Average thickness of sheet?

User Generated

Vrngsevrqbavbaf

Science

Question Description

Gold can be hammered into extremely thin sheets called gold leaf. If a 212-mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 ft ✕ 1.0 ft,what is the average thickness of the sheet in meters? Explain how you got the answer step by step if you can.

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Explanation & Answer

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212mg=0.212gm

1foot=0.3048m

2.4foot=0.73152

denisty=19.32g/cm^3

19.32/1000000

1.932 x 10^-5g/m^3

d=m/v

v=m/d

0.212/1.932 X 10^-5

=10973.08m^3

thickness=10973.08/(0.3048 x 0.73152)

=49213.88m

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WbryWbry (52)
Carnegie Mellon University

Anonymous
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