A rock that can float if placed in water

Why doesn't heat added to water make the tempature rise above 100c

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate