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.
Source: Official Records of the Union and Confederate. 1  Recommended Reading: Cold Harbor: Grant and Lee, May 26-June 3, 1864, by Gordon C. Rhea (Hardcover). 2  Their back to the Chickahominy River and on their last legs, the rebel troops defiantly face an army-wide assault ordered by Grant that extends over three hellish days.