3 ms·
..because if you drill a divot out of the inside of the plain, clean it with hydrochloric acid and break your thermometer on there you might get some pitting..
by cortic 7y ago
..because if you drill a divot out of the inside of the plain, clean it with hydrochloric acid and break your thermometer on there you might get some pitting.. whoa, dodged a bullet there.
- cm2187 7y agoThe video doesn't say that the reaction won't happen without cleaning the surface, just that it will be much slower. And the hole is just to hold the mercury in place.
- cortic 7y agoThe video literally says the reaction won't happen without cleaning the surface quote; "Under normal conditions aluminum is surrounded by a protective oxide layer" btw; mods, you have no idea how much it bothers me not being able to change plain to plane in my op.