The figure below shows the energy diagram for a reaction in the presence of a catalyst and in the absence of a catalyst. As you can see, the catalyst has decreased the activation energy of the reaction, which means that more molecules are able to surmount it and react.
The Rocori High School shooting was a school shooting that occurred at Rocori High School on September 24, 2003 in Cold Spring, Minnesota, United States.[1] The shooter was identified as Rocori High freshman John Jason McLaughlin,[2] who shot and killed 15-year-old freshman Seth Bartell and 17-year-old senior Aaron Rollins.
Standard Gravure shooting. The Standard Gravure shooting occurred on September 14, 1989, in Louisville, Kentucky, when Joseph T. Wesbecker, a 47-year-old pressman, killed eight people and injured twelve at his former workplace, Standard Gravure, before committing suicide. The shooting is the deadliest mass shooting in Kentucky's history, and one of the 30 most deadly mass shootings in US history. The murders resulted in a high-profile lawsuit against Eli Lilly and Company, manufacturers of the antidepressant drug Prozac, which Wesbecker had begun using during the month prior to his shooting rampage.