What are some real world applications of endothermic and/or exothermic reactions?

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

What is the mass of phosphorous in a 51-kg person

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.