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A: If carbon is surrounded by four other carbon, then that carbon is known as quaternary carbon.
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Q: Give answer to all parts otherwise i will give you downward
A: All parts are solved.Explanation:
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A: The detailed solution is uploaded in explanation section.Explanation:
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State the effects that cause bulk and nanoscale materials to have different magnetic properties.
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- Cloth can be waterproofed by coating it with a silicone layer. This is done by exposing the cloth to (CH3)2SiCl2 vapor. The silicon compound reacts with OH groups on the doth to form a waterproofing film (density = 1.0 g/cm3) of [(CH3)2SiO]n, where n is a large integer number. n (CH3)2SiCl2 + 2n OH 2n Cl + n H2O + [(CH3)2SiO]n The coating is added layer by layer, with each layer of [(CH3)2SiO]n being 0.60 nm thick. Suppose you want to waterproof a piece of doth that is 3.00 square meters, and you want 250 layers of waterproofing compound on the cloth. What mass of (CH3)2SiCl2 do you need?Hexane (C6H14, density = 0.766 g/cm3), perfluoro-hexane (C6F14, density = 1.669 g/cm3), and water are immiscible liquids; that is, they do not dissolve in one another. You place 10 mL of each in a graduated cylinder, along with pieces of high-density polyethylene (HDPE, density = 0.97 g/cm3), polyvinyl chloride(PVC, density = 1.36 g/cm3), and Teflon (density = 2.3 g/cm3). None of these common plastics dissolves in these liquids. Describe what you expect to see.Give at least three differences of a bulk vs a fine chemical.
- Can paper chromatographt be used to separate and identify very volatile substances? Explain.4 For Ag atoms forming a nanoparticles of 25 A diameter, find: a) number of surface atoms Ns. b) number of volume atoms Nv. (or bulk atoms) c) the ratio of the surface atoms to the volume atoms.Why small grain size metals have the temperature environment greater mechanical strength than if they had larger grains?
- Why is paper used for weighing dry, non-hygroscopic chemicals only? Why is watch glass used otherwise?Which two options describe behaviors of particles that are related to the chemical properties of the materials?True or false: Particles with small surface area to volume ratios hold more water than particles with larger ratios.
- Give an example of nanoparticles found in animals and discuss it briefly.In 2009, a team from Northwestern University and WesternWashington University reported the preparation of a new“spongy” material composed of nickel, molybdenum, andsulfur that excels at removing mercury from water. The densityof this new material is 0.20 g/cm3, and its surface area is1242 m2 per gram of material. (a) Calculate the volume of a10.0-mg sample of this material. (b) Calculate the surface area fora 10.0-mg sample of this material. (c) A 10.0-mL sample of contaminatedwater had 7.748 mg of mercury in it. After treatmentwith 10.0 mg of the new spongy material, 0.001 mg of mercuryremained in the contaminated water. What percentage of themercury was removed from the water? (d) What is the final massof the spongy material after the exposure to mercury?What makes nanotechnology special in terms of how it is used to develop products? * A. It helps in generating electricity B. It utilizes change in properties when sufficient size reduction is achieved C. It involves nanomaterials which have high heat capacity D. It can be used for the interconversion of units
