Answer
Heat is needed to melt ice, so the reaction is considered endothermic. This signifies a positive change in delta H, as heat is entering the system. The opposite reaction, freezing water, is considered exothermic and has a negative delta H value.
Work Step by Step
Heat is needed to melt ice, so the reaction is considered endothermic. This signifies a positive change in delta H, as heat is entering the system. The opposite reaction, freezing water, is considered exothermic and has a negative delta H value.
