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meriva
3 years ago
5

What do i need to do

Chemistry
2 answers:
aalyn [17]3 years ago
8 0

Answer:

The answer is C for 1 for 2 its B

Rufina [12.5K]3 years ago
7 0

Answer:

2. C population

3. C population

4. A community

5. B ecosystem

6. B how organisms interact

Explanation:

Yes, both 2 and 3 have the same answer. Im very sure that the correct answer.

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what is the oxidation state of each element in coh2? c o h what is the oxidation state of each element in febr3? fe br
fgiga [73]

The oxidation state of the elements  in the compounds are:

CoH₂:

  • Co = +2
  • H = -1

FeBr₃:

  • Fe = +3
  • Br = -1

<h3>What is the oxidation states of the elements in the given compounds?</h3>

The oxidation states of the elements in each of the given compounds is determined as follows:

Cobalt dihydride, CoH₂

Co = +2

H = -1

Iron (iii) bromide, FeBr₃

Fe = +3

Br = -1

In conclusion, the oxidation state of the elements are charges they have in the compound.

Learn more about oxidation state at: brainly.com/question/27239694

#SPJ1

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2 years ago
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"NH4+ <----> NH3 + H+  

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5.56 x 10^-10 = x^2 / 0.20-x  

x = [H+] =1.1 x 10^-5 M  

pH = 5.0"

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3 years ago
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Isn’t it just 3 mols?
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