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cupoosta [38]
3 years ago
11

The dessert can be harsh environment with extreme heat during the day and cold during the night also there is very little rainfa

ll or water in general in a desert environment
Chemistry
1 answer:
Sphinxa [80]3 years ago
8 0

Answer:

True

Explanation:

The desert refers to a region of arid land which is characterized by extreme temperatures, extreme dryness, low amount of precipitation and generally harsh living conditions. Because of these harsh conditions, they have been tagged with various names ranging from 'Death Valley' to 'the place from where there is no return' etc.

Every desert is made up of 2 components:  the <u>biotic (living) component</u> and the <u>abiotic (non-living) component</u>. The biotic (living) component consists of the plants and animals that have adapted to these harsh living conditions e.g. Cactus or Cacti, Holly plants, Camels, Lizards, Snakes etc. The abiotic (non-living) component consists of climate (subtropical deserts which are extremely cold or temperate deserts which are extremely hot), location, precipitation/rainfall

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What is cogeneration? Cogeneration is a process of producing electricity and ______ simultaneously.
finlep [7]
<h2>Cogeneration is the process of production of electricity from steam and cosuming the waste steam in chemical processes.</h2>

Explanation:

cogeneration prodeuces electricity from steam and uses steam in other chemical reactions simultaneously.

7 0
3 years ago
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(g) The mole fraction of O2 in atmospheric air is 0.21. Calculate the concentration of O2 in a sample of atmospheric air in a 10
irinina [24]

Answer:

The concentration of O₂ in the sample is 5,1x10⁻³ M (mol/L)

Explanation:

To obtain the moles of gas you should use ideal gas formula:

PV/RT = n

Where:

P is pressure: 650 mmHg or 650 mmHg* ( 1 atm / 760 mmHg) = 0,855 atm

V is volume: 10 L

R is gas constant: 0,082 atm·L/mol·K

T is temperature: 160°C or 160 + 273,15 = 433,15 K

And n is mol number

Thus, replacing bold values in ideal gas formula:

n =  0,24 mol

The mole fraction of O₂ in atmospheric air is 0,21. Thus, the moles of O₂ there are:

0,24 moles of atmospheric air ₓ 0,21 = 0,051 O₂ moles

There are many ways to express concentration but we will express it in molarity (mol of solute / L of solution) understanding solute as O₂ and solution as atmospheric air. So:

0,051 O₂ moles / 10 L = 5,1x10⁻³ M -<em>M is molarity</em>-

I hope it helps!

4 0
3 years ago
What is an observation?<br> what is an observation?
allsm [11]

Answer:

Definition: a statement based on something one has seen, heard, or noticed

Explanation:

In my own words it would be something you would have seen or heard.

For example you add salt to a glass of water and stirred it. An observation would be that you watched the salt dissolve in the water.

3 0
3 years ago
What is the mass in grams<br>of 2.25 mol of the element<br>iron, Fe?​
pochemuha

Answer:

126g

Explanation:

Data obtained from the question include:

Mole of Fe = 2.5moles

Molar Mass of Fe = 56g/mol

Mass of Fe =?

Number of mole = Mass/Molar Mass

Mass = number of mole x molar Mass

Mass of Fe = 2.25 x 56

Mass of Fe = 126g

Therefore, the mass in 2.25mol of Fe is 126g

5 0
3 years ago
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A gaseous fluorinated methane compound has a mass of 8.00 g at 2.81 atm and 300. K in a 1.00 L container.
Montano1993 [528]

Answer:

Look at my answer to the last one, and see if you can solve this one on your own!

After you try it, I can let you know if you got it right :)

6 0
3 years ago
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