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- B) Assess the critical aspects of chemistry involved in sedimentaticSpecify how the principle of constant proportions can be used to determine seawater salinity by measuring only one dissolved component.Calculate the conductivity of 0.6400 Al2(SO4)3 in units of S/cm. AM AM (S/M-cm) Cation Anion (S/M-cm) H* 0.3496 OH 0.1991 Na* 0.05010 F 0.0554 K+ 0.07350 CI 0.07635 Lit 0.0387 Br 0.0781 Mg2+ 0.1060 NO3 0.07146 Ca2+ 0.1190 CIO, 0.0673 Ba2+ 0.1272 So,2 0.1600 A13+ PO4 0.183 3- 0.207
- The thermal conductivities of human tissues vary greatly. Fat and skin have conductivities of about 0.20 W/m · K and 0.020 W/m · K respectively, while other tissues inside the body have conductivities of about 0.50 W/m · K. Assume that between the core region of the body and the skin surface lies a skin layer of 1.0 mm, fat layer of 0.50 cm, and 3.2 cm of other tissues. (a) Find the R-factor for each of these layers, and the equivalent R-factor for all layers taken together, retaining two digits. Rskin m2 · K/W Rfat m2 · K/W Rtissue m2 · K/W R m2 · K/W (b) Find the rate of energy loss when the core temperature is 37°C and the exterior temperature is 0°C. Assume that both a protective layer of clothing and an insulating layer of unmoving air are absent, and a body area of 2.0 m2. WEstimate how much the salinity of the surface water of the Arctic Ocean would need to increase before the surface density would equal the potential density at 1000-m depth. how does this compare with the average salinity of the ocean? (Good values might be T=-1.5˚C, S = 32.8, and potential density about 24.5.).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.
- Which of the following methods is not an appropriate method for purifying a solid under normal laboratory conditions? sublimation Ochromatography distillation recrystallizationWeigh out accurately 9.99 g of copper(II) sulfate pentahydrate (CuSO4·5H2O) by taring using a clean and dry empty 250-ml beaker. 2. Add tap water to the beaker to reach the 50-mL mark on the side of the beaker. 3. Dissolve all the crystals of CuSO4·5H2O in the water using a clean glass rod for stirring. 4. Then using a glass funnel transfer all the blue solution to a 100-mL volumetric flask. Rinse the beaker with about 10 mL of water and transfer the solution to the volumetric flask. Repeat the rinsing of the beaker with another 10 mL of water and transfer the solution to the volumetric flask. This is called quantitative transfer of the solution. 5. Then add enough water to reach the calibration mark of the volumetric flask. (You will need to use a dropper to add the last few drops of water to ensure the meniscus is on the calibration mark). Close the volumetric flask with a stopper and mix the solution well (so that it is homogeneous). 6. You have now prepared a standard solution (or…How will you operationally define chemical bonding when subjected to its conductivity of these solutions?
- Match the definition in column A with the correct terms in Column B.#13-15 Choose the letter of the correct answer.Na2S(aq) + Zn(NO3)2 (aq) → NaNO3(aq) + ZnS(s) Express your answer as a chemical equation. Identify all of the phases in your answer. 0 ΑΣΦ ***** ? A chemical reaction does not occur for this question.