Slightly more if there is moisture in the air.
2856kg fully loaded or... 1800kg un-loaded or empty
Exactly the same -
Your cylinder full of gas will weigh more, for it contains the mass of the gas. Some gases, when compressed, such as CO2, are in liquid form, and quite heavy.
An empty F-15C weighs 28,000 pounds. Fully loaded,ready for takeoff it can weigh up to 45,000 pounds.
There will be a TW on the side of the cylinder this is the tare weight the weight of the cylinder empty. (TW 27) would be an 27 pound empty cylinder. A full cylinder will weigh 30 pounds more than the tare weight.
A Boeing 777-200's empty weight would weigh 297,300lbs.
Short answer: it depends on which one you're talking about.The F-5 (a light fighter) weighs about 4,500 kg empty (7,000 kg loaded) while the F-15 is 12,700 kg empty (and 20,000 loaded).Most fighter aircraft weigh around 11-12 metric tons when empty or about 16-20t when fully loaded.
A lot
bbhu
an empty bow depending on its size can weigh between 2 oz. to 100 oz. it can though weigh less or more depending like i said on the size of the box
it weighs .2
About 75 LBS when you weigh the bottom and cardboard incert together