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HACTEHA [7]
2 years ago
5

The five boxes below represent a geologic cross-section with five layers that represent the rocks as they would from when earth'

s atmosphere was developing (A is on top and E is on the bottom). Label the cross section with the appropriate rock from the word bank below. Then, explain your answer in relation to the history of the earth's atmosphere.
Chemistry
1 answer:
quester [9]2 years ago
7 0

Answer:

A Limestone Layers

B Banded Iron formations

C Metaphoric rocks with fine grains  

D Red Beds

E Chert Layers

Explanation:

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what is the  concentration of a NaCl solution, in Molarity, if you add 59.76 g of NaCl into 270 mL of H2O
enot [183]

Hey there!

Molar mass NaCl = 58.44 g/mol

Number of moles

n =  mass of solute / molar mass

n = 59.76 / 58.44

n = 1.0225 moles of NaCl

Volume in liters:

270 mL / 1000 => 0.27 L

Therefore:

M = number of moles / volume ( L )

M = 1.0225 / 0.27

= 3.78 M

Hope that helps!

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5 0
2 years ago
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mr_godi [17]

Answer:

What elements?

Explanation:

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Not sure if this what you were talking about but here

This from google btw not gonna lie

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