The given answers are confusing and misuse units.
The density at room temperature of the most common isotope of Pu (i.e., 239) is
19.816 grams per cubic centimeter (g/cm^3).
One cubic inch equals 16.387 064 cm^3.
19.816 * 16.387 064 = 324.73 g/in^3.
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The accepted density of platinum is 21.45 grams per cubic centimeter. Saving you all the unit conversions, you're looking at about 1,321 pounds. As of 8/31/09, price was $1244/ounce. Your cubic foot of platinum is worth $26.3 million.
THE DENSITY OF PLATINUM IS 21.45. THEREFORE, A CUBIC FOOT OF PLATINUM WOULD
WEIGH 62.4*21.45=1338.48 POUNDS.
DAVE S.
1 cubic inch = 16.387 cm3
Density of plutonium: 19.816 g/cm3
The weight of 1 cubic inch of plutonium = density x volume = 324.7 grams or about 11 1/2 ounces.
8.93 Gram/cubic cm. 1 Cubic Inch = 16.4 cubic cm. So, the answer is 8.93X16.4 which equals 146.5 Gram
ALSO 1 Ounce= 28.3 Gram so 146.5 gram = 5.18 Ounce
The weight of a cube of coal can vary depending on the size and density of the cube. On average, a cubic foot of coal can weigh between 50-60 pounds. So, a 1-cubic-foot cube of coal would weigh around that range.
The weight of a cubic foot of books can vary depending on the type of books and paper used. On average, a cubic foot of hardcover books may weigh around 30-40 pounds, while a cubic foot of paperback books may weigh around 20-30 pounds.
The weight of 1 cubic foot depends on the material. For example, 1 cubic foot of water weighs approximately 62.4 pounds.
A cubic foot of water weighs 62.4 pounds (7.48 gallons * 8.33 pounds).
On average, one cubic foot of brick can weigh around 120-145 pounds, depending on the type of brick used and its density.