Thus, E total E total (with H-bonding) and the difference between them should be a measure of the enthalpy of the H-bond. From bond energy/bond order relationships, any reduction in E total should appear as an increase in length of the NâO bond.
Zebulon Pike was sent by Jefferson to explore the southern parts of the Louisiana Purchase, as Lewis and Clark were sent on a more northerly route. Pike discovered the mounta â¦ in bearing his name, Pike's Peak.
On June 24, 1806, General James Wilkinson, commander of the Western Department, ordered Lieutenant Zebulon Pike, then age 27, to lead an expedition to the western and southern areas of the Louisiana Purchase to map the terrain, contact the Native American peoples, and to find the headwaters of the Red River.