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Dmitry_Shevchenko [17]
3 years ago
6

What factors affect the vegetation of a place?

Chemistry
1 answer:
ale4655 [162]3 years ago
7 0

Answer:

climate ,soils,nature of the surface and man

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A gas occupies a volume of 180 mL at 35oC and 740 mmHg. What is the volume of the gas at STP?
Tasya [4]

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there you go

Explanation:

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The reduction of 3-pentanone with hydrogen in the presence of a nickel catalyst will yield The reduction of 3-pentanone with hyd
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d. diethyl alcohol

Explanation:

When ketones undergo reduction, they produce 2° alcohol, and 3-pentanone will produce dimethl alcohol as the secondary (2°) alcohol

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A chemist needs 1.25 moles of sugar to dissolve in 1 liter of water how many grams of sugar needed
sdas [7]

Answer:

The mass of sugar used is 427.5 grams.

Explanation:

The formula of common sugar is \mathrm{C_{12}H_{22}O_{11}}.

Its molar mass of molecule is 342 grams per mole.

The number of moles of sugar used is equal to '1.25'

\mathbf{Mole=\frac{Mass \ given \ in \ grams}{Molar \ mass \ of \ molecule \ in \ grams}}

\textrm{Mass in grams}=\textrm{Mole} \times \textrm{Molar mass of molecule in grams}

\textrm{Mass in grams}= 1.25\times342

\mathbf{Mass \ in \ grams=427.5 g}

(NOTE : <em>You can calculate molar mass by adding the mass of all the atoms present in the atom. </em>

<em>Mass of Oxygen (O) = 16  ;  Total number of Oxygen atoms present = 11</em>

<em>Mass of Hydrogen (H) =1  ;  Total number of Hydrogen Atoms present = 22</em>

<em>Mass of Carbon (C) = 12   ;  Total number of Carbon atoms present = 12</em>

<em>Total mass of molecule = 12 × 12 + 1 × 22 + 16 × 11 = 342</em>)

4 0
3 years ago
Which body system carries nutrients to the cells of the body?Answer options with 5 optionsA.circulatory systemB.digestive system
Lelechka [254]

Answer:A. Circulatory system

Explanation:

After food get digesting the The nutrients gets transported to cells by the blood stream.

8 0
3 years ago
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The answer to  this is C.
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