Explanation:
2,6-Dibromo-4-isopropylphenol
2432-16-8
2,6-dibromo-4-propan-2-ylphenol
Phenol, 2,6-dibromo-4-(1-methylethyl)-
4-isopropyl-2,6-dibromophenol
I'm guessing its Sublimation point of water
Hope this helps
I believe it is the second option
Explanation:
The volume of the copper block is:

The density of copper is 8.96 g/cm³
So the mass of the copper block is

or 126.44352 kg.