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- The following is the van Deemter Equation. Explain briefly the parameters A, B and C and how they affect the hight of the theoretical plate (H).You are given three unknown samples stored in screw-cappedcontainers and was told to analyse them. You noted that Container A iscloudy and have some particles that are staying near the bottom of thecontainer. Container B is translucent while Container C is transparent. If thecontents of Container A can be separated by simple decantation,what isthe particle size that BEST describes its composition?i. <1 nmii. 1 nmiii. 1 nm-100 nmiv. >1000 nmif a volumetric pipet delivers 24.844g of deionized water at 31.00 degrees C, what is the calibrated volume of the pipet?
- m.ecollege.oom/course.htmicourselde 154322748HepiD=2b3e43e6520 d55915384a5aZ76#10001 Search. Sh. TripAdvisor (MC 13 on Temperature, Changes in Energy, and Gases Item 17 17 of 40 Solve for the new pressure in each of the following, with n and V constant: Review | Constants | Periodic Table Submit Request Answer Part B A sample of N, with a pressure of 780 mmHg at -70 °Cis heated to 21 °C. Express your answer using two significant figures. Ηνη ΑΣφ P= mmHg Submit Request Answer Provide Feedback Next > P Pcarson Would you like to store your password ct Us pearsoned.com? More info Yes Not for this site hp 6:55 AM 12/4/2019 ip ins prt sc f10 f6 dele 144 & bac 8. 7. T. R. Y. L. H. V. %249- It flows (10 cm') of olive oil during a capillary tube (2 cm in length and (0.04 mm in diameter) If the height of the olive oil in the capillary tube (2.5 cm), calculate the time of the olive oil flow into the capillary tube, if you know that the viscosity of the oil ( ŋ oil = 0.18 N .sec/m? ) density of oil gm (0.918 Cma)?6 Methods that employ separation of the product chemically through precipitation, with purification, drying and weighing of the resultant product: A. Spectrophotometric analysisB. Volumetric analysisC. Gravimetric analysisD. Gasometric analysis7 Phase changes involving fusion, except:a. Solid to liquidb. Liquid to solidc. Gas to liquidd. Gas to solid
- Tooling for a vacuum deposition system is cleaned and reassembled. Unfortunately, a drop of water 0.125 cm3 in volume is left in the bottom of a screw hole. Due to the obstructed path to the pump, a negligible amount of water escapes during the early stages of pumpdown, and the drop becomes a virtual leak at a chamber pressure of 4.3E-06 torr. Find the volume of gas formed by the water at this pressure (assume it stays at room temperature). The density of water is 1g cm-3 and the molecular weight 18 g mole-1. (First, determine the number of moles in the drop of water, and use the ideal gas law to determine the volume)(b) To make this result clearer, what is the added time (in hours) to pump out this chamber due to this droplet if the pump, at that pressure, has a rate of 1480 L/s?Provide the remaining data missingActivities Chromium Web Browser - Jan 23 9:10 AM b My Questions | bartleby O Mail - Dishita Uppal - Out WA HW: IMF, VP, phases, unit x O (1) TextNow W Answers That Cannot Be x A webassign.net/web/Student/Assignment-Responses/last?dep=22994801#Q9 N My Notes + Ask Your Teacher -/3 points 12. A representation of a unit cell for a compound of formula Au Cu, is shown below. (a) Identify the type of unit cell shown. O body-centered cubic O face-centered cubic O simple cubic (b) Determine the number of Au atoms (blue spheres) and Cu atoms (yellow spheres) in a unit cell. Au atoms Cu atoms (C) Determine the empirical formula for Au Cu (Omit states-of-matter from your answer.) O Help chemPad Greek 123 Tutorial
- CH6_Chem103 - Kenai Peninsu X + to.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fclasses.alaska.edu%252Fwebapps... 054 520 2 X 9 part 2 Homework i 47:54 J bok 50 O int rint erences C 125 aw 11 :0 FI 2 Question 11 - Chapter 9 part 2 X Determine the volume (in mL) of a 13.3 MHC2H3O2 stock solution must be used to prepare 200.0 mL of a solution that is 0.719 M HC2H302. F2 W mL HC2H302 # 3 00 20 F3 E $ 4 000 000 F4 R % 5 F5 U 8 DII F8 1 ( 9 DD F9 0 3 F10 Help P SavThe video referenced in the question is https://youtu.be/03zVy3wLLC8When 10 mL of water at 20oC is placed in an Ostwald viscometer, it takes 136.5 s for the liquid levelto drop from the first mark to the second. For 10 mL of hexane at 20oC in the same viscometer, thecorresponding time is 67.3 s. Find the viscosity of hexane at 20oC and 1 atm.(ηH2O=1.002 cP, dH2O= 0.998 g/cm3, dC6H14=0.659 g/cm3)