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The density of lithium metal is
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Chemistry
- Gold leaf, which is used for many decorative purposes, is made by hammering pure gold into very thin sheets. Assuming that a sheet of gold leaf is 1.27 105 cm thick, how many square feet of gold leaf could be obtained from 28.35 g gold? The density of gold is 19.3 g/cm3.arrow_forwardUltrapure silicon is used to make solid-state devices, such as computer chips. What is the mass of a circular cylinder of silicon that is 12.40 cm long and has a radius of 4.00 cm? The density of silicon is 2.33 g/cm3.arrow_forwardProviding no reaction occurs, a solid will float on any liquid that is more dense than it is. The volume of a piece of calcite weighing 35.6 g is 12.9 cm3. On which of the following liquids will the calcite float: carbon tetrachloride (density = 1.60 g/cm3), methylene bromide (density = 2.50 g/cm3), tetrabromoethane (density = 2.96 g/cm3), or methylene iodide (density = 3.33 g/cm3)?arrow_forward
- The estimated amount of recoverable oil from the field at Prudhoc Bay in Alaska is 1.3 1010 barrels. What is this amount of oil in cubic meters? One barrel = 42 gal (exact), 1 gal = 4 qt (exact), and 1 qt = 9.46 104 m3.arrow_forwardYou can identify a metal by carefully determining its density. A 55.5 g piece of an unknown metal is 2.79 cm long, 2.41 cm wide, and 1.05 cm thick. What is the identity of the element? Zirconium, 6.51 g/cm3 Palladium, 12.0 g/cm3 Iron, 7.87 g/cm3 Lead, 11.3 g/cm3 Iridium, 22.4 g/cm3arrow_forwardA piece of alloy in the form of a disc weighs 50.0 g. The disc is 0.250 inches thick and has a circular cross-section of diameter 1.380 inches. What is the density of the alloy in grams per cubic centimeter? a.6.13 b.133 c.1.50 d. 8.16 e. 2.41arrow_forward
- a) What is the mass of a rectangular piece of aluminum 160.6 cm * 140.8 cm * 15.2 cm The density of aluminum is 2.70 g/cm^ 3arrow_forwardA 76 pound flask of mercury costs $156.50. The density of mercury is 13.534 g/cm^3. 1)Find the price of 1 gram of mercury 2)what is the price of 1 cm^3 of mercury. It takes 3.700 in^3 of mercury to make one nanometer. Find the price of mercury used to make 17 nanometers by first calculating the cost of mercury for one nanometer. What is the price of Mercury used to make one nanometer. What is the price of mercury used to make 17 nanometers.arrow_forwardGold can be hammered into extremely thin sheets calledgold leaf. An architect wants to cover a 100 ft x 82 ft ceilingwith gold leaf that is five-millionths of an inch thick. Thedensity of gold is 19.32 g/cm3, and gold costs $1654 per troyounce (1 troy ounce = 31.1034768 g). How much will itcost the architect to buy the necessary gold?arrow_forward
- Gold is a very soft metal that can be hammered into extremely thin sheets known as gold leaf. If a 1.81 g piece of gold is hammered into a sheet whose area is 47.2 ft2, what is the average thickness of the sheet? (The density of gold is 19.32 g cm-3.)arrow_forwardAn aluminum cylinder is 10.0cm in length and has a radius of 0.25cm. If the mass of a single Al atom is 4.48 x 10^-23 g, calculate the number of Al atoms present in the cylinder. The density of aluminum is 2.70 g/cm^3.arrow_forwardGold can be hammered into extremely thin sheets calledgold leaf. An architect wants to cover a 100 ft * 82 ft ceilingwith gold leaf that is five-millionths of an inch thick. Thedensity of gold is 19.32 g>cm3, and gold costs $1654 per troyounce 11 troy ounce = 31.1034768 g2. How much will itcost the architect to buy the necessary gold?arrow_forward
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