III. MATCHING TYPE: Match the mixture in Column A with the separation method in Column В. Column A 17. Salt solution 18. Sand and iron filings 19. Sand and water Column B A. Decantation B. Evaporation C. Filtration D. Magnetic Separation/Magnetism 20. Salt, iron filings and water
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- Com X Bb Mas X Mas X Hom X K! Kahx Exan X K! Kah X Mitc X КI Kah X K Kah x K! Kah x Kah x K Kahx C session.masteringchemistry.com/myct/itemView?assignmentProblemID=134214560 Apps New Tab Effect of Salinity on... Sleep Disorders | M... P Philo American Journal ... Zeeshan JBAS Ic Wait for Next Quest... oramge juice Effect cThe following data give the recovery of bromide from spiked samples of vegetable matter, measuredusing a gas–liquid chromatographic method. The same amount of bromide was added to each specimen(Roughan, J.A., Roughan, P.A. and Wilkins, J.P.G., 1983, Analyst, 108: 742).Tomato: 777 790 759 790 770 758 764 ug/gCucumber: 782 773 778 765 789 797 782 ug/g(a) Test whether the recoveries from the two vegetables have variances which differ significantly.(b) Test whether the mean recovery rates differ significantly.1. Which balance would result in 0 degrees of freedom? Mixture 100 kg/h x=0.2 kg S/kg Xw=0.8 kg W/kg m, (kg/h) A. overall B. evaporator C. splitting point D. mixing point m3 (kg/h) Xw=1.0 Evaporator m₂ (kg/h) X₂=0.2 Xw=0.8 m4 (kg/h) m, (kg/h) X₁=0.6 X₂=0.4 Xw=0.4 Xw=0.62. A gas chromatogram of a four-(4)-component mixture had the following areas and retention times (RT). Component ABCD (RT) (min) 2.564 5.241 1.904 3.217 Area (mm²) 2341 1278 4302 1987 A. Which compound do you suspect is the most volatile? Why? B. Calculate the percent composition of component D.According to the chromatography the value of the distance traveled by the solvent is:Select one:a. 9.0 cmb. 11.0 cmc. 10.0 cmd. 12.0 cm4. Calculate the average and the standard deviation for the following data: Volume Water at 20°C, mL 27.25 27.15 26.87 26.65 27.55 5. How many grams of NaCl will you weigh out on the balance to prepare 100 mL of a 150 mM NaCl (MW = 58.5 g/mol) solution? 335:59 PM Fri Oct 8 43% AA www-awn.aleks.com G periodic table Favorites - YouT... TV fuboTV - Watch... ALEKS - Caliyah... G kno3 acid or ba... G linear program... G write formulas f... C Solved A. Chem... CHEMICAL REACTIONS Caliyah Using molarity to find solute moles and solution volume A chemist adds 385.0 mL of a 3.74 x 10 mmol/L calcium sulfate (CASO,) solution to a reaction flask. Calculate the micromoles of calcium sulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits. u mol Explanation Check 2 curaw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessiblity1. In a gravimetric analysis of a chloride salt, the following data were obtained. Mass of original chloride sample Mass of AgCl formed From the data, find the following: a. Mass of Cl in the original sample b. Percent CI in the sample c. Average % chloride d. Average deviation from the mean Trial 1 0.2674 0.4862 Trial 2 0.4219 0.8015 Trial 3 0.3612 0.61335:09 PM Fri Oct 8 7 60% AA www-awn.aleks.com G periodic tabl... Favorites - Y... TV fuboTV - Wa... ALEKS - Cali... G kno3 acid or... G linear progra... G write formul... Solved A. Ch... O CHEMICAL REACTIONS Using molarity to find solute moles and solution volume Caliyah v A chemist adds 485.0 mL of a 0.744 mol/L sodium thiosulfate (Na, S,0,) solution to a reaction flask. Calculate the millimoles of sodium thiosulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits. mmol OLX Explanation Check 2 VL ER LLL All RIynts Reserved. Terms of Use | Privacy Center AccessibilityLearning AA prod03-cnow-owl.cengagenow.com Login Learning Learning × Online tea... y dr. marlow... ember L... with We 3. AS surroundi... M 2BrF3 (9) Br2 (g) + 3F2 (9) 4. AG° = AH°... M 5. AG: Pre... 1req 6. AG: Enthal... Using standard thermodynamic data at 298 K, calculate the free energy change when 2.14 moles of BrF3 (9) react at standard conditions. Substance AG (kJ/mol) 7. AG fro... 1req Question Question Question 8. Calculat... 1req AG° = 9. Calculat... 1req BrF3 (9) -229.4 Br2(g) 3.1 F2(9) 0.0 kjAlthea extracted 2g of pure dry salt frame 6g of rock salt. The mass of the salt obtained is less than the mass of rock salt because the rock was removed by ______?a dissolvingb. distillationc. evaporationd. decantation5. A mixture of different colored inks can be separate using ______?a. chromatographyb. distillationc. evaporationd. distillation6. what is one property of a suspension that is different from that of a solution or colloid?a. the particles of a suspension will settle down upon long standing.b. the particles of a suspension reflect light.c. A suspension is always clear.d. A suspension is colorless.Sec 7. X Conte X b Succes x G How n x Co. What X New X S All Orc X S Wome X Login x Youth X Egbe X ▸ (98) X ← blackboard.umbc.edu/ultra/courses/_66727_1/cl/outline 14 ★Bookmarks New folder 2019-05-02.jpg (10... Photo - Google Ph... Other bookmarks QUESTION 6 Combining aqueous solutions of which two substances would result in a net ionic reaction where the only precipitate present is Ag2SO4? sodium sulfate silver carbonate silver nitrate barium sulfate silver chloride lead(II) sulfate k Save and Submit to save and submit. Click Save All Answers to save all answers. Type here to search 발 8:31 PM H 55°F 23 5/1/2022 New T X +SEE MORE QUESTIONS