Application Exercises 8th Feb 2017

From personal experience, state whether these processes are endothermic or exothermic. Give a reason for each. a) A charcoal briquette burnns b) Water evaporates from your skin c) Ice melts a) Exothermic. Burning of charcoal releases heat to surroundings. b) Endothermic. Water needs to absorb the heat from the skin for evaporation to occur. c) Endothermic. Ice requires energy to be absorbed to break the lattice structure to melt. Chemical explosions are very exothermic reactions. Describe the relative bond strengths […]