| − | In chemistry, an '''endothermic reaction''' is a reaction that takes in heat from the surroundings. | + | In chemistry, an '''endothermic reaction''' is a reaction that takes in heat from the surroundings. Endothermic Reactions have the unusual charecteristic that once the temperature reaches 309 degrees [[Kelvin]], the reaction will stop completely. Observers feel that there is evidence that this temperature represents the termperature in [[Heaven]]. |