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iren [92.7K]
3 years ago
15

The earth consist of how many chemical layers ?

Chemistry
2 answers:
Pani-rosa [81]3 years ago
8 0
Three. The crust, The mantle. And the core
Lostsunrise [7]3 years ago
6 0
THREE MAIN LAYERS
.Lithosphere (crust)
.Mantle
.core
<span>Now specifically </span>
FIVE LAYERS
.Lithosphere
.outer mantle
.inner mantle
.outer core
<span>.inner core </span>
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Quinine, an antimalarial drug, is 8.63% nitrogen. There are two nitrogen atoms per molecule. What is the molecular weight of qui
Furkat [3]

Answer:

324.18 g/mol

Explanation:

Let the molecular mass of the antimalarial drug, Quinine is x g/mol

According to question,

Nitrogen present in the drug is 8.63% of x

So, mass of nitrogen = \frac {8.63}{100}\times x

Also, according to the question,

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Mass of nitrogen = 14.01 amu = 14.01 g/mol (grams for 1 mole)

So, mass of nitrogen = 14.01×2 = 28.02

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6 0
3 years ago
Of the colors on the visible light spectrum, which one has the longest wavelength, lowest frequency, and lowest energy?
Elenna [48]

Answer:

Red

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Blue - 440 - 490 nm

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Orange - 585 - 620 nm

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I hope this helps and that you have a great day! :)

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