Coal
Coal is a sedimentary rock that is made from mostly plant debris. This debris is usually formed in a swampy environment and is usually mined and used for fuel! Hope this helps!
<h2>
Answer</h2>
The volume will be<u> 50 L</u>
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Explanation</h2>
From Kelvin Law of Temperature, we know that

We know that
= 200 L
= 100 K
= 400 K
So,



The answer of the givern question is 50L
solution:
the change in the boiling point is given as,
dTbp =2.30°c
elevation constant for the solvent is given by,
kb=0.512°c/m

= 4.49m
Answer: 205000000 microliter
Hope this helps!