Calculate the percent nickel in the ore sample
A 10 mL sample of an unknown aqueous nickel 2 solution was treated and found to produce 0.0532g of Ni(DMG)2 precipitate. Calculate the percent Nickel in the ore sample.
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A concrete box girder bridge has the rectangular x-section. The box is prismatic and considered thin-walled. It span is L=48m and simply supported at points A,B,C and D.
Give the answer in cubic meters. how many grams of oxygen do we breathe in each day if air is 20.5% oxygen and the density of oxygen is 1.43 g/dm^3?
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A rectangular beam made using concrete with f'c = 6000 psi and steel with fy=60000 psi has a width b= 20 in. The concrete modulus of rupture fr=530 psi.
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