Un muelle se alarga 0,5 cm cuando se le aplica una fuerza de 2,5 N. Calcula la constante del muelle e indica lo que se alargará cuando se le aplique una fuerza de 3,5 N.

Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction