Something not everyone takes into account is that every molecule has a weight, even the molecules that make up air. It may not be noticeable, but it's definitely present.
So if by "empty tank" you mean "a tank containing no molecules", and it were compared to a tank filled with air, or "a tank containing at least one molecule", then you can see that a tank filled with air will weigh more than an empty tank (although the difference may be very very small).
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No cuz u hav the kinetic theory of matter
Well, darling, an empty 50-gallon hot water tank typically weighs around 100-150 pounds. But hey, if you're struggling to lift that bad boy, maybe it's time to hit the gym or call in some reinforcements. Just don't throw out your back trying to be a DIY hero, okay?
20# tanks holds up to 20 #s of propane. The tank weight itself is designated as TW on the tank collar (usually 17-19 lbs)
I would not use "fully empty" in a sentence because it is redundant and unnecessary. If something is "empty", it's empty. You do not need to say "fully empty" because empty cannot be anything but nothing. There is no further defining words needed.The glass was empty.I carried an empty pitcher.My gas gauge read E for empty.
bladder tanks are much better for the pump and will be fine as a replacement.