Let's say you hold some ice in your hand. The ice melts and your hand feels cold. Is the reaction H₂O(s)→H₂O(l) endothermic or exothermic? Is the change in enthalpy of the reaction positive or negative. A) (endothermic, positive) B) (endothermic, negative) C) (exothermic, positive) D) (exothermic, negative)
