View archive. The Selma Fire Department was established in 1974, âto protect and enhance the quality of life in Selma through a program of services directed toward public education, prevention, and control in areas of fire, rescue, medical, emergencies, hazardous materials incidents, and disasters.â.
2016-09-05T14:42:37-04:00. Collision theory is the topic among the choices given in the question that is used to explain activation energy and how chemical reactions happen. The correct option among all the options that are given in the question is the second option or option B. I hope that the answer has come to your help.
43 Given the potential energy diagram for a chemical reaction: Which statement correctly describes the energy changes that occur in the forward reaction? (1) The activation energy is 10. kJ and the reaction is endothermic. (2) The activation energy is 10. kJ and the reaction is exothermic. (3) The activation energy is 50. kJ and the reaction is endothermic.