Based on the data shown in the figure on the side, knowing that the nominal volumes for the flask, pipette and burta are 100 mL, 10 mL and 12.5 mL respectively, answer: What is the most accurate volumetric instrument? Show the calculations and be careful with the scales
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Based on the data shown in the figure on the side, knowing that the nominal volumes for the flask, pipette and burta are 100 mL, 10 mL and 12.5 mL respectively, answer: What is the most accurate volumetric instrument? Show the calculations and be careful with the scales
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- Estimate the Km and vmax from the data. [S] (M) Velocity (µM/min) 2.5 x 10-6 28 .00001 70 .00004 112 .0001 128 .002 139 .01 140 Km=.00001 vmax=140 Km=.002 vmax=112 Km=.01 vmax=140 Km=.00001 vmax=70Ba(NO,l(aq) + K,SOlaq) Baso(s) + 2 KNOlaq) Volume Volume Trial 0.10 M Ba(NO)2 (ml) 0.10 M K,SO, (ml) Mass Baso4 (s) Limiting Reagent 50. 20. 0.46 50. 40. 0.92 3 50. 50. 1.15 4 50. 60. 1.15 50. 80. 1.15 • Question 8 Use the data to identify the limiting reagent for each reaction performed. V Trail 1 a. Neither/Both EV Trial 2 b. Baso4 EV Trial 3 C. KSO4 EV Trial 4 d. Ba(NO3)2 EV Trial 5 e. KNO3 Question Help: Message instructor I Calculator Submit Question • Question 9 Why is the amount of precipitate in the Data Table above the same in Trials 3 through 5? Edit Insert Formats B IVX x' AConvert kPa/sec to uL/min for the following values. -0.0019 kPa/sec -0.0029 kPa/sec -0.0028 kPa/sec -0.0021 kPa/sec -0.0026 kPa/sec -0.0034 kPa/sec
- Based on the given data, what is the λmax of cobalt? 0.1M Cobalt 300 0.451 325 0.467 350 0.584 375 0.629 400 0.694 425 0.673 450 0.541 475 0.433 500 0.423 525 0.327 550 0.264 575 0.245 600 0.233 625 0.211 650 0.189 675 0.187 700 0.165Trial [I0:] [HSO: ] Time Rate [HSO3 ]/time 1 49 25 3 16.9 Table-2 Find the concentrations of [IO3] and [HSO3] and enter into the table. Divide the concentration of HSO3 with the time in seconds to get the rate. Volume is assumed to be additive in this experiment. Thus, the total volume of all the solutins is assumed to be 20.0 mL. This introduces a small error that can be considered insignicant. The concentrations of IO; and HSO, (after mixing but before the reaction begins) can be calculated using the relationship: Mailute Vdilute= Mcone Vcone. A sample calculation is shown below for the concentration of IO, in Trial 1: Mailute to be calculated Vdilue 20.0 mL 0.020 M x 2.0 mL Mcone 0.020M V conc 2.0 mL %3D diluted [IO, ] = = 0.0020 M IO, %3D 20.0 mL Similarly, the concentration of HSO; in Trial 1 is calculated thus: 0.010 M x 2.0 mL diluted [HSO, ] =0.0010 M HSO, 20.0 mLQ How X 2 Conv X 3 USCI: X O Login x b Answ x My H x * Minc x * Mind x о Итал х м Почт х * Appli x O NH4 X ng.cengage.com/static/nb/ui/evo/index.html?elSBN=9781305968646&id%3D160085644&snapshotld=456877& CENGAGE MINDTAP Q Search t oter 4: Forces between Particles Note the positive charge; compare with NH4 †. 4.55. C Predict the shape of each of the following polyatomic ions by first drawing a Lewis structure, then applying the VSEPR theory: a. NH2 (each H is bonded to N) b. PO3- (each O is bonded to P) c. BeCl,- (each Cl is bonded to Be) d. ClO4 (each O is bonded to Cl) e d) ENG 144 prt sc delete home 8 9. + backspace num %3D lock K enter Dy Ho P.
- n eFundi : NCHE 121 1- NCHE 121 - Test 8 - Ve x O New Tab b My Questions | bartleb x R° (PDF) The Fourth Indu: X R° (PDF) In dis tree - 4 W x -> A docs.google.com/forms/d/e/1FAlpQLScN5aWT0bzfQAgIF5ETgigA7N4LhreJo3ILGJ6Zwl0D7iboNQ/formResponse Question 1: What is the preferred IUPAC name of the compound in Figure 1? [Numbers are separated by commas and numbers and letters by hyphens. Use lowercase letters and do not use spaces.] * Jou antwoord Figure 1 17:26 O Type here to search 38°C Partly sunny 2021/11/04ESF X empt/quiz_start_frame_auto.d21?ou=9739790&isprv=&qi=11007766&cfql=0&dnb=0&fromQB=0&inProgress=1 ystems Question 5 (1 point) Ben starts walking along a path at 3 mi hr¹. Amanda starts jogging along the same path 1 hour later at 5 mi hr. After how much time jogging does Amanda catch up to Ben? 3.5 hr 2.5 hr 2 hr 16Chemistry The amount of V was found to be 0.19% (+/-) 0.02% V (N=6). Calculate t-calc, assuming 95% confidence level.
- Third Ma X 占 General A General ( X di General ( N 7C Social x C Clever | P x C Clever | P X E Edulastic x O Mail - AS x A app.edulastic.com/student/assessment/60525b29af74cf0008c2b68f/class/5f20cf3d5dd16ded17965e85/uta/6054999e58acf20009db46a4/it Question 1/19 > NEXT A BOOKMARK The structure of a chromosome is made up of influences our traits. 1 which contains that code for a which A Protein, DNA, Gene B Gene, DNA, Protein C DNA, Genes, Protein O Type here to search DELL 立The contents of similar containers of sulfuric acid are 9.8, 10.2, 10.4, 9.8, 10.0, 10.2, and 9.6 liters. Find a 95% confidence interval for the mean of all such containers, assuming an approximate normal distribution. Use t = 2.447 9.74 10.26 9.74> μ μ> 10.26 O wwxx O xwww 9.74 <μ <-10.263. Identify the data set with the highest (a) precision and (b) accuracy. Data set Certified true Mean Standard Percent Error value deviation 1 0.500 0.444 0.041 2 1.00 1.33 0.253 50.00 45.20 0.041 100.0 99.1 3.22 23 3 4 CO