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Llana [10]
4 years ago
14

Study the image of this rock.

Chemistry
1 answer:
AlladinOne [14]4 years ago
5 0

Answer:

The characteristic best supports its formation from  sedimentary processes is "It has many layers."

Explanation:

When sediments deposit and solidifies then it results in the formation of sedimentary rocks.The given picture shows that this rock has many horizontal lines of different width and color. This shows that this rock is formed by many different layers. Thus, we can conclude that the characteristic which best supports its formation from sedimentary processes is that it has many layers. The layers present gives us an idea about the past events that has occurred for the formation of the or the deposition of the sedimentary rock.

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Which of the following statements best compares the pH value of H3PO4 and HCl?
wel

Answer:

Option B. Both have a pH less than 7, but H3PO4 has a lower pH than HCl

Explanation:

Those are acid, so the pH would be < 7.

H₃PO₄ is a weak acid with 3 dissociations

HCl is a strong acid.

pH depends on [H]⁺

H₃PO₄  →  3H⁺  +  PO₄⁻³

HCl →  H⁺  +  Cl⁻

If both acid, have the same concentration, [H⁺]H₃PO₄ > [H⁺]HCl, that's why the pH from the phosphoric will be lower.

5 0
4 years ago
6Na(s) + N2(g) --&gt; 2Na3N(s)
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Answer:

 80.0 g Na and 20.0 g N2.

Explanation:

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7 0
2 years ago
What is the mass of 0.28 mole of iron?
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Answer:

Your answer should be 15.68 grams.

Explanation:

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6 0
3 years ago
In a coffee-cup calorimeter, 100.0 g of H2O and 8.70 grams of Na3PO4 are added. The water had an initial temperature of 24.6 oC.
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Answer:

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Explanation:

3 0
3 years ago
5.58e-18 + 8.65e-13 / -8.76e+06
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Answer:

this is the answer:

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Explanation:

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