Question

Enter your answer in the provided box. Repo Copper can be drawn into thin wires. How many meters of 34-gauge wire (diameter- 6.304 10 in) can be produced from the copper in 5.40 Ib of covellite, an ore of copper that is 66.0% copper by mass? (Hint: Treat the wire as a cylindér: V of cylinder = ær²h; d of copper- 8.95 giem'). Gulde

Answer 1

of coviellete ore takey= Suyo l6 Gwen mass (Liba 453-572) = 5-40x453•69 2449.319 66%. of eu Es Et- 2449.3 Then mass 2449.39.x66 100 1614.69 deaseth of so vedume of cuès he Ae Giwien euz 8.95 T/en3 ane dendh 1616: 69 *.959/cn thin 180-625 low lits eonsdidar hae tene 34 gauge cm? valume of ca to makhe a dorametert 6.204 xlo b

is the uned of thickney we know gauge So thickness of zylisder = delkareyce bechuen oufer and Esgeroill. -3 ie doamdr= 6. 304 XO So madous Ca)= 6.304 x10 2, -3 AF 3-İ52 xlo Agaa, 1 gch = 2:54 em So wekan sikey madoy (7)= 3.152X104 = 3. 15 8.006 x10 Now gr me gat, vælume of virez vekeme o = 180. 625 cns 180-625 cm3 th 80.625 en? ) e 141) x(3.r06xl0

=897178cm 8977.787 Cu we Dee So pue nocll gret 18971.78m Cu we'ome