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Leto [7]
3 years ago
11

True or False? Nitrogen can get back into the atmosphere when dead plants and animals are decomposed by bacteria. The bacteria b

reak down the larger molecules into smaller ones including nitrates, ammonia, and ultimately N2. True or Fralse
Chemistry
2 answers:
Readme [11.4K]3 years ago
6 0

Answer: True

Explanation:

AleksandrR [38]3 years ago
5 0

Answer:

idkkkkkkkklkllkkkkkkkkkkkkkk

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A compound distributes between benzene (solvent 1) and water (solvent 2) with a distribution coefficient, K = 2.7. If 1.0g of th
mote1985 [20]

Explanation:

The given data is as follows.

Solvent 1 = benzene,          Solvent 2 = water

 K_{p} = 2.7,         V_{S_{2}} = 100 mL

V_{S_{1}} = 10 mL,       weight of compound = 1 g

       Extract = 3

Therefore, calculate the fraction remaining as follows.

                  f_{n} = [1 + K_{p}(\frac{V_{S_{2}}}{V_{S_{1}}})]^{-n}

                                  = [1 + 2.7(\frac{100}{10})]^{-3}

                                  = (28)^{-3}

                                  = 4.55 \times 10^{-5}

Hence, weight of compound to be extracted = weight of compound - fraction remaining

                                  = 1 - 4.55 \times 10^{-5}

                                  = 0.00001

or,                               = 1 \times 10^{-5}

Thus, we can conclude that weight of compound that could be extracted is 1 \times 10^{-5}.

7 0
3 years ago
Read 2 more answers
A) 24 g<br> B) 36 g<br> C) 48 g<br> D) 60 g
Hitman42 [59]

Answer:

I'm not sure if this right because i've only taken one year of Chemistry but the answer I got was

A. 24 g

5 0
3 years ago
A quantity of NaCl was dissolved in 100 cm of solution to obtain
soldi70 [24.7K]

Answer:

2.93g

Explanation:first, let us calculate the number of mole of NaCl present in the solution. This is illustrated below:

Molarity = 0.5M

Volume = 100cm^3 = 100/1000 = 0.1L

Mole =?

Molarity = mole /Volume

Mole = Molarity x Volume

Mole of NaCl = 0.5 x 0.1 = 0.05mole

Now we can obtain the mass of NaCl as follows:

Molar Mass of NaCl = 23 + 35.5 = 58.5g/mol

Mole of NaCl = 0.05mol

Mass of NaCl =?

Mass = number of mole x molar Mass

Mass of NaCl = 0.05 x 58.5

Mass of NaCl = 2.93g

7 0
3 years ago
7. The youngest part of the ocean floor is found ____.
aev [14]

Answer:

The answer is Near The Ocean Ridges.

5 0
3 years ago
What are the balanced chemical equations for Hydrochloric acid and potassium hydroxide?
-Dominant- [34]
HCl(aq) + KOH(s) --> KCl(aq) + H2O(l)
7 0
3 years ago
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