Okay, since we're into fifth decimal accuracy now, I can't resist... Water density is not constant, but varies with temperature (and salinity, of course, but let's keep seawater out of the discussion). At 4°C (34°F), the density is 1, which means that one litre weights one kilogram. The numbers sucks for these quantities in imperial units...:-) As temperature rises, the density goes down as with all substances heated. At 20°C, density is about 0.998, which means that one Litre weights 998 grams. The reason why water is most dense at 4°C, is that the lower temperatures make the molecules begin to line up in a regular lattice. As long as the water is fluid, the lattice is continuously scattered and reformed, but the density goes down anyway. At freezing point, the lattice takes over completely, and water is suddenly in a form most suited to cool drinks with.
Btw, those british water bombs looks like fiddlybits. In my childhood we just used party balloons...:-) Cheers, Jostein ----- Original Message ----- From: "Paul Sorenson" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, September 03, 2004 6:34 PM Subject: Re: PAW: Water Bomber > Sooo... > > 1600 gallons = 5818.99519 liters > 5818.99519 liters weighs 5818.99519 kg > 5818.99519 kg - 12828.68845 pounds > > Yup - much easier <grn> > > ----- Original Message ----- > From: "Caveman" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Friday, September 03, 2004 10:14 AM > Subject: Re: PAW: Water Bomber > > > > HAR the US units ! Go metric. 1 liter of water weights 1 kg. Much easier > ;-) > > > > Shel Belinkoff wrote: > > > > > Water weighs just about 8.4 pounds per US gallon. > > > > > > >
