Alkyl hydrogen atoms bonded to a carbon atom in a a (alpha) position relative to a carbonyl group display unusually high acidity.While the pK a values for alkyl C-H bonds is typically on the order of 40-50, pK a values for these alpha hydrogens is usually within the range of 19-20.lkyl hydrogen atoms bonded to a carbon atom in a a (alpha) position relative to a carbonyl group display unusually high acidity.
Adventures of Superman was the first television series featuring the comic book superhero Superman. The series, which was syndicated rather than being tied to a network, began filming in 1951, and was first aired on September 19, 1952. The final first-run episode was broadcast on April 28, 1958.
Superman is a fictional superhero appearing in American comic books published by DC Comics. The character is considered an American cultural icon. The Superman character was created by writer Jerry Siegel and artist Joe Shuster in 1933; the character was sold to Detective Comics, Inc. (later DC Comics) in 1938.hile Superman is largely considered to be the archetypal superhero, and the flagship character of DC Comics, he has enjoyed virtually no success in video games. A variety of Superman video games have been released, starting with 1978's Superman for the Atari 2600, none of which have been commercially successful.