How do you percipitate things from solution to telluric acid?

As you move from right to left on the periodic table the atomic radius fill in the blank

Afamily is one another name for a group on the table of elements.

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that