<span>More surface area --> more molecules of the solute in contact with the solvent --> more chance for a solvent molecule to collide with the solute molecules --> dissolves faster
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Explanation:
Here are the answers. Do note that I had to convert the enthalpy to joules and temperature to Kelvin to make the unit for entropy work out.
I got 134.91 but if you round it you’ll get 135
Chlorine + Calcium --> Ionic Bond
Iron cannot covalently bond as it is a metal