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Arturiano [62]
3 years ago
6

Why is photosynthesis important to the ecosystem everywhere

Chemistry
1 answer:
topjm [15]3 years ago
7 0

It creates  oxygen which every living thing needs to live. i hope this helps! :)

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In this forest, trees block much of the sunlight from reaching the ground. The branches of trees grow up and out to reach as muc
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3 years ago
If the a of a monoprotic weak acid is 2. 6×10−6, what is the ph of a 0. 33 m solution of this acid?
yawa3891 [41]

The pH of the monoprotic weak acid is 2.79.

<h3>What are weak acids?</h3>

The weak acids are the acids that do not fully dissociate into ions in the solution. Strong acids fully dissociate into ions.

The chemical reaction is HA(aq) ⇄ A⁻(aq) + H⁺(aq).

c (monoprotic acid) = 0.33 M.

Ka = 1.2·10⁻⁶

[A⁻] = [H⁺] = x

[HA] = 0.33 M - x

Ka = [A⁻]·[H⁺] / [HA]

2. 6 × 10⁻⁶ = x² / (0.33 M - x)

Solve quadratic equation: [H⁺] = 0.000524 M.

pH = -log[H⁺]

pH = -log(0.000524 M)

pH = 2.79

Thus,  the pH of the monoprotic weak acid is 2.79

To learn more about weak acids, refer to the below link:

brainly.com/question/13032224

#SPJ4

5 0
2 years ago
To protect yourself from consuming too much _____, you should limit your consumption of swordfish, king mackerel, and shark. a.
Serggg [28]

Answer:

b. mercury

Explanation:

Fishes and some other sea foods are are known to concentrate mercury in their bodies. Consumption of these products gradually accumulate mercury in the body over time.

More specifically, fishes like swordfish, king mackerel and shark are known to concentrate higher amount of mercury than other species of fishes. Hence, limiting their consumption will protect humans from mercury poisoning.

The correct option is b.

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2 years ago
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Answer:

thé answer is b ) electronegativity

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3 years ago
Which type of reaction occurs in the following equation?
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The  type  of  reaction  which  occurs  is  referred to  as  redox  reaction.  This  kind  of  reaction  involve  both  oxidation  and  reduction.
Al(s)  is  oxidized  to  alluminium  ions,  while  cu2+  is reduced  copper metal.Reduction  occurs   at  the  cathode  while oxidation  occurs at  the anode.

3 0
2 years ago
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