None Current Attempt in ProgressCopper has density of 8.96 g/cm3 and it's sold on the London Metal Exchange at a price of $2.92per pound. What would be the cost ofthe copper metal needed to produce682feet of copper wire having a diameter of0.167inches?i

V~~2942.99 cm*3 Step 3: Calculate the mass of copperMass=Density×Volume=8.96 g/cm*3×2942.99…

Answered: Current Attempt in Progress Copper has…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter2: Atoms And Molecules

Section: Chapter Questions

Problem 2.95PAE: 2.95 Engineers who design bicycle frames are familiar with the densities of aluminium (2.699 g/cm3),...

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In making computer chips, a 4.00-kg cylindrical ingot ofultrapure n-type doped silicon that is 5.20 inches in diameter issliced into wafers 1.12X10⁻⁴m thick.(a) Assuming no waste, how many wafers can be made?(b) What is the mass of a wafer (dof Si =2.34 g/cm³; Vof acylinder =πr²h)?(c) A key step in making p-n junctions for the chip is chemicalremoval of the oxide layer on the wafer through treatment withgaseous HF. Write a balanced equation for this reaction.(d) If 0.750% of the Si atoms are removed during the treatmentin part (c), how many moles of HF are required per wafer, as-suming 100% reaction yield?
What another word for it
4/3 pie * (0.0576/2)^3=0.00010061=1.00=1.00x2.20/60.02=0.036654449*60.09=2.202565811=2.2E-18 ? is this even right? i've been struggling with this problem for hours.
| 5. Calculate Medium fine steel wool has a strand diameter of 0.002 inch. If 100 g of this steel wool were burned, what mass of iron oxide would you expect to be produced?
DATA: weight of the crucible + lid (Worucibletlid) =30.4265 weight of the crucible + lid + magnesium (Worucible-tlid+Mg) =30.6831 weight of the product + crucible + id (Werucible-tid+Mg 0) =30.7168 mass of the product (mMgo) = ? CALCULATIONS: Mass of magnesium: mMg = Mass of oxygen: mo = Number of moles of Mg: PMg = Number of moles of O: no = Mole ratio of Mg to O in the compound: rMg / no = Empirical (simplest) formula of the compound: Molecular formula of the compound (Note that the compound is an ionic compound) |
2.95 Engineers who design bicycle frames are familiar with the densities of aluminium (2.699 g/cm3), steel (7.87 g/cm3), and titanium (4.507 g/cm3). How does this information compare with Figure 2.12, and what would it suggest for changes in this figure if more shades were used for the density colour-coding? (Iron is the principal component of steel)
From the information given above, indicate onechemicalproperty of magnesium metal.
mete, 900. S: To mi vansteianos Ens comu SAM BO BOY E 1938 Bits Vousletanoo oni ovoight mi Intimhoqxo novigs gaivormi no au ubat mils over noyz son A to us has no 6.302oni iw tarta (98.950) * (4.184) * (368-21.5) como 602 nirtive envy tedt rowehs no bonisido svad bloode nov and bannot done K vitamos tramiroqxs * The temperature of 98.450 g of an aqueous solution increases from 21.5 °C to 368 C. Calculate 0 the change S in heat content (9) of this solution Express your answerin units of Kilojoules. Assume the specific heat capacity of the solution is 4184 J/g °C. Input your answer to three Significant figures do not include units with your answer input. To Answer 6.30 KJ re called * you calculate a value of 6.11kJ 9 surroundings (also solution in this experiment). Calculate system (also called greaction in this experiment). Do not include the units in your answer.
student found a bottle of unknown origin in the basement of an "CAUTION—contains С₁H₁O.” No other A old house. The bottle was labelled information was given, but inside the bottle were some white crystals. The student took the bottle to a chemistry laboratory, where she analyzed the crystals with the help of the laboratory staff. C₁2H₁6O reacted with Br₂ in CCl4 adding one mole of Br, and forming C₁₂H₁OB2₂. When a sample of C₁₂H₂O was reacted with O3 followed by Zn/H₂O, two different samples, J and K, were obtained. Compound J had a molecular formula of C.HgO₂, and its NMR is shown below. Compound K had a molecular formula of C₂H₂O, and it could be oxidized to compound L, with a molecular formula of C₂H₂O₂. The IR spectrum of L showed a very wide, strong band centred around 3000 cm*¹. The NMR spectrum of L showed only two different absorptions: a doublet (6H) at 0.9 ppm and a septet (1H) at 3.6 ppm. There was also a singlet (1H) off the scale at 11.8 ppm. students, deduce possible…
i need the answer quickly
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What is number 5?

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Current Attempt in Progress Copper has density of 8.96 g/cm3 and it's sold on the London Metal Exchange at a price of $2.92per pound. What would be the cost of the copper metal needed to produce682feet of copper wire having a diameter of0.167inches? i