Could you please write this chemistry essay for me.

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon