What's the Kennection? #187

Tyler Joseph's rock band is named after how many "Pilots" who are killed in Arthur Miller's play All My Sons?

Keanu Reeves got his second Worst Actor Razzie nod for what 1996 sci-fi film, named for the effect that powers nuclear fission?

What kind of glass structure did I.M. Pei controversially design for the entrance to the Louvre Museum in 1985?

In chemistry, what quantity can be found by dividing the mass of the solute by the volume of the solution?

According to SplashData's "Worst Password List," what's the most common word chosen by Internet users as a password?

What's the "Kennection"?