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.
The Battle of Cold Harbor was fought from May 31 to June 12, 1864, with the most significant fighting occurring on June 3. It was one of the final battles of Union Lt. Gen. Ulysses S. Grant's Overland Campaign during the American Civil War, and is remembered as one of American history's bloodiest, most lopsided battles.