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August 1, 2014

Homework Help: chemistry

Posted by Jim_R on Wednesday, September 2, 2009 at 12:07am.

1)how many Meters of wire (diamter=6.304 x10^-3) can produced from from 5.01 lb of a mixture of ore and copper that is 66% copper

d of copper =8.95 g/cm^3
cylinder =pie r^2 H

answer is 8.32 x 10^3m



2) v=4/3pie r^3, r=17.282 mm

my solutions books says this:

4/3 Pie (17.282 m)^3=72.391=72.391 m^3

i got 2.76 x10^-5

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