The main difference between reaction quotient and equilibrium constant is that reaction quotient can be calculated for a reaction at any time whereas equilibrium constant is calculated at the point of equilibrium.
0:151:52Using Keq to find concentrations - YouTubeYouTube
GossamerGossamer appears in Space Jam: A New Legacy. He appears as a member of the Tune Squad during the basketball match against the Goon Squad where he was briefly burned by Wet-Fire's fire form. During the second half of the game, Gossamer's fur was briefly used to absorb Wet-Fire's water form.
All spam is luncheon meat but not all luncheon meat is spam. Basic idea is that Spam is a type of luncheon meat. It's also a brand name. Whereas luncheon meat is any kind of meat that is typically cured and precooked.
A span of a set of vectors is also the intersection of all subspaces containing the set. Thus clearly the span of the emptyset is {0}.