Part A What mass of KBr (in grams) should you use to make 100.0 mL of a 1.70 M solution of KBr? Express the mass to three significant figures and include the appropriate units. m = μÅ Value Units ?
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- Below are responses generated using the isolated guinea-pig ileum preparation to determine a pA₂ value for the cholinergic antagonist homatropine. Responses are expressed in millimetres +/- SDM (n = 4). Plot the data and then determine by Schild analysis the pA₂ value and Schild slope. So that's TWO drawn graphs to plot on LIN/LOG paper and submit..not EXCEL graphs please. What conclusions can you draw; does the experiment/data fulfil the criteria for a valid Schild analysis? Acetylcholine ACH Alone Concentration ACH + ACH + ACH + Homatropine Homatropine Homatropine 3 x 10-⁹M 1 x 10-M 3 x 10-M [Molar] 3 x 109 3 +/- 1 6 x 109 8 +/- 3 No response 3 x 10-8 28 +/- 6 10 +/- 4 No response 6 x 108 38 +/-8 21 +/-9 5+/-2 No response 3 x 10-7 55 +/- 5 43 +/- 7 27 +/-9 10 +/- 4 6 x 10-7 56 +/- 5 52 +/- 3 38 +/- 7 20 +/-7 3 x 10-6 55 +/-4 53 +/- 6 43 +/- 6 6 x 106 56 +/-2 54 +/- 5Com 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 cDetermination of ascorbic acid in vitamin C tablets: which analytical approach is better; volumetric or spectrophotometric analysis?1. Use the following Absorbance Data to generate a Bradford Assay Standard Curve. Protein Concentration Absorbance at 595nm (mg/mL) 0.05 Chart Title 0.0092 0.1 0.02 0.2 0.04 0.3 0.112 0.4 0.167 0.5 0.1980 0.6 0.2436 Absorbance at 595nm 0.3 4y = 0.4499x - 0.0254 R? = 0.9824 0.25 0.2 0.15 0.1 0.05 0.1 0.2 0,3 0.4 0,5 0.6 0.7DL IXL - Area and circur X E Hamilton w K Maya Paniagua - Sto x K Maya Paniagua - L10 X Stoichiometry Introd x amihq.com/web/viewer.html?state=%7B"ids"%3A%5B"1Jb_fUymErbX45jcXDbRuMhdNQC9zAIBE"%5D%2C*action"%3. Paniagua - Cl. 115% e A Kami Uploads Maya Paniagua - Stoichiometry WS1.pdf Chemistry Stoichiometry WS #1 Show all work!! No work = no credit! Per Date Name Mole to Mole Stoichiometry 1) For the reaction between magnesium fluoride and lead (IV) nitrate, there are 12 mol of magnesium fluoride available: a. Write and balance the chemical equation, indicate the type of reaction b. Find the mole amount of each species in the chemical reaction c. How many moles of the solid precipitate are formed?College of Teacher Bachelor of Secondary Education *promoting pedagogical excellence elor of Sec omoting pedage RIN ht: (a) (b) Br. C. CH3 b1. HNO3, H2SO4 2. Fe, H30*r H2/Pd s / oD Br NO2 (c) KMN04 7 (d) Cl CH3CH2CH2CI AICI3 H20 7. OCH3 4. Predict the major product(s) of the following reactions: OM (a) CI (b) CH CH CH3CH2C! AICI3 CH3CH2COCI AICI3 (c) CO2H HNO3 (d) N(CH2CH3)2 H2SO4 SO, H2SO4 ASITYHelp 100% 47 T. "ublic Health Ch HSC 258 - Major Projec x MindTap - Cengage Lea X C The Illustration To T =55750828934189288909969212&elSBN=9781305657571&id=D1061392007&nbld=21... * Q Search t Referonces Use the References to access important values if needed for this question. For the following reaction, 50.4 grams of sulfur dioxide are allowed to react with 17.9 grams of water. sulfur dioxide (g) + water (I) sulfurous acid (H2SO3) (g) grams What is the maximum amount of sulfurous acid (H,SO3) that can be formed? What is the FORMULA for the limiting reagent? grams What amount of the excess reagent remains after the reaction is complete? Submit AnswerO Copy of spread ofjsla X E The Spread of Islam M Inbox (904) - aarojame x A Classes oncourseconnect.com/assessment/1651879/5287e2a3-0d0b-e2c0-c15c-3e68a37149b4 D TPSS Bookmarks CHEMISTRY BENCHMARK TEST 01 CHEMISTRY I 12-7 (AARON JAMES ID 12390724) Use the reaction equation to answer the question. Zn + Pb(NO3)2 - Pb + Zn(NO3)2 The reaction shown took place when a student placed a piece of zinc (Zn) metal in a solution of lead nitrate (Pb(NO,)2). Which statement correctly describes the oxidation and reduction that occurred in the reaction? Zn was oxidized and Pb was reduced. DPb was oxidized and O was reduced. N was oxidized and Zn was reduced. OO was oxidized and N was reduced. A Save/Exit 24 25 26 27 28 29 30 31 32 33 https://www.oncourseconnect.com/assessment/1651879/5287e2a3-0dob-e2c0-c15c-3e68a37149b4#f. e. ? H ㅅㅅ Cu Li (H* workup) 1 EQ Br2 CH3CO2HThe following data was obtained when four bottles of wine, were analyzed for residual sugar content and the results obtained are the followingB Bottles % w/v Residual Sugar 1 0.97, 0.86, 1.02 2 1.25, 1.32, 1.13, 1.20, 1.12 3 0.9, 0.92, 0.73 0.72, 0.77, 0.61,0.58 a) For each set, determine the mean, spread, standard deviation s and coefficient of variation. b) Calculate the pooled standard deviation, spooled. 2.The pharmacist attempts to weigh 80mg of sodium carbonate on a balance having a sensitivity requirement of 4mg. Calculate the maximum potential error in terms of percentage.Sample IdentificationCodeConcentration of M%TA=2-log(%T)Q50004.00 x 10-417.90.75Q50013.20 x 10-425.00.6Q50022.40 x 10-435.70.46Q50031.60 x 10-450.20.3Q50048.000 x 10-570.80.15SampleIdentificationCode%TA=2-log(%T)AMQ0210150143.70.359518560.360.000192Q0210150244.10.355561410.360.00018Q0210150343.80.358525890.360.00017Q0210150444.10.355561410.360.00018Q0210150543.80.358525890.360.00017What was their percent error?43%Does Batch 021015 meet legal requirements?No, because it is not between 2.85 * 10(4) and 3.15 * 10(4)Well #DropsBluedye1234567891012345678910Drops 9Distilled water876543210Concne 0.26tration0.52Test Tube #0.781.041.3Solutions3Concentration (M)2.082.32.6Concentration (ppm)1:1 dilution11.82Starting Dilution21.562:1 dilution0A.Zero standard0Was your calibration curve as linear as you expected?B.Did you experience any “drift†of the resistance readings?C.What is the equation of your best-fit line?D.What commercial drink did you analyze?E.Assuming…SEE MORE QUESTIONS