3 years ago

Why does perchloric acid cause macromolecules to precipitate?

1 answer:

7 0

Perchloric acid (HCO₄) is one of strongest inorganic acids. Perchloric acid precipitation is used to removes most of the protein present in the sample and stabilize many of the small molecule analytes. It can use also to precipitation glycogen, ATP, glutathione, antioxidants.
Perchloric acid donates protons to macromolecules and lower their solubility in water. Also perchloric acid is strong oxidizing agent and change oxidation number of elements.

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The heat of fusion for water is the amount of energy needed for water to?

Aleonysh [2.5K]

Answer : (C) The heat of fusion for water is the amount of energy needed for water to melt.

Explanation :

Heat of fusion : It is calculate the amount of energy required for melting of a substance to change its states from solid to liquid at constant pressure.

Fusion is a process in which phase changes from solid to liquid.

In case of water, the solid ice converted into liquid water by the process of melting.

The reaction of phase changes in water is,

$Ice(s)\overset{Fusion}{\rightarrow} Water(l)$