (Fe) and oxygen gas (O2)?
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The given balanced reaction is,

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The stoichiometric coefficients of each element or compound represents the number of moles of that element or compound required for the complete reaction to take place.

The mole ratios of different products and reactants will be:

\frac{Fe}{O_{2}} = \frac{4 mol Fe}{3 mol O_{2}}

\frac{Fe}{Fe_{2}O_{3}} = \frac{4 mol Fe}{2 Fe_{2}O_{3}}

\frac{O_{2}}{Fe_{2}O_{3}} =\frac{3 mol O_{2}}{2molFe_{2}O_{3}}

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4 : 3

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3 years ago
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Where are the electrons found in Bohr's atomic model?
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Answer:

In the shell...

Explanation:

In the electronic shell, or the orbit..

Bohr's Atomic Model was given by Niels Bohr. He proposed that the electrons inside an atom moved around in orbits or shells. There were different shells in the atom named as K, L, M, N... These were also called energy levels...

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3 years ago
A 200. 0-ng sample of sodium-24 was stored in a lead-lined cabinet for 45 hours. The half-life of sodium-24 is 15 hours. How muc
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25 gm would be left

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