Chemistry

Chemistry, 30.07.2019 21:40, Gloryreak3728

What is the volume of 193 g of gold

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Chemistry, 13.07.2019 15:00, boxergirl2161

A1.0-ml volume of seawater contains about 4.0 3 10212 g of gold. the total volume of ocean water is 1.5 3 1021 l. calculate the total amount of gold (in grams) that is present in seawater, and the worth of the gold in dollars (see problem 1.82). with so much gold out there, why hasn't someone become rich by mining gold from the ocean?

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Chemistry, 12.08.2019 23:30, krlx

A1.0-ml volume of seawater contains about 4.0 x 10^-12 g of gold. the total volume of ocean water is 1.5 x 1021l .calculate the total amount of gold (in grams) that is present in seawater and the worth of the gold in dollars. with so much gold out there, why hasn't someone become rich by mining gold from the ocean?

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Chemistry, 23.09.2019 05:30, robloxlover1987

The atomic radius of a gold atom is 144×10^-12. the volume of a gold atom can be calculated using the volume of a sphere. the density of gold is 19.3 g/cm^3. how many atoms are present in a sample of gold with a mass of 1.40g using the info provided

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Chemistry, 11.11.2019 06:31, kimloveswim

Gold is alloyed(mixed) with other metals to increase its hardness in making jewelry. (a) consider a piece of gold jewelry that weighs 9.85 g and has a volume of 0.675 cm3. the jewelry contains only gold and silver, which have densities of 19.3 g/cm3 and 10.5 g/cm3, repectively. if the total volume of the jewelry is the sum of the volumes of the gold and silver that it contains. calculate the percentage of gold(by mass) in the jewelry. (b) the relative amount of gold in an alloy is commonly expressed in units of karats.

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