I don't know the exact weight however a sheet of tempered glass 5 feet long (60 inches) and 2.5 tall (30 inches) made up in a cube can hold 250 gallons of water at 8lbs per gallon. roughly 2000 lbs (1 ton).
Sources: I build fish tanks
Nothing since a square foot is 2 dimensional.
The weight of a square foot of muscle can vary depending on various factors such as the individual's body composition and overall muscle density. On average, muscle tissue weighs about 18-20 pounds per square foot.
5 to 6 dollars
A square yard is a measurement in 2 dimensions, length and width. Since there is no depth measurement in a square yard, therefore, a square yard of water has no weight. However, "...a cubic yard is 27 cubic feet, and a cubic foot of water weighs about 62.4 pounds, so 62.4 x 27 gives you...about 1685 pounds." (http://saluqi.home.netcom.com/ticklinx1.htm)
No, a foot is a unit of length equal to 12 inches, whereas a square foot is a unit of area equal to a square with sides of 1 foot in length. A square foot is the area of a square that measures one foot on each side.
An average cost per square foot for tempered glass is approximately $25
You don't state a thickness, and that is very important in price of any glass.
how much does obscure glass cost per foot on average
Depends on how thick it is.
A 6mm thick glass weighs approximately 2.5 pounds per square foot. This weight can vary slightly based on the specific type of glass, but 2.5 pounds is a general estimate for standard float glass. To calculate the total weight for a given area, simply multiply the area in square feet by this weight.
Typical window glass weighs 156 pounds per cubic foot. For comparison, a cubic foot of aluminum weighs about 168 pounds, and a cubic foot of oak is around 50 pounds.
6mm (1/4") - 3.15 lbs. per square foot 10mm (3/8") - 5.12 lbs per square foot 12 mm (1/2") -6.31 lbs per square foot
A square foot of quartz has no definite weight because a square foot has no thickness.
Glass weighs 162 pounds per cubic foot. Tempering adds no weight. Glass is glass, except specialty glasses like high temperature glass, which weighs slightly more.
a square foot of lead has no weight since it has no thickness
Standard 1/4" thick 'plate' glass weighs 3.2 lbs per square foot. A cubic foot of glass weighs 162 pounds. A square foot of 3/8" glass weights 5 pounds.
how much does 3/8 clear annealed glass cost per square foot wholesale