Chemistry
10.04.2022 15:27
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Apiece of gold wire has a diameter of .175cm. how much will precisely 1.00 x 10^5

Apiece of gold wire has a diameter of .175cm. how much will precisely 1.00 x 10^5 cm of the wire weigh
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caz27
caz27
4,6(29 marks)
The main information we have to use here is the density of gold. From literature, the density of gold at room temperature is 19.32 g/cm³. To determine the mass, let's calculate the volume first. A wire is in the shape of a cylinder. Thus, the volume would be

V = πd²h/4
V = π(0.175 cm)²(1×10⁵ cm)/4
V = 2,405.28 cm³

Density = mass/volume
19.32 g/cm³ = Mass/2,405.28 cm³
Mass = 46,470 g gold wire
saabrrinnaaa
saabrrinnaaa
4,4(8 marks)

A, B, D.

Explanation:

C and E are wrong it might only be 2 answers cause I know A is right and I think B and D are both applicable but it might just be 1 or the other. (Sorry if I'm wrong I don't have this question I just think these are the most reasonable answers. And plus I have a reflecting Telescope and I helped put it together so I'm pretty sure I'm right again if I'm wrong I am very sorry)

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