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Andrew [12]
3 years ago
11

Choose two ways carbon returns to nature from animals

Chemistry
1 answer:
SVEN [57.7K]3 years ago
8 0

Answer:

its D and C I did the test

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What is the main difference between scholarly research and scientific research? Scientists wear white coats. One is performed wh
erastovalidia [21]
The last statement is correct...

please vote my answer brainliest. thanks!
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3 years ago
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Which of the following is not a solution? <br> Saltwater<br> Steel<br> Vinegar<br> Granite
pishuonlain [190]
Good evening, Laneyc!

Granite is not known as a solution because it has little pieces inside of it, so it cannot form all the way to an actual "solution".

I hope this answer has satisfied your needs, and if you have anymore questions, feel free to ask. Have a good night!

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2 years ago
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How many grams of water are needed to dissolve 27.8 g of ammonium nitrate NH4NO3 in order to prepare a 0.452 m solution?
Vanyuwa [196]

Answer: 770 g water are needed to dissolve 27.8 g of ammonium nitrate NH_4NO_3 in order to prepare a 0.452 m solution

Explanation:

Molality : It is defined as the number of moles of solute present per kg of solvent

Formula used :

Molality=\frac{n\times 1000}{W_s}

where,

n= moles of solute

Moles of NH_4NO_3=\frac{\text{Given mass}}{\text{Molar mass}}=\frac{27.8g}{80.0g/mol}=0.348moles  

W_s = weight of the solvent in g = ?

0.452=\frac{0.348\times 1000}{W_s}

W_s=770g

Thus 770 g water are needed to dissolve 27.8 g of ammonium nitrate NH_4NO_3 in order to prepare a 0.452 m solution

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3 years ago
You are walking in a clear-cut section of forest a few days after a heavy rainstorm. A nearby stream is very muddy and has many
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the storm knocked down trees creating a dam blocking the path for water to move

Explanation:

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Which principal is exemplified by studying a modern river to learn about how ancient rock layers form?
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