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Alla [95]
3 years ago
10

Please answer!!!!!!!!!!!!!

Chemistry
2 answers:
Oduvanchick [21]3 years ago
4 0
I believe it’s Decreased Humus
humus is the organic component of soil formed by the decomposition of leaves and other plant material by soil microorganisms
Assoli18 [71]3 years ago
4 0

Answer:

B. Decreased humus

Explanation:

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Calculate the mass of water having same number of hydrogen atoms as are present in the 32gram of methane. Please help me soon...
Ira Lisetskai [31]

Answer:

Explanation:

1 mole of methane = C + H4 = 12 + 4 = 16

32 grams of methane is 32/16 = 2 moles.

1 moles of methane contains 4 moles of hydrogen (CH4). Note the 4 in CH4

2 moles of methane = 8 moles of hydrogen.

H2O has 2 moles of hydrogen

Each mole of water contains 2 moles of hydrogen.

8 moles of hydrogen / 2 moles = 4 moles of water.

6 0
3 years ago
A chemistry student needs of acetone for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student dis
galben [10]

Answer:

The answer is "7.90 \ g".

Explanation:

Please finds the complete question in the attached file.

Volume = 10.0 \ mL \\\\Density =0.79 g\  cm^3

\text{Density}=\frac{Mass}{Volume}

Mass = Density \times Volume

         =(0.790 g\ cm^3) \times 10.0 \ mL\\\\=7.90 \ g

The mass of acetone to be weighed is 7.90 \ g

8 0
2 years ago
If boron atoms have 5 electrons, how many electrons are in the outer electron shell of a boron atom?
ANEK [815]

Answer:

3

Explanation:

The first election shell can only hold 2 electrons, but the next one can hold up to 8

3 0
2 years ago
When a cold front passes, the air temperature should begin to rise true or false?
sleet_krkn [62]
False the opposite should happen!
7 0
3 years ago
Read 2 more answers
Is hydrogen peroxide a element, compound or a mixture?
victus00 [196]

Answer:

hydrogen peroxide is a compound

4 0
3 years ago
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