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ddd [48]
3 years ago
11

What is a ecosystems​

Chemistry
2 answers:
Maslowich3 years ago
7 0

Answer:

a community or group of living organisms that live in and interact with each other in a specific environment.

Explanation:

DIA [1.3K]3 years ago
6 0

Answer:

<em>Hi! Todoroki here</em>

Explanation:

a biological community of interacting organisms and their physical environment.

<em>Your Welcome Have a Great Day!!!1</em>

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How many moles of Chromium is in 4.41 ×10^24 atoms
zalisa [80]

7.32 moles of Chromium is present in 4.41 × 10²⁴ atoms.

<h3>How to find the number of moles ?</h3>

Number of moles = \frac{\text{Given number of atoms}}{\text{Avogadro's Number}}

     

<h3>What is Avogadro's Number ?</h3>

Avogadro's number is the number of particles in one mole of substance. 6.022 × 10²³ is known as Avogadro's Constant / Avogadro's Number.

Avogadro's Number = 6.022 × 10²³

Now put the values in above formula we get

Number of moles = \frac{\text{Given number of atoms}}{\text{Avogadro's Number}}

                             = \frac{4.41 \times 10^{24}}{6.022 \times 10^{23}}

                             = 7.32 moles

Thus from the above conclusion we can say that 7.32 moles of Chromium is present in 4.41 × 10²⁴ atoms.

Learn more about the Avogadro's Number here: brainly.com/question/1581342

#SPJ1

3 0
2 years ago
Ammonia and sulfuric acid react to form ammonium sulfate. Determine the starting mass of each reactant if 20.3 g of ammonium sul
strojnjashka [21]
Hope you are able to see

8 0
3 years ago
Transferring or sharing electrons between atoms forms
3241004551 [841]
It forms something called a bond.
4 0
3 years ago
Which of the following compounds most likely has the least bond energy?
Evgesh-ka [11]

Answer:

I2; I–I bond length = 266 pm

Explanation:

Bond length is inversely related to bond strength. The longer the bond length, the weaker the bond. The shorter the bond length the stronger the bond. A large bond distance implies that there is poor interaction between the atoms involved in the bond. A long bond distance or bond length may even indicate the absence of covalent interaction between the atoms involved.

4 0
3 years ago
Black coffee has a pH of around 5. Since pH and pOH have an inverse relationship, black coffee has a pOH of ___.
Anon25 [30]

Answer:

pOH = 9.

Explanation:

The inverse relationship between the pH and pOH of any given solution can be written as:

pH = 14 - pOH

Or conversely:

pOH = 14 - pH

With the above information in mind we can <u>use the given pH to calculate the pOH</u>:

pOH = 14 - pH

pOH = 14 - 5

pOH = 9

Thus, black coffee has a pOH of 9.

5 0
3 years ago
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