Never warmer than room temperature, unless it is mulled wine.
No, alcohol does not spoil
Yes the alcohol will evaporate.
no
A party where no alcohol is served.
As bottled or served from the fountain, no.
Sake
Not whiile they are in uniform no.
No. The type of alcohol that is served in restaurants and bars, and that are available in stores are ethyl alcohol (also called ethanol or drinking alcohol).
Glühwein is served warm. Sake is a Japanese rice wine that is also served warm. From BlergK: Mulled wine is another wine served warm. This is traditionally any of a variety of red wines with "mulling" spices added, and heated almost to a boil and served during colder weather, this originates in Europe. To add to the answers here, most if not all red wine is served warm, but by this it is meant to mean unchilled. Warmed wine, like those listed above is different than warm as those types of wine are actually heated, most red wines which are served at room temperature which could be considered warm, and chilled wines, which are most whites, are actively cooled.
food slows the absorption of alcohol in the bloodstream by up to 6 hours
food slows the absorption of alcohol in the bloodstream by up to 6 hours
Alcohol is commonly served in a rocks glass; usually scotch or bourbon type drinks.